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 E6 Y; u% t, Q5 d( c1 Y: E
$ l- y- i9 h  TThe question is unclear?
8 `3 @2 b+ _- I* C- d; wFirstly, the equipment or circuit is energized or not ?
; u: Q- ]2 f6 z9 @# }' Y0 hIf 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 ?
. x2 W& Z' d/ C( f# WIf yes. You have to get the permit to shut down the power.  After you get the permit … fill a form sing the paper…. ...
  G. V8 ~3 R3 K) S1 Gjack_lai 发表于 2010-2-15 22:24

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