Thin Walled Electron Beam Irradiated/Chemically Cured Cross-Linked Flexible Elastomeric Cable With Copper Conductor Sing Le Core, Size: 25 Sq.Mm, 3000V To Rdso Specification No. Elrs/Spec/Elc/ 0019,Rev.4 Of February 2018. The Requirement Of Working V Oltage Above 750 V Up To And Including 1.8 Kv Rms To Earth And 3 Kv Between Phases On Ac Circuit. [ Warranty Period: 30 Months A Fter The Date Of Delivery ] ]