Annealed Tinned Copper Conductor (Opt: APC) as per EN 60228, Class 1, Insulation : Elastomeric Compound Type EI 2 (Silicone Rubber), Insulation Colour : Black (or) As per customer order, Outer Braid : Glass Fibre as per EN 50525-1, Specification : BS EN 50525-2-41 (0.5 Sq.mm to 2.5 Sq.mm Class-1), Test Voltage : 2000V, Operating Temperature : -55°C to 180°C, Rated Voltage : 300/500V, Max. Temperature of short circuit : 350°C, Min. Insulation Resistance Constant at 27°C : 3670 M?.km, High Temperature-resistant, Halogen free, Cold Resistant, Flame Retardant, Weather Resistant