BV wires

BV wire model meaning and structure: - B: Building wire (fixed installation purpose) - V: Polyvinyl chloride (PVC) insulation layer - No letter suffix: Default copper conductor (aluminum conductor model is BLV) Structural composition (from inside to outside): 1. Conductor: Single-strand solid hard copper wire, cross-section range 0.75~185mm² (commonly used in home decoration: 1.5mm², 2.5mm², 4mm², 6mm²). 2. Insulation layer: PVC material, uniform thickness (e.g., 1.5mm² wire insulation thickness is about 0.7mm), various colors (red/yellow/blue/green-yellow/white, etc.).