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?
  a# Z. i. H3 y  D% J. vFirstly, the equipment or circuit is energized or not ?
4 {0 a7 H# H6 R; ]2 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?
Firstly, the equipment or circuit is energized or not ?
+ n- S9 n& T' Q) V* z9 MIf 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

/ E* v# k$ W! [1 f“Firstly, the equipment or circuit is energized or not ?”------打得对：）