What do wires BV, BVVB, BVR, RV, RVS, AVVR stand for? These symbols are some types of wires. The B series are classified as cloth wires, so B is used at the beginning. Electric wires, including various connecting wires and installation wires.
V is PVC polyvinyl chloride, which is the wire casing;
R means (soft), to be soft, is to increase the number of conductors;
BV copper core PVC insulated wire;
BVR copper core PVC insulated flexible wire;
RV copper core PVC insulated connection flexible wire;
RVV copper core PVC insulated PVC sheathed connecting flexible wire
More plastic jacket than RV
Plus: Our most commonly used "sheathed wire"
BVVB copper core PVC insulated PVC sheathed flat cable is 2 BV wires, plus a layer of white sheath;
Sheathed wire refers to a single-core or multi-core wire with a sheath layer, and the sheathed wire is safer. To put it bluntly, our most commonly used "sheath wire" is a layer of white PVC sheath with several BV wires inside. This kind of wire is generally a copper core wire. In addition to an insulating layer on the outside of the wire, there is a protective layer on the outside of the wire.