Soft / annealed Plain Copper according to ISO 6722 (Symmetrical), Insulation : Electron Beam crossed linked Polyolefin Class D (Thick wall ), Colour : As per customer order, Cable construction according to ISO 6722,Class D, Single core, Single layer insulation, Temperature Range : 40°C to +125°C (3000 Hours), Standard : ISO 6722 Class D, Test Voltage: 3kV (r.m.s.) for cables <