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[技术互助] Common mistake Question,现场图片一览

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鲜花(2) 鸡蛋(0)
发表于 2010-5-22 05:23 | 显示全部楼层 |阅读模式
老杨团队,追求完美;客户至上,服务到位!
本帖最后由 移民电工 于 2010-5-22 07:20 编辑
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+ o6 D- W. }4 \Common mistake Question:+ ~4 g! {% \* ^7 {( d+ V% l/ U5 ?
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What would you do? Lets say you are adding a circuit into a sub-panel, and you see no ground bar. The grounds and neutrals of about twenty 12-2s go to the neutral bars and the box remains ungrounded. Your sub-feed is four wire(A,B,N,G) and the last forgetful sparky left that bar that can bond the box to the neutral bar. please vote.! `4 l3 \1 M" X" F: |# E' R
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Please read Choices:
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鲜花(2) 鸡蛋(0)
 楼主| 发表于 2010-5-22 06:20 | 显示全部楼层
现场图片一览
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加拿大华人电工论坛
+ p# W* F9 A9 L6 ?: T% ]http://www.ceac.ca/bbs/forum-10-1.html
鲜花(2) 鸡蛋(0)
 楼主| 发表于 2010-5-22 06:20 | 显示全部楼层
现场图片一览2 O, W$ p: l" t5 w* {& y( \( b" A

0 c6 A; g9 U8 _& P加拿大华人电工论坛
  d3 v7 x/ a1 x* f& V( ?; U( Dhttp://www.ceac.ca/bbs/forum-10-1.html
鲜花(2) 鸡蛋(0)
 楼主| 发表于 2010-5-22 06:21 | 显示全部楼层
老杨团队 追求完美
现场图片一览
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4 L. ]+ r0 F+ U* X加拿大华人电工论坛
: D7 _" ?$ R( m2 r% m2 |http://www.ceac.ca/bbs/forum-10-1.html
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