... Specificationworking temperature : -60°C~125°COperating voltage: DC12V/24V/36VConductor: multi-strand copper or tinned copperInsulation: PVC,PP, Teflon , silastic.Diachronic cores ... various types of spiral spring according to different requirements.ConductorMulti-strand copper or tinned copperInsulationPolyvinyl chloride, polyethylene, polyethylene or cross linked ...