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低压配电装置及线路设计规范GBJ 54-83

2008-9-5 10:28

<p><font face="Verdana">&nbsp; </p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; TEXT-ALIGN: center; mso-para-margin-bottom: .5gd" align="center"><b><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">低压配电装置及线路设计规范</span></b><b><span lang="EN-US" style="FONT-SIZE: 12pt"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></b></p>
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><b><span lang="EN-US">GBJ 54-83<o:p></o:p></span></b></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; TEXT-ALIGN: center; mso-para-margin-bottom: .5gd" align="center"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">主编部门:中华人民共和国机械工业部</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; TEXT-ALIGN: center; mso-para-margin-bottom: .5gd" align="center"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">批准部门:中华人民共和国国家计划委员会</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; TEXT-ALIGN: center; mso-para-margin-bottom: .5gd" align="center"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">试行日期:</span><?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="1" M="M"  year="1984"><span lang="EN-US">1984</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">年</span><span lang="EN-US">6</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">月</span><span lang="EN-US">1</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">日</span></st1:chsdate><span lang="EN-US" style="FONT-SIZE: 12pt"><o:p></o:p></span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span lang="EN-US"><o:p>&nbsp;</o:p></span></p>
<p class="MsoToc1" style="tab-stops: right="right"  dotted="dotted"  414.8pt"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><span class="MsoHyperlink"><span style="mso-no-proof: yes"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">第一章</span></span><span lang="EN-US"><span lang="EN-US"> </span></span><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">总</span></span><span lang="EN-US"><span lang="EN-US"> </span></span><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">则</span></span><span style="display: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"><span style="mso-tab-count: 1="1"  dotted">... </span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen">1</span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"></span></span></span><span style="mso-no-proof: yes"><o:p></o:p></span></span></p>
<p class="MsoToc1" style="tab-stops: right="right"  dotted="dotted"  414.8pt"><span class="MsoHyperlink"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">第二章</span></span><span lang="EN-US"><span lang="EN-US"> </span></span><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">电器和导体的选择</span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"><span style="mso-tab-count: 1="1"  dotted">... </span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen">1</span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"></span></span></span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><o:p></o:p></span></p>
<p class="MsoToc2" style="tab-stops: right="right"  dotted="dotted"  414.8pt"><span class="MsoHyperlink"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">第一节</span></span><span lang="EN-US"><span lang="EN-US"> </span></span><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">电器的选择</span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"><span style="mso-tab-count: 1="1"  dotted">... </span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen">1</span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"></span></span></span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><o:p></o:p></span></p>
<p class="MsoToc2" style="tab-stops: right="right"  dotted="dotted"  414.8pt"><span class="MsoHyperlink"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">第二节</span></span><span lang="EN-US"><span lang="EN-US"> </span></span><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">导体的选择</span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"><span style="mso-tab-count: 1="1"  dotted">... </span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen">2</span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"></span></span></span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><o:p></o:p></span></p>
<p class="MsoToc1" style="tab-stops: right="right"  dotted="dotted"  414.8pt"><span class="MsoHyperlink"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">第三章</span></span><span lang="EN-US"><span lang="EN-US"> </span></span><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">配电装置的布置</span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"><span style="mso-tab-count: 1="1"  dotted">... </span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen">3</span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"></span></span></span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><o:p></o:p></span></p>
<p class="MsoToc2" style="tab-stops: right="right"  dotted="dotted"  414.8pt"><span class="MsoHyperlink"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">第一节</span></span><span lang="EN-US"><span lang="EN-US"> </span></span><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">一般规<span lang="EN-US">定</span></span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"><span style="mso-tab-count: 1="1"  dotted">... </span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen">3</span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"></span></span></span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><o:p></o:p></span></p>
<p class="MsoToc2" style="tab-stops: right="right"  dotted="dotted"  414.8pt"><span class="MsoHyperlink"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">第二节</span></span><span lang="EN-US"><span lang="EN-US"> </span></span><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">对建筑物的要求</span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"><span style="mso-tab-count: 1="1"  dotted">... </span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen">4</span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"></span></span></span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><o:p></o:p></span></p>
<p class="MsoToc1" style="tab-stops: right="right"  dotted="dotted"  414.8pt"><span class="MsoHyperlink"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">第四章</span></span><span lang="EN-US"><span lang="EN-US"> </span></span><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">配电线路的保护</span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"><span style="mso-tab-count: 1="1"  dotted">... </span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen">4</span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"></span></span></span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><o:p></o:p></span></p>
<p class="MsoToc1" style="tab-stops: right="right"  dotted="dotted"  414.8pt"><span class="MsoHyperlink"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">第五章</span></span><span lang="EN-US"><span lang="EN-US"> </span></span><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">配电线路的敷设</span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"><span style="mso-tab-count: 1="1"  dotted">... </span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen">5</span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"></span></span></span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><o:p></o:p></span></p>
<p class="MsoToc2" style="tab-stops: right="right"  dotted="dotted"  414.8pt"><span class="MsoHyperlink"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">第一节</span></span><span lang="EN-US"><span lang="EN-US"> </span></span><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">绝缘导线布线</span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"><span style="mso-tab-count: 1="1"  dotted">... </span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen">5</span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"></span></span></span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><o:p></o:p></span></p>
