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

% G2 Z7 a  D& i: _
$ y1 q$ ?) n  Q- F6 e5 X1 oThe question is unclear?
Firstly, the equipment or circuit is energized or not ?
9 E$ _' Y$ W. P& @9 q6 |3 U& e; I% nIf 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?
! @! S! b7 w: O# e+ w: xFirstly, the equipment or circuit is energized or not ?
- |8 X1 i6 T9 GIf 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：）