BV wire, plastic copper wire for short, full name copper core PVC insulated cloth wire. B represents the category of cloth wires, and V represents the insulation is polyvinyl chloride. It is suitable for cables and wires used for AC voltage 450/750V and below power plants, household appliances, meters and telecommunication equipment.

BV lines are divided into: ZR-BV and NH-BV.

ZR-BV: Copper core PVC insulated flame-retardant wire: the insulation material is added with flame retardant, and it will not ignite spontaneously away from an open flame. Flame-retardant BV lines are divided into three grades: A, B, and C, of which A is the best, and so on, the most commonly used is ZR-BV.

NH-BV: Copper core PVC insulated fire-resistant wire: it can be used normally under normal fire conditions.