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

0 |0 s5 r) T' L  P9 p9 }3 ^& J  xThe question is unclear?
( ?& |0 F/ \( q! p, |Firstly, the equipment or circuit is energized or not ?
; R- x: e% I0 c" O6 K0 s; C& }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?
$ u( i3 B3 l4 F$ S* \2 MFirstly, the equipment or circuit is energized or not ?
1 Q8 ^8 K! s+ g, p* Z3 JIf yes. You have to get the permit to shut down the power.  After you get the permit … fill a form sing the paper…. ...
9 r# ]" M% {; H$ E8 V: Fjack_lai 发表于 2010-2-15 22:24

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