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

, l2 ^+ R& [6 @2 _- V+ p( h! \
The question is unclear?
/ P) `" r# B6 a8 oFirstly, the equipment or circuit is energized or not ?
2 ^6 g4 Z! }; X( j1 [8 ~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?
Firstly, the equipment or circuit is energized or not ?
7 [+ \( f+ W: F4 _' Z3 D0 W8 XIf 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

“Firstly, the equipment or circuit is energized or not ?”------打得对：）