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

The question is unclear?
+ N, d& i; _+ x, @0 S! B3 D9 DFirstly, the equipment or circuit is energized or not ?
) k; d+ X' F. z  m6 p; d+ H8 eIf 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?
% E% z# ]$ G1 p9 m# @1 ^Firstly, the equipment or circuit is energized or not ?
, ^4 E8 b! m2 K, y( a) b' yIf yes. You have to get the permit to shut down the power.  After you get the permit … fill a form sing the paper…. ...
7 S+ G2 S6 N+ J! a1 Q& _. Vjack_lai 发表于 2010-2-15 22:24

* G: n: Z  W# [' x1 e' A0 I“Firstly, the equipment or circuit is energized or not ?”------打得对：）