Common mistake Question,现场图片一览

移民电工

3 v2 |1 W1 z( H# i% QCommon mistake Question:
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; ?7 D, T8 B# }. q2 t! o1 h. q7 WWhat 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.

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移民电工

现场图片一览
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移民电工

现场图片一览

加拿大华人电工论坛
6 g1 F3 N3 U- E% B2 N! X$ a4 Ihttp://www.ceac.ca/bbs/forum-10-1.html