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

$ N  ^$ Z1 u8 ~) a6 d
The question is unclear?
9 l! y- O+ F) ]9 j0 KFirstly, the equipment or circuit is energized or not ?
1 t8 f! u6 W6 ~9 b+ iIf 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?
& G' L1 _' v2 D" I1 AFirstly, the equipment or circuit is energized or not ?
( h8 B: {1 Z. s% ]/ W0 q8 IIf yes. You have to get the permit to shut down the power.  After you get the permit … fill a form sing the paper…. ...
: e+ I. T/ E, L$ a8 ijack_lai 发表于 2010-2-15 22:24

# H" h! g3 Y- k+ n+ S2 Q& b“Firstly, the equipment or circuit is energized or not ?”------打得对：）