Household electrical wires

Electrical wires typically refer to conductors consisting of one or more stranded metallic conductors (mainly copper or aluminum) encased in an insulating material (such as polyvinyl chloride (PVC), cross-linked polyethylene (XLPE), etc.). Compared to the more complex structure of cables, electrical wires generally have: lower voltage ratings (primarily used in low-voltage systems such as 450/750V, 300/500V); simpler structures (generally consisting only of a conductor and an insulation layer, without complex shielding, armor, or multiple sheaths); and thinner/softer conductors (especially multi-strand flexible wires (BVR/RV), offering good flexibility).