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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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# t0 V0 S; U2 Z4 P5 `) I8 t9 cCommon mistake Question:3 g, `' ]- t/ ]9 F4 b* x) z
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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.) o4 Y# G0 E3 u/ F. }; {4 o
, j! D' I/ C0 v. JPlease read Choices:& X9 P' z& [/ E6 R6 s
1 C, r& I* v) F* S" o7 b- y. j% qhttp://www.ceac.ca/bbs/forum-10-1.html |
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