Common mistake Question,现场图片一览

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Common mistake Question:

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.

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移民电工

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移民电工

现场图片一览

加拿大华人电工论坛
http://www.ceac.ca/bbs/forum-10-1.html

移民电工

现场图片一览
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) h/ H! Y; e( F8 G, e7 q8 J) ^加拿大华人电工论坛
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