Annealed copper conductor, class 5 flexible Conductor as per EN 60228, Insulation: PVC Type TI 3 as per EN 50363-3., Outer Sheath: PVC Type TM 3 as per EN 50363-4-1, Specification : BS EN 50525-2-11:2011 BS-6500, Test voltage : 2kV, Conductor resistance : EN 60228, Working voltage(u /u) :300/500 V, Max. Operating temperature : 90°C, Flat cable, Flame retardant, flexible, Heat resistant