<p class="MsoToc2" style="tab-stops: right="right"  dotted="dotted"  414.8pt"><span class="MsoHyperlink"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">第二节</span></span><span lang="EN-US"><span lang="EN-US"> </span></span><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">裸导体布线</span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"><span style="mso-tab-count: 1="1"  dotted">... </span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen">7</span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"></span></span></span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><o:p></o:p></span></p>
<p class="MsoToc2" style="tab-stops: right="right"  dotted="dotted"  414.8pt"><span class="MsoHyperlink"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">第三节</span></span><span lang="EN-US"><span lang="EN-US"> </span></span><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">插接式母线安装</span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"><span style="mso-tab-count: 1="1"  dotted">... </span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen">8</span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"></span></span></span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><o:p></o:p></span></p>
<p class="MsoToc2" style="tab-stops: right="right"  dotted="dotted"  414.8pt"><span class="MsoHyperlink"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">第四节</span></span><span lang="EN-US"><span lang="EN-US"> </span></span><span lang="EN-US" style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'"><span lang="EN-US">电缆敷设</span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"><span style="mso-tab-count: 1="1"  dotted">... </span></span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen">8</span><span style="DISPLAY: none; COLOR: windowtext; TEXT-DECORATION: none; text-underline: none; mso-hide: screen"></span></span></span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt; mso-no-proof: yes"><o:p></o:p></span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span lang="EN-US"><o:p>&nbsp;</o:p></span></p>
<h1 style="TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第一章</span> <span style="mso-bookmark: _Toc37126958"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">总</span> </span><span style="mso-bookmark: _Toc37126958"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">则</span></span></h1>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">1.0.1</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">低压配电装置及线路设计必须认真执行国家的技术经济政策,并应做到保障人身安全、供电可靠、电能质量合格、技术先进和经济合理。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">1.0.2</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">低压配电装置及线路的设计,应做到安装维护方便。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">1.0.3</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">低压配电装置及线路的设计,应节约有色金属,并应认真贯彻以铝代铜的技术政策。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">1.0.4</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">本规范适用于新建工程的</span><span lang="EN-US">1000</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">伏以下的配电装置及线路设计。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">1.0.5</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">低压配电装置及线路设计,尚应符合现行的有关国家标准和规范的规定。</span></p>
<h1 style="TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第二章</span> <span style="mso-bookmark: _Toc37126959"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">电器和导体的选择</span></span></h1>
<h2 style="MARGIN: 0cm="0cm"  0cm="0cm"  7.8pt; LINE-HEIGHT: normal; mso-para-margin-bottom: .5gd; mso-para-margin-top: 0cm; mso-para-margin-right: 0cm; mso-para-margin-left: 0cm"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 黑体; mso-ascii-font-family: Arial; mso-bidi-font-size: 16.0pt">第一节</span><span style="mso-bookmark: _Toc37126960"><span style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 16.0pt"> </span></span><span style="mso-bookmark: _Toc37126960"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 黑体; mso-ascii-font-family: Arial; mso-bidi-font-size: 16.0pt">电器的选择</span></span><span style="mso-bookmark: _Toc37126960"></span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 16.0pt"><o:p></o:p></span></h2>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">2.1.1</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">选择低压电器时,应符合下列要求:</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">一、符合工作电压、电流、频率、准确等级和使用环境的要求;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">二、配电电器应尽量满足在短路条件下的动稳定和热稳定;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">三、断开短路电流用的电器,应尽量满足在短路条件下的通断能力。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">2.1.2</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">验算电器在短路时的通断能力,应采用短路电流的周期分量有效值,并应考虑电动机的反馈影响。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">2.1.3</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">确定短路电流时所采用的计算接线方式,应为可能发生最大短路电流的正常接线方式。同时,可只计及高压系统阻抗、变压器阻抗和低压线路阻抗,且考虑短路时低压侧短路电流不衰减。</span></p>
<h2 style="MARGIN: 0cm="0cm"  0cm="0cm"  7.8pt; LINE-HEIGHT: normal; mso-para-margin-bottom: .5gd; mso-para-margin-top: 0cm; mso-para-margin-right: 0cm; mso-para-margin-left: 0cm"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 黑体; mso-ascii-font-family: Arial; mso-bidi-font-size: 16.0pt">第二节</span><span style="mso-bookmark: _Toc37126961"><span style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 16.0pt"> </span></span><span style="mso-bookmark: _Toc37126961"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 黑体; mso-ascii-font-family: Arial; mso-bidi-font-size: 16.0pt">导体的选择</span></span><span style="mso-bookmark: _Toc37126961"></span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 16.0pt"><o:p></o:p></span></h2>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">2.2.1</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">绝缘导体和电缆的型号,应按工作电压和使用环境等要求选择。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">2.2.2</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">选择导体截面时,应符合下列要求:</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">一、导体的允许载流量不应小于线路的负荷计算电流;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">二、从变压器低压侧母线至用电设备受电端的线路电压损失,一般不超过用电设备额定电压的</span><span lang="EN-US">5%</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">三、绝缘导线线芯的最小截面,应符合本规范第</span><span lang="EN-US">2.2.7</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条的规定。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">2.2.3</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">三相四线制中零线的允许载流量不应小于线路中最大的不平衡负荷电流,同时还应符合本规范第</span><span lang="EN-US">4.0.3</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">、</span><span lang="EN-US">4.0.4</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条的规定。用于接零保护的零线,其电导不应小于该线路中相线电导的</span><span lang="EN-US">50%</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">2.2.4</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">导体的允许载流量,应根据敷设处的环境温度进行校正。温度校正系数应按下式确定:</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span><span style="POSITION: relative; TOP: 16pt; mso-text-raise: -16.0pt"><?xml:namespace prefix = v ns = "urn:schemas-microsoft-com:vml" /><v:shapetype id="_x0000_t75" stroked="f" filLED="f" path="m@4@5l@4@11@9@11@9@5xe" o:preferrelative="t" o:spt="75" coordsize="21600,21600"><v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn="lineDrawn"  pixelLineWidth="pixelLineWidth"  0"></v:f><v:f eqn="sum @0 1="1"  0"></v:f><v:f eqn="sum 0="0"  0="0"  @1"></v:f><v:f eqn="prod @2 1="1"  2"></v:f><v:f eqn="prod @3 21600="21600"  pixelWidth"></v:f><v:f eqn="prod @3 21600="21600"  pixelHeight"></v:f><v:f eqn="sum @0 0="0"  1"></v:f><v:f eqn="prod @6 1="1"  2"></v:f><v:f eqn="prod @7 21600="21600"  pixelWidth"></v:f><v:f eqn="sum @8 21600="21600"  0"></v:f><v:f eqn="prod @7 21600="21600"  pixelHeight"></v:f><v:f eqn="sum @10 21600="21600"  0"></v:f></v:formulas><v:path o:c gradientshapeok="t" o:extrusi></v:path><o:lock aspectratio="t" v:ext="edit"></o:lock></v:shapetype><v:shape id="_x0000_i1025" style="WIDTH: 65.25pt; 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TOP: 5pt; mso-text-raise: -5.0pt"><v:shape id="_x0000_i1027" style="WIDTH: 9.75pt; HEIGHT: 17.25pt" o:ole="" type="#_x0000_t75"><v:imagedata o:title="" src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image005.wmz"></v:imagedata></v:shape></span>---</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">导体最高工作温度</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">℃</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="POSITION: relative; TOP: 6pt; mso-text-raise: -6.0pt"><v:shape id="_x0000_i1028" style="WIDTH: 11.25pt; HEIGHT: 18pt" o:ole="" type="#_x0000_t75"><v:imagedata o:title="" src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image007.wmz"></v:imagedata></v:shape></span>---</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">敷设处的实际环境温度</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">℃</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="POSITION: relative; TOP: 5pt; mso-text-raise: -5.0pt"><v:shape id="_x0000_i1029" style="WIDTH: 11.25pt; HEIGHT: 17.25pt" o:ole="" type="#_x0000_t75"><v:imagedata o:title="" src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image009.wmz"></v:imagedata></v:shape></span>---</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">载流量数据中采用的环境温度</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">℃</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">此外,还应根据导体并列敷设根数进行校正。