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$ r* `& ]1 j! D( Y4 V! H
2 c; J% `' x/ O! m" {4 VThe question is unclear?
- T" w0 R0 S! Z' T" w5 zFirstly, the equipment or circuit is energized or not ?
  q/ I+ S% ~$ e; w# G7 l5 @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?
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…. ...
- T- K3 k/ n. U1 @) ?' h2 x$ p7 sjack_lai 发表于 2010-2-15 22:24

& t- N* B" ?% L/ j1 M. x& ^/ z“Firstly, the equipment or circuit is energized or not ?”------打得对：）