UL 1015 electronic line structure: Contains insulating layer, two parts, the conductor is outside for PVC insulation layer, the full name in Chinese for polyvinyl chloride (PVC); Internal conductors according to the normal standard should be bare copper and tin plated copper. Product requirements: Rated temperature: 105 ° C, rated voltage: 600 v, must pass the UL and CSA Ft1 VW - 1 vertical flammability testing, insulation thickness. http://www.chinajushengcable.com