Sheathed wire model:

Commonly used copper sheathed wires are generally: bvv, bvvb, rvv, rvvb, and aluminum sheathed wires blvv, blvvb

The sheathed wire can be divided into two types: hard sheathed wire (bvv, bvvb, blvv, blvvb) and soft sheathed wire (rvv, rvvb). According to its application environment and shape, it can also be divided into round sheathed wire and flat sheathed wire. Round sheathed wire is generally multi-core, and flat is generally single-core.

In the above sheathed wire

L: stands for aluminum core

V: stands for PVC insulation

V: stands for PVC sheath

R-soft

The 4 most commonly used sheath wire specifications:

BVV copper core PVC insulated PVC sheathed round cable (wire)

BLVV aluminum core PVC insulated PVC sheathed round cable (wire)

BVVB copper core PVC insulated PVC sheathed flat cable (wire)

BLVVB Aluminum Core PVC Insulated PVC Sheathed Flat Cable (Wire)