1.5 Sqmm Electron Beam Irradiated Copper Cable Of Red, Yellow, Blue, Black Col Our, Grade Voltage Above 750 Volt Up To 1.8/3.0 Kv And Confirming To Rdso Spec No. Elrs/Spe C/Elc/0019 (Rev-04) Of Feb 2018. Material Shall Be Procured From Approved Sources Only . Not E : Cables To Be Supplied In Following Quantities Red Colour: 1000 Mtrs, Yellow Colour: 1000 Mtrs, Blue Colo Ur: 1000 Mtrs & Black Colour: 1000 Mtrs. [ Warranty Period: 30 Months After The Date Of Delivery ] ]