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">2.2.5</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">导体敷设处的环境温度,应采用下列温度值:</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">一、直接敷设在土壤中的电缆,采用敷设处历年最热月的月平均温度;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">二、敷设在空气中的裸导线,屋外采用敷设地区最热月的平均最高温度;屋内采用敷设地点最热月的平均最高温度</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">均取十年或以上的总平均值</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">2.2.6</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">沿不同冷却条件的路径敷设绝缘导线和电缆时,如冷却条件最坏段的长度超过</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="5" unitname="米"><span lang="EN-US">5</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">穿过道路时可为</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="10" unitname="米"><span lang="EN-US">10</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">,则应按该段条件选择绝缘导线和电缆的截面。但也可只对该段采用大截面的绝缘导线和电缆。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">2.2.7</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">根据机械强度的要求,绝缘导线线芯的截面不应小于表</span><span lang="EN-US">2.2.7</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">所列数值。</span></p>
<p class="MsoNormal"><i><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">表</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">2.2.7</span></st1:chsdate><span lang="EN-US"> </span></i><i><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">绝缘导线线芯的最小截面</span><span lang="EN-US"><o:p></o:p></span></i></p>
<p>
<table class="MsoNormalTable" style="BORDER-RIGHT: medium="medium"  none; BORDER-TOP: medium="medium"  none; BORDER-LEFT: medium="medium"  none; BORDER-BOTTOM: medium="medium"  none; BORDER-COLLAPSE: collapse; mso-padding-alt: 0cm="0cm"  5.4pt 0cm="0cm"  5.4pt; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-insideh: .5pt solid="solid"  windowtext; mso-border-insidev: .5pt solid="solid"  windowtext" cellspacing="0" cellpadding="0" border="1">
<tbody>
<tr style="page-break-inside: avoid">
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext="windowtext"  1pt="1pt"  solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext="windowtext"  1pt="1pt"  solid; WIDTH: 41.4pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt" width="55" rowspan="2">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">序号</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><o:p></o:p></span></p></td>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext="windowtext"  1pt="1pt"  solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 189pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt" width="252" rowspan="2">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">用途</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><o:p></o:p></span></p></td>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext="windowtext"  1pt="1pt"  solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 195.7pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt" width="261" colspan="3">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">线芯的最小截面(</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt">mm<sup>2</sup></span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">)</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><o:p></o:p></span></p></td></tr>
<tr style="page-break-inside: avoid">
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 65.2pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="87">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">铜芯软线</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><o:p></o:p></span></p></td>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 65.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="87">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">铜线</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><o:p></o:p></span></p></td>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 65.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="87">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">铝线</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><o:p></o:p></span></p></td></tr>
<tr>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext="windowtext"  1pt="1pt"  solid; WIDTH: 41.4pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="55">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><br/>1<br/>2<br/>3<o:p></o:p></span></p></td>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 189pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="252">
<p class="MsoNormal"><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">一、照明用灯头引下线:</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">民用建筑,屋内</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">工业建筑,屋内</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">屋外</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><o:p></o:p></span></p></td>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 65.2pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="87">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><br/>0.4<br/>0.5<br/>1.0<o:p></o:p></span></p></td>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 65.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="87">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><br/>0.5<br/>0.8<br/>1.0<o:p></o:p></span></p></td>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 65.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="87">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><br/>1.5<br/>2.5<br/>2.5<o:p></o:p></span></p></td></tr>
<tr>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext="windowtext"  1pt="1pt"  solid; WIDTH: 41.4pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="55">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><br/>4<br/>5<o:p></o:p></span></p></td>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 189pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="252">
<p class="MsoNormal"><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">二、移动式用电设备:</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">生活用</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">生产用</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><o:p></o:p></span></p></td>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 65.2pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="87">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><br/>0.2<br/>1.0<o:p></o:p></span></p></td>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 65.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="87">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><o:p>&nbsp;</o:p></span></p></td>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 65.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="87">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><o:p>&nbsp;</o:p></span></p></td></tr>
<tr>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext="windowtext"  1pt="1pt"  solid; WIDTH: 41.4pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="55">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><br/>6<br/>7<br/>8<br/>9<br/>10<br/>11<o:p></o:p></span></p></td>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 189pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="252">
