RVV
1)Insulation: polyvinyl chloride (PVC)
2)Sheath: PVC
3)Rated Voltage: UO / U for 300/500 V

RVV

Product description:
Conductor: Multi-Unit bare copper wire strands
Insulation: polyvinyl chloride (PVC) 
Sheath: Polyvinyl Chloride (PVC)
Rated Voltage: UO / U for 300/500 V 
Temperature Rating: long-term temperature should be no more than 70