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

The question is unclear?
/ a. N. d: e3 a$ p4 f+ SFirstly, the equipment or circuit is energized or not ?
' K! F! L# J( z: d& }! vIf 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?
: Y) b+ j* V1 W2 X* y% aFirstly, the equipment or circuit is energized or not ?
6 O) N( N( M. S5 kIf yes. You have to get the permit to shut down the power.  After you get the permit … fill a form sing the paper…. ...
9 \5 a0 j0 \: P; N& S2 J% }# q# wjack_lai 发表于 2010-2-15 22:24

( _/ h& s) [' t4 l8 H“Firstly, the equipment or circuit is energized or not ?”------打得对：）