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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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. F4 ?2 F6 l; L% n$ V4 pCommon mistake Question:
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0 T/ e: V2 S* ^$ mWhat 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. h, B+ X. @1 P0 Z
; M2 y( r7 H3 S$ o6 sPlease read Choices:5 R( J; H& `) V! g+ m6 Z
, ]6 U- C9 B7 \, Chttp://www.ceac.ca/bbs/forum-10-1.html |
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