1)Conductor:BC TC CCA OFC 2)Insulation:transparent color PE PVC 3)we have do it about 10 ... Cables: PVC,Chemical Resistant,Moisture Resistant.Color of insulator for Speaker Cables:Transparent,White, Black, Red,Blue,Yellow,Purple,Clear,Red&Black ... .5+3.5mm1.5mm218AWGOD3.0+3.0mm1.00mm220AWGOD2.5+2.5mm0.75mm222AWGOD2.0+2.0mm0.50mm224AWGOD1.8+1.8mm0.35mm2CertificateWe have obtained ...