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 k3 A9 {4 H6 u
$ c9 t' [5 y% K2 z8 z% nThe question is unclear?
% Q; G9 s% i0 q: m1 N0 UFirstly, the equipment or circuit is energized or not ?
If 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?
$ t) T# D/ z5 IFirstly, the equipment or circuit is energized or not ?
5 }; E' o. ^; s7 y7 Q: {; x3 |If yes. You have to get the permit to shut down the power.  After you get the permit … fill a form sing the paper…. ...
0 p' r. s6 w" e* v4 y, ?  Gjack_lai 发表于 2010-2-15 22:24

9 i: M4 A/ x  F7 {“Firstly, the equipment or circuit is energized or not ?”------打得对：）