Common mistake Question,现场图片一览

移民电工

Common mistake Question:

1 K9 E. [1 ^0 X0 J7 d. M5 cWhat 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

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移民电工

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加拿大华人电工论坛
) `; X+ ]6 f& F7 s' K4 p! jhttp://www.ceac.ca/bbs/forum-10-1.html