... than CCA and copper wire good conductivity 0.4mm bare ccs wire best price 0.4mm bare copper clad steel wire Copper ... wire (≥1.6), big wire (0.6-1.6), Normal wire (0.2-0.6), fine wire (<0.2)according to the different strength ... wire (≥1.6), big wire (0.6-1.6), Normal wire (0.2-0.6), fine wire (<0.2)according to the different strength ...