White jacket electrical copper pvc telephone line 1.300/500V pvc line 2.CN ccc telephone line 3.100% copper line 4.2 cores White jacket electrical copper pvc telephone lineGBT19002(ISO9001-2000) & CCC certificate100% quality guarantee Fast delivery Perfect after-sale service InstructionIt applies to electrical Appliances,instrument and telecom device with rated voltage up to and including U/U450/ ...