 鲜花( 2)  鸡蛋( 0)
|
本帖最后由 移民电工 于 2010-5-22 07:20 编辑
$ w0 m% l4 P: @- \/ ]( H F
* H4 k4 Q3 u6 W4 Z, L4 OCommon mistake Question:: k/ J2 S6 s( H0 b3 p) T5 d
+ Z' I8 I2 ^4 y( E# \4 L3 R
What 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' x& o- ?& i% T" W
" _2 i8 K: b# ?Please read Choices:
7 ]$ B; ~! A/ ^8 z4 v# P8 H# O* p. X
4 d, P1 `5 o% W( L1 F% U0 j* u. chttp://www.ceac.ca/bbs/forum-10-1.html |
|