埃德蒙顿华人社区-Edmonton China

 找回密码
 注册
查看: 2216|回复: 3

[技术互助] Common mistake Question,现场图片一览

[复制链接]
鲜花(2) 鸡蛋(0)
发表于 2010-5-22 05:23 | 显示全部楼层 |阅读模式
老杨团队,追求完美;客户至上,服务到位!
本帖最后由 移民电工 于 2010-5-22 07:20 编辑
6 S( a* U- e& ?6 v5 @6 l: G  M# M3 b5 r' m  i) d% P
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:
. ?' f( V5 Y* E, o& z0 F. Y  `; i8 t- t
http://www.ceac.ca/bbs/forum-10-1.html
鲜花(2) 鸡蛋(0)
 楼主| 发表于 2010-5-22 06:20 | 显示全部楼层
现场图片一览
9 K9 S2 m( S% B) f9 {0 H1 M
5 {( H% B2 F; J% N  z# y. f, n# R加拿大华人电工论坛
; [$ p: ~) j% e0 d4 {6 ]# ]6 uhttp://www.ceac.ca/bbs/forum-10-1.html
鲜花(2) 鸡蛋(0)
 楼主| 发表于 2010-5-22 06:20 | 显示全部楼层
现场图片一览5 m+ R1 q$ N) Z

7 R, s$ u5 S- b( k0 d) v加拿大华人电工论坛 9 k! ?/ U, |9 y+ N7 I
http://www.ceac.ca/bbs/forum-10-1.html
鲜花(2) 鸡蛋(0)
 楼主| 发表于 2010-5-22 06:21 | 显示全部楼层
老杨团队 追求完美
现场图片一览
& W* I6 {7 F% `& [9 e! u2 g/ ?, j6 g/ Z* h7 J* f
加拿大华人电工论坛
$ P  u( K$ V; T( Z9 phttp://www.ceac.ca/bbs/forum-10-1.html
您需要登录后才可以回帖 登录 | 注册

本版积分规则

联系我们|小黑屋|手机版|Archiver|埃德蒙顿中文网

GMT-7, 2024-12-28 12:28 , Processed in 0.502374 second(s), 9 queries , Gzip On, APC On.

Powered by Discuz! X3.4

Copyright © 2001-2021, Tencent Cloud.

快速回复 返回顶部 返回列表