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

4 N; m# q3 y4 ~$ b+ P2 T& c
# {8 W/ m: Y- D2 yThe question is unclear?
, F5 j: Z( Y% ?9 KFirstly, the equipment or circuit is energized or not ?
+ _# m) y6 \$ X9 M9 _% xIf 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 ?
+ E' D# ?- V( |If yes. You have to get the permit to shut down the power.  After you get the permit … fill a form sing the paper…. ...
& @- v1 t7 Y5 O$ I7 Kjack_lai 发表于 2010-2-15 22:24

% C1 t) O3 c0 I“Firstly, the equipment or circuit is energized or not ?”------打得对：）