Common mistake Question,现场图片一览

移民电工

; a% W, R; C4 ]/ L# |Common mistake Question:
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' p$ n4 d1 _: }' p3 U+ {4 UWhat 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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  @% r- i, ^5 w6 N" b' ePlease read Choices:

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移民电工

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移民电工

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移民电工

现场图片一览
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加拿大华人电工论坛
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