Solid or stranded ,tinned or bare copper conductor 30-4/0AWG PVC insulation ,comply ... 600V/750VReference standard UL758,UL1581,CSA C22.2Solid or stranded ,tinned or bare copper conductor 30-4/0AWGPVC insulation ,comply with ... ROHS environmental standardPasses UL VW-1 and CSA FT1 flame testUniform insulation thickness to ...