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

2 S6 z' }5 \9 N( G' Z: x% U% yThe question is unclear?
' C/ E9 z4 a4 q3 w2 k$ ~Firstly, the equipment or circuit is energized or not ?
' M7 I- @7 j* {6 J( V& {+ IIf 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?
) p( C( D( x3 zFirstly, the equipment or circuit is energized or not ?
* r; a0 i0 D' ^3 a0 WIf 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

! i; I; O7 r9 p! m“Firstly, the equipment or circuit is energized or not ?”------打得对：）