bare copper wire,ISO9001:2000 and CE passed, Standard producing, high quality and lowest price ... bare copper wireRated temperature:70(70--105)centidegreeRated voltage:300/500V,450/750VReference standard:GB5023.3--1997Stranded,tinned or bare copper PVC insulationPasses GB12666.2 flame testUniform insulation thickness to ensure easy stripping and cutting bare copper wire