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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:' Y- S8 p5 A3 w( ^% t
8 |+ ~$ R/ p2 b9 S [0 P0 h, oWhat 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.) L v: P& ]8 x/ e* `2 Z7 I1 v5 k. \
; H; ^5 a7 g b* F! Y, YPlease read Choices:
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