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本帖最后由 移民电工 于 2010-5-22 07:20 编辑 6 k4 Q" W9 \+ e. _. H
0 q7 N$ J; e" F" V) G' O- E" @' RCommon mistake Question:7 r7 u1 Q/ V4 ~* B6 Z: M$ N
7 z5 B1 k/ N2 K, W/ }! w# O6 g3 o3 `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.8 [! `1 M) z7 v' T$ v7 v
) i/ f6 j+ n1 zPlease read Choices:9 H6 |/ {) S& p8 f
, _2 v# {5 J- Q2 E- Whttp://www.ceac.ca/bbs/forum-10-1.html |
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发表于 2010-5-22 05:23
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