4 Sq.Mm (Colour: Red, Black) Electron Beam Irradiation Curing Process Thin Walled Flexible Ela Stomeric Cable With Copper Conductor Suitable For Rolling Stock Application Conforming To Rdso Spec. No. E Lrs/Spec/Elc/Oo19, Rev.4, Feb-2018,1.8 Kv Grade. Note: Cables Shall Be Supplied With Equal Sharing Of Le Ngth For Each Colour. [ Warranty Period: 30 Months After The Date Of Delivery ] ]