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[技术互助] Common mistake Question,现场图片一览

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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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3 R, K7 l9 M1 PCommon mistake Question:5 I0 U* Z, p  O6 X. y/ U# W: L) {

5 A* c, ?) R6 _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." |- h$ f* _$ z0 q. q% r

% e. K' x1 p, t# b. Q$ MPlease 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 8 ?2 w4 ?; q% f8 g$ \% M
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& ]$ g7 N; ~* g+ M" V- V

5 R; m3 I% T1 I' o0 e' H加拿大华人电工论坛
2 q3 Z& Z. O' @, Uhttp://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! k" ~, o  n0 o! G
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加拿大华人电工论坛
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