<p class="MsoNormal"><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">三、架设在绝缘支撑上的绝缘导线:</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">支撑点间距</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="1" unitname="米"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt">1</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">米</span></st1:chmetcnv><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">以下屋内</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">支撑点间距</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="1" unitname="米"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt">1</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">米</span></st1:chmetcnv><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">以下屋外</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">支撑点间距</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="2" unitname="米"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt">2</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">米</span></st1:chmetcnv><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">及以下屋内</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">支撑点间距</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="2" unitname="米"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt">2</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">米</span></st1:chmetcnv><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">及以下屋外</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">支撑点间距</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="6" unitname="米"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt">6</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">米</span></st1:chmetcnv><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">及以下</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">支撑点间距</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="12" unitname="米"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt">12</span><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">米</span></st1:chmetcnv><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">及以下</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><o:p></o:p></span></p></td>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 65.2pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="87">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><o:p>&nbsp;</o:p></span></p></td>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 65.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="87">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><br/>1.0<br/>1.5<br/>1.0<br/>1.5<br/>2.5<br/>2.5<o:p></o:p></span></p></td>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 65.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="87">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><br/>1.5<br/>2.5<br/>2.5<br/>2.5<br/>4.0<br/>6.0<o:p></o:p></span></p></td></tr>
<tr style="mso-yfti-lastrow: yes">
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext="windowtext"  1pt="1pt"  solid; WIDTH: 41.4pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="55">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt">12<o:p></o:p></span></p></td>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 189pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="252">
<p class="MsoNormal"><span style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'; mso-bidi-font-size: 12.0pt">四、穿管敷设的绝缘导线</span><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt"><o:p></o:p></span></p></td>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 65.2pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="87">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt">1.0<o:p></o:p></span></p></td>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 65.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="87">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt">1.0<o:p></o:p></span></p></td>
<td style="BORDER-RIGHT: windowtext="windowtext"  1pt="1pt"  solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: medium="medium"  none; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: medium="medium"  none; WIDTH: 65.25pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext="windowtext"  1pt="1pt"  solid; mso-border-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-left-alt: solid="solid"  windowtext="windowtext"  .5pt; mso-border-top-alt: solid="solid"  windowtext="windowtext"  .5pt" width="87">
<p class="MsoNormal" style="TEXT-ALIGN: center" align="center"><span lang="EN-US" style="FONT-SIZE: 9pt; mso-bidi-font-size: 12.0pt">2.5<o:p></o:p></span></p></td></tr></tbody></table></p>
<p class="MsoBodyTextIndent"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">注:工业和民用建筑的屋内照明灯具,如采用吊链或吊管悬挂,其灯头引下线为铜芯软线时,可适当减小截面。</span></p>
<h1 style="TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第三章</span> <span style="mso-bookmark: _Toc37126962"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">配电装置的布置</span></span></h1>
<h2 style="MARGIN: 0cm="0cm"  0cm="0cm"  7.8pt; LINE-HEIGHT: normal; mso-para-margin-bottom: .5gd; mso-para-margin-top: 0cm; mso-para-margin-right: 0cm; mso-para-margin-left: 0cm"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 黑体; mso-ascii-font-family: Arial; mso-bidi-font-size: 16.0pt">第一节</span><span style="mso-bookmark: _Toc37126963"><span style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 16.0pt"> </span></span><span style="mso-bookmark: _Toc37126963"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 黑体; mso-ascii-font-family: Arial; mso-bidi-font-size: 16.0pt">一般规定</span></span><span style="mso-bookmark: _Toc37126963"></span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 16.0pt"><o:p></o:p></span></h2>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">3.1.1</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">配电装置正常不带电的金属部分,必须与接地装置具有可靠的电气连接。成列的配电屏应在两端与接地线或零线连接。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">3.1.2</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">配电装置室内,不应通过与配电装置无关的管道。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">3.1.3</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">安装落地式电力配电箱时,宜使其底部高出地面。当安装在屋外时,应高出地面</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".2" unitname="米"><span lang="EN-US">0.2</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">以上。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">3.1.4</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">当高压及低压配电装置装设在同一房间时,应符合《工业与民用</span><span lang="EN-US">10</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">千伏及以下变电所设计规范》的有关规定。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">3.1.5</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">配电装置室内通道的宽度,一般不小于下列数值:</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">一、当配电屏为单列布置时,屏前通道为</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="1.5" unitname="米"><span lang="EN-US">1.5</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">二、当配电屏为双列布置时,屏前通道为</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="2" unitname="米"><span lang="EN-US">2</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">三、屏后通道为</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="1" unitname="米"><span lang="EN-US">1</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">,有困难时,可减小为</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".8" unitname="米"><span lang="EN-US">0.8</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">3.1.6</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">配电装置室内裸导电部分与各部分的净距,应符合下列要求:</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">一、屏后通道内,裸导电部分的高度低于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="2.3" unitname="米"><span lang="EN-US">2.3</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">时,应加遮护,遮护后通道高度不应低于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="1.9" unitname="米"><span lang="EN-US">1.9</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">;遮护后的通道宽度应符合本规范第</span><span lang="EN-US">3.1.5</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条的要求。