can i check an extension cord from one side?
does it should the electricity switched off, even if i’m using a proper testing machine?
if one side of an extension lead is permently connected to electricity and it's unreachable, is it ok to test it from one side only?
一旦他们有信誉积分了, 你就可以看到他们一段时间内累积的信誉积分曲线图。
曲线图预览：
还没有获得任何的信誉积分。
can i check an extension cord from one side?
does it should the electricity switched off, even if i’m using a proper testing machine?
if one side of an extension lead is permently connected to electricity and it's unreachable, is it ok to test it from one side only?