本帖最后由 移民电工 于 2010-5-22 07:20 编辑 * z( n( ]) S5 J0 W6 x6 b
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Common mistake Question:- F7 N& H8 p5 @+ h u# A" f! b
. O5 L k' B/ R0 }& vWhat 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. # r" u2 ~7 U1 X8 M: S4 Y8 W7 @1 z2 H & n% b7 e3 R0 @! B# fPlease read Choices:+ h6 r, a8 B u6 b
1 H0 B8 U& _. e; A& V* ~ http://www.ceac.ca/bbs/forum-10-1.html
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发表于 2010-5-22 05:23
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