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">二、跨越屏前通道的裸导电部分,其高度不应低于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="2.5" unitname="米"><span lang="EN-US">2.5</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">3.1.7</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">配电装置的长度大于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="6" unitname="米"><span lang="EN-US">6</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">时,其屏后应设两个通向本室或其它房间的出口,如两个出口间的距离超过</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="15" unitname="米"><span lang="EN-US">15</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">时尚应增加出口。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">由同一配电装置室供给一级负荷电时,母线分段处应有防火隔板或隔墙,供给一级负荷电的电缆不应通过同一电缆沟。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">3.1.8</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">当裸导电部分用遮栏遮护时,遮栏与裸导电部分的净距应符合下列要求:</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">一、用网眼不大于</span><span lang="EN-US">20</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">×</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="20" unitname="毫米"><span lang="EN-US">20</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">毫米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">的遮栏遮护时,不应小于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="100" unitname="毫米"><span lang="EN-US">100</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">毫米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">二、用板状遮栏遮护时,不应小于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="50" unitname="毫米"><span lang="EN-US">50</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">毫米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">3.1.9</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">安装在生产车间或公共场所内的配电装置,宜采用保护式配电装置。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">当配电装置为开启式,且其未遮护裸导电部分的高度低于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="2.3" unitname="米"><span lang="EN-US">2.3</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">时,则应设置围栏。围栏至裸导电部分的净距不应小于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".8" unitname="米"><span lang="EN-US">0.8</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">,围栏高度不应低于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="1.2" unitname="米"><span lang="EN-US">1.2</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。围栏内配电装置的屏前、屏后通道应符合本规范第</span><span lang="EN-US">3.1.5</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条的规定。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">注:围栏系指栅栏,网状遮栏或板状遮栏。</span></p>
<h2 style="MARGIN: 0cm="0cm"  0cm="0cm"  7.8pt; LINE-HEIGHT: normal; mso-para-margin-bottom: .5gd; mso-para-margin-top: 0cm; mso-para-margin-right: 0cm; mso-para-margin-left: 0cm"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 黑体; mso-ascii-font-family: Arial; mso-bidi-font-size: 16.0pt">第二节</span><span style="mso-bookmark: _Toc37126964"><span style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 16.0pt"> </span></span><span style="mso-bookmark: _Toc37126964"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 黑体; mso-ascii-font-family: Arial; mso-bidi-font-size: 16.0pt">对建筑物的要求</span></span><span style="mso-bookmark: _Toc37126964"></span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 16.0pt"><o:p></o:p></span></h2>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">3.2.1</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">配电装置室的耐火等级不应低于三级。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">3.2.2</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">长度为</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="8" unitname="米"><span lang="EN-US">8</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">以上的配电装置室,应设两个出口,并应尽量布置在配电装置室的两端。当楼上、楼下均为配电装置室时,位于楼上的配电装置室至少应设一个出口通向室外。除通往高压电气设备的房间外,门应向外开。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">3.2.3</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">配电装置室的天棚应刷白,墙面宜抹灰刷白。地面一般采用水泥抹面并压光。电缆沟应采取防水措施。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">3.2.4</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">有人值班的配电装置室,应尽量采用自然采光。寒冷地区应设采暖装置,在炎热地区并应采取隔热等措施。</span></p>
<h1 style="TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第四章</span> <span style="mso-bookmark: _Toc37126965"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">配电线路的保护</span></span></h1>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">4.0.1</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">配电线路应装设短路保护。配电系统的各级保护之间宜有选择性地配合。当不能符合此要求时,应尽量使低压侧第一级保护有选择性动作。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">4.0.2</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">熔断器的熔体额定电流或自动开关过电流脱扣器的整定电流,应尽量接近但不小于被保护线路的负荷计算电流,同时应保证在出现正常的短时过负荷时</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">如线路中电动机的起动或自起动等</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">,保护装置不致将被保护线路断开。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">4.0.3</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">配电线路采用熔断器作短路保护时,熔体或导体截面的选择应符合下列规定:</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">一、熔断器熔体的额定电流,不应大于电缆或穿管绝缘导线允许载流量的</span><span lang="EN-US">2.5</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">倍,或明敷绝缘导线允许载流量的</span><span lang="EN-US">1.5</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">倍。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">二、在被保护线路的末端发生下列短路时,其短路电流值不应小于熔断器熔体额定电流的</span><span lang="EN-US">4</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">倍。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span>1. </span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">中性点直接接地网络中的单相接地短路;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp;</span><span style="mso-spacerun: yes">&nbsp;&nbsp; </span>2. </span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">中性点不接地网络中的两相短路。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">4.0.4</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">配电线路采用自动开关作短路保护时,整定电流应符合下列要求:</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">一、当采用只带瞬时或短延时过电流脱扣器的自动开关时,脱扣器的整定电流,应躲过短时过负荷电流,整定电流与导体允许载流量的比例不作规定。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">二、当采用带有长延时过电流脱扣器和瞬时或短延时过电流脱扣器的自动开关时,其长延时过电流脱扣器的整定电流,应根据返回电流以值的要求,一般不大于绝缘导线或电缆允许载流量的</span><span lang="EN-US">1.1</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">倍,其动作时间应躲过短时过负荷电流的持续时间。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">三、在被保护线路的末端发生下列短路时,其短路电流不应小于自动开关瞬时或短延时过电流脱扣器整定电流的</span><span lang="EN-US">1.5</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">倍。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span>1. </span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">中性点直接接地网络中的单相接地短路;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span>2. </span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">中性点不接地网络中的两相短路。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">4.0.5</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">用自动开关保护的线路,当末端单相短路电流难以达到本规范第</span><span lang="EN-US">4.0.4</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条要求时,可采用零序保护或采用带有长延时过电流脱扣器的自动开关。如选用长延时过电流脱扣器时,在短路电流作用下其动作时间不应大于</span><span lang="EN-US">15</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">秒。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">4.0.6</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">下列线路应装设过负荷保护:</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">一、居住建筑、重要的仓库以及公共建筑中的照明线路;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">二、有可能长时间过负荷的电力线路</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">不包括裸导体</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">三、在燃烧体或难燃烧体的建筑物结构上,采用有延燃性外层的绝缘导线的明敷线路。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">4.0.7</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">装设过负荷保护的配电线路,其绝缘导线、电缆的允许载流量,不应小于熔断器熔体额定电流的</span><span lang="EN-US">1.25</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">倍或自动开关长延时过电流脱扣器整定电流的</span><span lang="EN-US">1.25</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">倍。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">4.0.8</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">在配电线路的导体截面减小处、配电线路分支处或保护须有选择性的地方,均应装设保护电器。但符合本规范第</span><span lang="EN-US">4.0.9</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条规定者除外。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span><span style="mso-spacerun: yes">&nbsp;&nbsp;</span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">保护电器应装设在被保护线路与电源线路的连接处。有困难时,可装设在距离连接点</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="3" unitname="米"><span lang="EN-US">3</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">以内便于操作和维护的地方。