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

$ O7 V% E* x; pThe question is unclear?
; w% Y* @* x/ `  K1 \: y9 o) `! wFirstly, the equipment or circuit is energized or not ?
0 `" Q: c" P7 u+ R' uIf 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?
7 ~  o8 C, v. t3 W# IFirstly, 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 V3 s  d6 G! k, m" k( Qjack_lai 发表于 2010-2-15 22:24

“Firstly, the equipment or circuit is energized or not ?”------打得对：）