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

The question is unclear?
$ l( j' e2 ?5 p7 p  ~: ^Firstly, the equipment or circuit is energized or not ?
+ x; f) X% ]% X0 v8 x9 D; dIf 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 ?
If yes. You have to get the permit to shut down the power.  After you get the permit … fill a form sing the paper…. ...
2 z; g8 Z* ]4 j5 D5 q$ B5 y( jjack_lai 发表于 2010-2-15 22:24

7 O4 k' b/ J3 x+ H* C* g8 j“Firstly, the equipment or circuit is energized or not ?”------打得对：）