看你的电工基础知识牢固吗？(4)

homestay

What is the first thing you need to do and need to know before working on an electrical cuicuit/equipment?

jack_lai

6 j- a' M7 c  k3 O2 PThe question is unclear?
( C1 s# b! _2 r& L  G3 X: N, h6 ^Firstly, the equipment or circuit is energized or not ?
# r8 x/ v7 w8 e$ w' cIf yes. You have to get the permit to shut down the power.  After you get the permit … fill a form sing the paper…. You have turned the power off for this equipment or circut. After that , you can do what you want to do.

Allan2008

是否带电是很重要的。

homestay

The question is unclear?
Firstly, the equipment or circuit is energized or not ?
* a+ M$ c- b* r, g5 D& gIf yes. You have to get the permit to shut down the power.  After you get the permit … fill a form sing the paper…. ...
+ s4 X. b2 {1 |jack_lai 发表于 2010-2-15 22:24

, E! m& Q2 q" }+ f% i8 r“Firstly, the equipment or circuit is energized or not ?”------打得对：）