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

% j  o- M( u& F# S; N
8 ?5 q. c4 h2 W0 o2 H2 _The question is unclear?
. I* K5 u$ o6 o0 x* {0 p& LFirstly, the equipment or circuit is energized or not ?
% _  ]+ Q6 w- \/ [- zIf 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 ?
: U3 b: R* P- \, ?If yes. You have to get the permit to shut down the power.  After you get the permit … fill a form sing the paper…. ...
3 [. d1 H% M8 h9 z- m, sjack_lai 发表于 2010-2-15 22:24

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