Common mistake Question,现场图片一览

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: s* L5 W; K( G1 k0 UCommon mistake Question:

8 s& `* b5 U. }# p; u$ `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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