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">当从高处的干线向下引接分支线路时,可将保护电器装设在距离分支点</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="30" unitname="米"><span lang="EN-US">30</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">以内便于操作和维护的地方。但应保证在该段分支线末端发生单相</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">或两相</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">短路时,离短路点最近的保护电器能够动作,且该段分支线应有不延然性外层或穿管敷设。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">4.0.9</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">下列情况的配电线路中,在导体截面减小处或配电线路分支处可不装设保护电器:</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">一、上一段线路的保护电器已能保护截面减小的那一段线路或分支线;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">二、采用</span><span lang="EN-US">20</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">安及以下的保护电器所保护的线路;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">三、配电装置内部从母线上接到保护电器的分支线;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">四、室外架空配电线路。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">4.0.10</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">用熔断器保护配电线路时,熔断器应装设在不接地的各相或各极上。用于接零保护的零线上不应装设熔断器。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">4.0.11</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">用自动开关保护配电线路时,其过电流脱扣器应装设在不接地的各相或各极上。中性点不接地网络的配电线路中,可在三相三线制的二相上装设过电流脱扣器。在直流两线制中,可在一极上装设过电流脱扣器。此时,由同一电源供电的配电线路中,过电流脱扣器应装设在相同的相或极上。</span></p>
<h1 style="TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第五章</span> <span style="mso-bookmark: _Toc37126966"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">配电线路的敷设</span></span></h1>
<h2 style="MARGIN: 0cm="0cm"  0cm="0cm"  7.8pt; LINE-HEIGHT: normal; mso-para-margin-bottom: .5gd; mso-para-margin-top: 0cm; mso-para-margin-right: 0cm; mso-para-margin-left: 0cm"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 黑体; mso-ascii-font-family: Arial; mso-bidi-font-size: 16.0pt">第一节</span><span style="mso-bookmark: _Toc37126967"><span style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 16.0pt"> </span></span><span style="mso-bookmark: _Toc37126967"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 黑体; mso-ascii-font-family: Arial; mso-bidi-font-size: 16.0pt">绝缘导线布线</span></span><span style="mso-bookmark: _Toc37126967"></span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 16.0pt"><o:p></o:p></span></h2>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.1.1</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">直敷布线一般适用于正常环境的屋内场所。直敷布线宜采用护套绝缘导线,其截面不宜大于</span><span lang="EN-US">10</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">平方毫米,布线的固定点间距,不应大于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="200" unitname="毫米"><span lang="EN-US">200</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">毫米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.1.2</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">瓷</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">塑料</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">夹布线一般适用于正常环境的屋内场所和挑檐下的屋外场所。鼓形绝缘子、针式绝缘子布线一般适用于屋内、外场所。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.1.3</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">采用瓷</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">塑料</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">夹,鼓形绝缘子、针式绝缘子在屋内外布线时,绝缘导线至地面的距离,不应小于表</span><span lang="EN-US">5.1.3</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">所列数值。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span lang="EN-US" style="FONT-SIZE: 13.5pt"></span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.1.4</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条采用鼓形绝缘子、针式绝缘子在屋内外布线时,绝缘导线的间距,不应小于表</span><span lang="EN-US">5.1.4</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">所列数值。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span lang="EN-US" style="FONT-SIZE: 13.5pt"></span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.1.5</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">绝缘导线明敷在高温辐射或对绝缘导线有腐蚀的场所时,导线线间及导线至建筑物表面最小间距,不应小于本规范第</span><span lang="EN-US">5.2.4</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条表</span><span lang="EN-US">5.2.4</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">所列数值。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.1.6</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">屋外布线的绝缘导线至建筑物的间距</span><span lang="EN-US">,</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">不应小于表</span><span lang="EN-US">5.1.6</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">所列数值。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span lang="EN-US" style="FONT-SIZE: 13.5pt"></span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.1.7</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">金属管布线一般适用于屋内、外场所,但对金属管有严重腐蚀的场所不宜采用。在建筑物的顶棚内,宜采用金属管布线。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.1.8</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">明敷于潮湿场所或埋地敷设的金属管布线,应采用水、煤气钢管。明敷或暗敷于干燥场所的金属管布线、车间地坪内金属管布线,可采用电线钢管。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.1.9</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">电线管路与热水管、蒸汽管同侧敷设时,应敷设在热水管、蒸汽管的下面,有困难时,可敷设在其上面,相互间的净距一般不小于下列数值:</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">一、当管路敷设在热水管下面时为</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".2" unitname="米"><span lang="EN-US">0.2</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">,上面时为</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".3" unitname="米"><span lang="EN-US">0.3</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">二、当管路敷设在蒸汽管下面时为</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".5" unitname="米"><span lang="EN-US">0.5</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">,上面时为</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="1" unitname="米"><span lang="EN-US">1</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span><span style="mso-spacerun: yes">&nbsp;&nbsp;</span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">当不能符合上述要求时,应采取隔热措施。对有保温措施的蒸汽管。上下净距均可减至</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".2" unitname="米"><span lang="EN-US">0.2</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">电线管路与其它管道</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">不包括可燃气体及易燃、可燃液体管道</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">的平行净距不应小于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".1" unitname="米"><span lang="EN-US">0.1</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。当与水管同侧敷设时,宜敷设在水管的上面。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.1.10</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">硬质塑料管布线一般适用于屋内场所、有酸碱腐蚀介质的场所,但在易受机械损伤的场所,不宜采用。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.1.11</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">硬质塑料管暗敷或埋地敷设时,引出地</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">楼</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">面的一段管路,应采取防止机械损伤的措施。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.1.12</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">金属管布线和硬质塑料管布线的管路较长或有弯时,宜适当加装拉线盒,使两个拉线点之间的距离符合以下要求:</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">一、对无弯管路,不超过</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="45" unitname="米"><span lang="EN-US">45</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">二、两个拉线点之间有一个弯时,不超过</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="30" unitname="米"><span lang="EN-US">30</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">三、两个拉线点之间有两个弯时,不超过</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="20" unitname="米"><span lang="EN-US">20</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">四、两个拉线点之间有三个弯时,不超过</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="12" unitname="米"><span lang="EN-US">12</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.1.13</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">穿管敷设的绝缘导线和电缆,其电压等级不应低于交流</span><span lang="EN-US">500</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">伏。