Thin Walled Electronic Beam Irradiated/ Chemically Cured Cross Linked Thin Walled Flexible Elas Tomeric Cables With Copper Conductors (Single Core) Size 2.5 Sq. Mm.750 V. To Rdso'S Spec. No.- Elrs/Spec/E Lc/0019 (Rev.- 4) Issued On February 2018 Or Latest For Power Rolling Stock [ Warranty Period: 30 Months After The Date Of Delivery ] ]