In the wire and cable factory, will be marked on the wire and cable voltage level, I would like to ask the current market, wire and cable marked on the voltage level which? Such as: BV-450V / 750V. Cable in the order to pay attention to what issues? As well as cable inspection when the attention to what issues? More
Is the interference signal line can not go with the wire,
Basically are refining, the wax is also used, the high cost of particles
The audio line to use a shield of the special line, shielded cable and TV open to the road, the state is 1 to more than the signal line, the outer layer of metal mesh, with this line It will be disturbed.
