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

8 l' y( s% R, w/ S; Q; v1 ]7 I
The question is unclear?
Firstly, the equipment or circuit is energized or not ?
. D6 Q" R3 j) P+ ]4 n2 T5 w. z2 Q) VIf 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?
" _% z1 f4 q9 W, K5 o5 B# MFirstly, the equipment or circuit is energized or not ?
2 E- ^$ g/ r$ o4 S* ?  kIf yes. You have to get the permit to shut down the power.  After you get the permit … fill a form sing the paper…. ...
$ A# Z8 ~+ r1 N: ijack_lai 发表于 2010-2-15 22:24

+ ?# O0 v0 w4 V) @“Firstly, the equipment or circuit is energized or not ?”------打得对：）