In the home improvement, building materials wire is essential, then, what is the decoration with good wire? This is what we are concerned about the problem, the wire quality directly affects the safety of everyone in the choice of wires, be sure to pay attention to, here to give you a brief introduction, difference, BV and BVR single core and multi-core wire.
BV wire is a single conductor with insulation layer fixed wiring
BVR wire is a fixed wire with a plurality of stranded conductors and insulation layer, which is used for the occasions requiring soft wire.