... Voltage (<80V)Material of insulator for Speaker Cables: PVC,Chemical Resistant,Moisture Resistant.Color of insulator for Speaker Cables:Transparent,White, Black, Red ... (Oxygen Free Copper)Tinned OFC-Tinned OFCOFC-Tinned OFCINSULATION:Chemical Resistant, Moisture Resistant, Soft PVCCOLOR:Transparent Clear, Red, Blue, Yellow, Purple,White,Black ...