题目内容
Isolated equipment is reconnected and work site is made safe in accordance with established safety procedures. You must check the resistance between the equipment metal casing and a known earth is not grater then_______Ω. (Australian Standard)
查看答案
搜索结果不匹配？点我反馈
更多问题
Earth connection is vital to electrical safety. When you disconnecte an fault equiment, you must disconnect the earth pin_________.Isolated equipment is reconnected and work site is made safe in accordance with established safety procedures. The earth pin must be connected___________.
Fuses or circuit breakers are used to protect circuits/wiring against ______________ and/or ____________
Aresidual current device(RCD) must drip if the residual current more then______mA within ______ms.
I can fix my "fuse frequently blown problem" by fitting a thicker fuse wire or a copper wire.
微信支付 
支付宝支付