Household 4 square copper wire, what is the name of the line?
Quality is better, non GB cable market on many, or the length is not enough, or the cross-sectional area is insufficient, or poor material, remember to choose the brand, choose channels.
The full name is PVC BV wire
Home cable is generally RVV cable, that is, rubber cable, 4 square refers to the cable copper wire cross-sectional area
