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?
/ U5 b; B. n) R3 Y: |# {2 MFirstly, the equipment or circuit is energized or not ?
+ ?; \5 ]% I+ a* v& Z- TIf 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?
1 ~% }9 c5 @& y4 s8 l# XFirstly, the equipment or circuit is energized or not ?
$ a* d2 v! F" Z6 n; d- rIf yes. You have to get the permit to shut down the power.  After you get the permit … fill a form sing the paper…. ...
jack_lai 发表于 2010-2-15 22:24

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