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.1.14</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">穿管绝缘导线</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">两根除外</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">或电缆的总截面积</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">包括外护层</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">不应超过管内截面积的</span><span lang="EN-US">40%</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.1.15</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">穿金属管的交流线路,当负荷电流大于</span><span lang="EN-US">25</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">安时,为避免涡流效应,应将同一回路的所有绝缘导线穿于同一根金属管内。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.1.16</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">不同回路的线路不应穿于同一根管内,但下列情况可除外:</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">一、电压为</span><span lang="EN-US">65</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">伏及以下的回路;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">二、同一设备或同一流水作业线设备的电力线路和无防干扰要求的控制回路;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">三、照明花灯的所有回路;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">四、同类照明的几个回路,但管内绝缘导线总数不多于</span><span lang="EN-US">8</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">根。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.1.17</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">钢索布线一般适用于屋内、内外场所,在对钢索有腐蚀的场所,应采取防腐蚀措施。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.1.18</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">钢索布线应符合下列要求:</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">一、屋内的钢索布线,用绝缘导线明敷时,应采用瓷</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">塑料</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">夹或鼓形绝缘子,针式绝缘子固定:用护套绝缘导线、电缆、金属管或硬质塑料管布线时,可直接固定于钢索上。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">二、屋外的钢索布线,用绝缘导线明敷时,应采用鼓形绝缘子或针绝缘子固定:用电缆、金属管或硬塑料管布线时,可直接固定于钢索上。</span></p>
<h2 style="MARGIN: 0cm="0cm"  0cm="0cm"  7.8pt; LINE-HEIGHT: normal; mso-para-margin-bottom: .5gd; mso-para-margin-top: 0cm; mso-para-margin-right: 0cm; mso-para-margin-left: 0cm"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 黑体; mso-ascii-font-family: Arial; mso-bidi-font-size: 16.0pt">第二节</span><span style="mso-bookmark: _Toc37126968"><span style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 16.0pt"> </span></span><span style="mso-bookmark: _Toc37126968"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 黑体; mso-ascii-font-family: Arial; mso-bidi-font-size: 16.0pt">裸导体布线</span></span><span style="mso-bookmark: _Toc37126968"></span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 16.0pt"><o:p></o:p></span></h2>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.2.1</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">裸导体布线一般适用于工业企业厂房内。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.2.2</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">无遮护的裸导体至地面的距离,不应小于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="3.5" unitname="米"><span lang="EN-US">3.5</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">;采用网孔遮栏时,不应小于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="2.5" unitname="米"><span lang="EN-US">2.5</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。遮栏与裸导体的间距,应采用本规范第</span><span lang="EN-US">3.1.8</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条所规定的数值。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.2.3</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">裸导体与需经常维护的管道同侧敷设时,裸导体应敷设在管道的上面。裸导体与需经常维护的管道</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">不包括可燃气体及易燃、可燃液体管道</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">净距不应小于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="1" unitname="米"><span lang="EN-US">1</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">,与生产设备净距不应小于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="1.5" unitname="米"><span lang="EN-US">1.5</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。如不能符合上述要求,应加遮栏。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.2.4</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">裸导体的级间及裸导体至建筑物表面的净距</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">不包括固定点</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">,不应小于表</span><span lang="EN-US">5.2.4</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">所列数值。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">硬导体固定点的间距,应符合在通过最大短路电流时的动稳定要求。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span lang="EN-US" style="FONT-SIZE: 13.5pt"></span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.2.5</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">起重机上方的裸导体至起重机铺板的净距不应小于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="2.2" unitname="米"><span lang="EN-US">2.2</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。否则在起重机上或裸导体下方应装设遮栏。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">除滑触线本身的辅助导线外,裸导体不宜与起重机滑触线敷设在同一支架上。</span></p>
<h2 style="MARGIN: 0cm="0cm"  0cm="0cm"  7.8pt; LINE-HEIGHT: normal; mso-para-margin-bottom: .5gd; mso-para-margin-top: 0cm; mso-para-margin-right: 0cm; mso-para-margin-left: 0cm"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 黑体; mso-ascii-font-family: Arial; mso-bidi-font-size: 16.0pt">第三节</span><span style="mso-bookmark: _Toc37126969"><span style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 16.0pt"> </span></span><span style="mso-bookmark: _Toc37126969"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 黑体; mso-ascii-font-family: Arial; mso-bidi-font-size: 16.0pt">插接式母线安装</span></span><span style="mso-bookmark: _Toc37126969"></span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 16.0pt"><o:p></o:p></span></h2>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.3.1</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">插接式母线一般适用于干燥、无腐蚀气体的屋内场所。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.3.2</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">插接式母线至地面的距离不应小于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="2.2" unitname="米"><span lang="EN-US">2.2</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。插接式母线终端无引出、引入线时,端头应封闭。</span></p>
<h2 style="MARGIN: 0cm="0cm"  0cm="0cm"  7.8pt; LINE-HEIGHT: normal; mso-para-margin-bottom: .5gd; mso-para-margin-top: 0cm; mso-para-margin-right: 0cm; mso-para-margin-left: 0cm"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 黑体; mso-ascii-font-family: Arial; mso-bidi-font-size: 16.0pt">第四节</span><span style="mso-bookmark: _Toc37126970"><span style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 16.0pt"> </span></span><span style="mso-bookmark: _Toc37126970"><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 黑体; mso-ascii-font-family: Arial; mso-bidi-font-size: 16.0pt">电缆敷设</span></span><span style="mso-bookmark: _Toc37126970"></span><span lang="EN-US" style="FONT-SIZE: 10.5pt; mso-bidi-font-size: 16.0pt"><o:p></o:p></span></h2>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.4.1</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">电缆在屋内敷设时,应尽量明敷。电缆穿墙或穿楼板时,应穿管或采取其它保护措施。电缆在室内埋地敷设时应穿管,管内径不应小于电缆外径的</span><span lang="EN-US">1.5</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">倍。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.4.2</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">无铠装的电缆在室内明敷时,水平敷设至地面的距离不应小于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="2.5" unitname="米"><span lang="EN-US">2.5</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">;垂直敷设不应小于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="1.8" unitname="米"><span lang="EN-US">1.8</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">;否则应有防止机械损伤的措施。但明敷在电气专用房间</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">如配电室、电机房等</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">内时除外。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.4.3</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">电缆支架间或固定点间的间距,不应大于表</span><span lang="EN-US">5.4.3</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">所列数值。</span><span lang="EN-US"><br/></span><span lang="EN-US" style="FONT-SIZE: 13.5pt"></span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.4.4</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">电缆水平悬挂在钢索上时,电力电缆固定点间的最大间距应为</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".75" unitname="米"><span lang="EN-US">0.75</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">;控制电缆固定点间的最大间距应为</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".6" unitname="米"><span lang="EN-US">0.6</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.4.5</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">相同电压的电缆并列明敷时,电缆间的净距不应小于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="35" unitname="毫米"><span lang="EN-US">35</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">毫米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">,但在线槽内敷设时除外。