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本帖最后由 移民电工 于 2010-5-22 07:20 编辑
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Common mistake Question:
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; P# I, B8 s/ G( Q/ _' \7 e# 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.# e4 Y$ a- j( z8 ~0 g" n
1 N `9 Z+ O3 P7 g6 ^Please read Choices:
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发表于 2010-5-22 05:23
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