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

& g5 Y9 c: l. }8 }; ^! b4 T+ ]
. W. r% @" q  \" ^! LThe question is unclear?
Firstly, the equipment or circuit is energized or not ?
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?
+ ~  E/ G! m" h% X% }% s! T( m+ }Firstly, the equipment or circuit is energized or not ?
- ?5 d( A* I) kIf yes. You have to get the permit to shut down the power.  After you get the permit … fill a form sing the paper…. ...
7 N/ I( s" U. m9 g4 c! ajack_lai 发表于 2010-2-15 22:24

1 r/ b# l9 Q) q& J  x: d7 {( Q" b“Firstly, the equipment or circuit is energized or not ?”------打得对：）