</span><span lang="EN-US">1000</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">伏以下电力及控制电缆与</span><span lang="EN-US">1000</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">伏及以上电力电缆一般分开敷设。当并列明敷时,其净距不应小于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="150" unitname="毫米"><span lang="EN-US">150</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">毫米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.4.6</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">架空明敷电缆与热力管道的净距不应小于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="1" unitname="米"><span lang="EN-US">1</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">,否则应采取隔热措施。电缆与非热力管道的净距不应小于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".5" unitname="米"><span lang="EN-US">0.5</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">,否则应在与管道接近的电缆段上,以及由该段两端向外延伸</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".5" unitname="米"><span lang="EN-US">0.5</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">处采取防止机械损伤的措施。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.4.7</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">电缆在电缆沟、遂道内敷设时应符合下列要求:</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">一、电缆在电缆沟内,隧道内敷设时,不应有黄麻或其他可延燃的外被层。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">二、在支架上敷设时,电力电缆应放在控制电缆的上层,但</span><span lang="EN-US">1000</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">伏以下的电力电缆和控制电缆可并列敷设。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">三、在电缆沟、隧道内,当两侧均有电缆支架时,</span><span lang="EN-US">1000</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">伏以下的电力电缆和控制电缆应尽量与</span><span lang="EN-US">1000</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">伏及以上的电力电缆分别敷设于不同支架上。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">四、电缆隧道的高度一般为</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="1.9" unitname="米"><span lang="EN-US">1.9</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">;有困难时,在局部地段可适当降低。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">五、电缆支架的长度,在电缆沟内不应大于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="350" unitname="毫米"><span lang="EN-US">350</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">毫米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">;在隧道内不应大于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="500" unitname="毫米"><span lang="EN-US">500</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">毫米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">六、电缆在电缆沟、隧道内敷设时的净距,不应小于表</span><span lang="EN-US">5.4.7</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">所列数值。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.4.8</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">在有可燃气体或易燃、可燃液体管道的隧道或沟道内不应敷设电缆。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.4.9</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">在有可能流入熔化金属液体或有损害电缆外护层和护套的物质的地段,不应设置电缆沟和人孔。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.4.10</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">电缆隧道长度大于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="7" unitname="米"><span lang="EN-US">7</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">时,两端应设有出口</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">包括人孔</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">如两个出口间的距离超过</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="75" unitname="米"><span lang="EN-US">75</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">时尚应增加出口,人孔的直径不应小于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".7" unitname="米"><span lang="EN-US">0.7</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.4.11</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">电缆隧道和电缆沟应设置防水、排水设施。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.4.12</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">电缆隧道内应设照明,其电压不宜超过</span><span lang="EN-US">36</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">伏。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.4.13</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">电缆在屋外直接埋地敷设的深度不应小于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".7" unitname="米"><span lang="EN-US">0.7</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">,电缆在屋外直接埋地敷设,在电缆上应铺砖或类似的保护层。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span lang="EN-US" style="FONT-SIZE: 13.5pt"></span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.4.14</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">直接埋地敷设时,电缆与各种设施平行或交叉的净距,不应小于表</span><span lang="EN-US">5.4.14</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">所列数值。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.4.15</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">电缆在屋外明敷时,应尽量避免日光直晒。</span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">第</span><st1:chsdate w:st="on" isrocdate="False" islunardate="False" day="30" M="M"  year="1899"><span lang="EN-US">5.4.16</span></st1:chsdate><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">条</span> <span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">电缆敷设的弯曲半径与电缆外径的比值不应小于表</span><span lang="EN-US">5.4.16</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">所列数值。</span><span lang="EN-US"><br/></span><span lang="EN-US" style="FONT-SIZE: 13.5pt"></span></p>
<p class="MsoNormal" style="MARGIN-BOTTOM: 7.8pt; mso-para-margin-bottom: .5gd"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">注:①电缆应埋设在建筑物的散水外。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">②当电缆与热力管沟之间装有隔热层时,平行净距可减为</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".5" unitname="米"><span lang="EN-US">0.5</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">③当电缆穿管后或电缆在交叉点前后</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="1" unitname="米"><span lang="EN-US">1</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">范围内穿管时</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">或用隔板隔开</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">,其交叉净距可减为</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".25" unitname="米"><span lang="EN-US">0.25</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">④电缆与热力管沟交叉时,如电缆穿石棉水泥管保护,其长度应伸出热力管沟两侧</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="2" unitname="米"><span lang="EN-US">2</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">,采用隔热层保护时,应超过热力管沟和电缆两侧各</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="1" unitname="米"><span lang="EN-US">1</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">⑤电缆与水管,压缩空气管平行时,电缆与管道标高差不大于</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".5" unitname="米"><span lang="EN-US">0.5</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">时,平行净距可减小为</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue=".5" unitname="米"><span lang="EN-US">0.5</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">⑥电缆与道路,铁路交叉时,应穿管保护,保护管应伸出路基</span><st1:chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="1" unitname="米"><span lang="EN-US">1</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">米</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">。</span><span lang="EN-US"><br/></span><span lang="EN-US" style="FONT-SIZE: 13.5pt"></span><span lang="EN-US"><br/></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">注:①表中未说明者,包括铠装和无铠装电缆;</span><span lang="EN-US"><br/><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </span></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">②电力电缆中包括油浸纸绝缘电缆</span><span lang="EN-US">(</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">不滴流电缆在内</span><span lang="EN-US">)</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New="New"  Roman'; mso-hansi-font-family: 'Times New="New"  Roman'">和橡塑绝缘电</span></p></font><br/>
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SINOTEAM56

2008-9-5 12:25:54
好好学习,刚找到这个论坛,兴奋中.....

zxxzccvvbb

2010-7-6 15:55:22
<p>又多个好论坛</p>

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