 鲜花( 2)  鸡蛋( 0)
|
本帖最后由 移民电工 于 2010-5-22 07:20 编辑
: A6 Y6 @7 O( ]9 g+ u2 r/ V. \# V# ~& U4 D& X5 i
Common mistake Question:
9 _! l) ]8 O; D* E) R8 v% q
. Q7 r7 r. L) d) _# w7 t/ }7 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.
, z j6 m3 H- _- U E1 N& Y" h
5 j6 J& ~- n# kPlease read Choices:3 m6 _2 b7 Y. O
0 |; p, n( u2 T. X3 p# |/ Zhttp://www.ceac.ca/bbs/forum-10-1.html |
|
狗仔卡
发表于 2010-5-22 05:23
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡
楼主
