4 Sq Mm Stranded Annealed Tin Coated Copper Conductor. E-Beam Irradiated Cross-Linked Polyolefin, Insul Ation Cable, As Per Rdso Specification No. Elrs/ Spec/Elc/0019 Rev 4 Of February 2018, 1.8/3.0 Kv, Colour In Red And Black In Equal Quantity. [ Warranty Period: 30 Months After The Date Of Delivery ] ]