 鲜花( 2)  鸡蛋( 0)
|
本帖最后由 移民电工 于 2010-5-22 07:20 编辑 ( ~/ z8 t5 V; m
4 l: `0 N: c, N0 K& QCommon mistake Question:
9 t$ h" l$ w( E8 Z2 K1 Q! ]
( Z6 q( v# s3 b' fWhat 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.* [! Y& _ M e7 Z M) r
$ d, x& }' {0 m3 QPlease read Choices:1 U5 F$ ?- r& B1 \' W: R: [
. o5 Y; s d h! `" _http://www.ceac.ca/bbs/forum-10-1.html |
|