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

% m5 o: b8 i; bThe question is unclear?
Firstly, the equipment or circuit is energized or not ?
  U2 x9 u, U6 x# U! T' [  T, y1 FIf 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 ?
) q7 M" Y; R: {; p* P8 jIf 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

: }4 r# C1 k8 g+ u$ [“Firstly, the equipment or circuit is energized or not ?”------打得对：）