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

' k" c$ l+ u$ ]$ T& u
* r7 I% R: ]  q# a: L& hThe question is unclear?
+ o6 Z$ V. E% D. Q& T) w1 N3 @Firstly, the equipment or circuit is energized or not ?
If 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?
9 f0 {9 _( D- m4 T# cFirstly, the equipment or circuit is energized or not ?
If yes. You have to get the permit to shut down the power.  After you get the permit … fill a form sing the paper…. ...
7 n& L% z3 d! a8 l) Tjack_lai 发表于 2010-2-15 22:24

3 f. I' s( S* m% c: K* c' \  s“Firstly, the equipment or circuit is energized or not ?”------打得对：）