本帖最后由 移民电工 于 2010-5-22 07:20 编辑 # |) b( b& j" t! W& k5 F3 T: T! s3 A' ]
Common mistake Question:+ _1 ~- A, F# \* y* f; Q. G$ z% E! V
7 P5 R3 J7 E4 F5 \+ j# i( nWhat 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. . f2 C: J( o7 G7 O3 F! k' _1 ]3 {* O% w( o ~4 `
Please read Choices: 4 y9 q: D8 J( B J! J' O9 Y* k) L http://www.ceac.ca/bbs/forum-10-1.html