Thin Walled Electron Beam Irradiation Curing Process Cable/Chemical Curing Process Cable With Copper Conductor, Single Core Size 185 Sq.Mm 3000 V To Rdso Specn.No. Elrs/Spec/Elc/0019 Rev.2 Of Feb.2011 The Requirement Of Working Voltage Upto And Including 1.8 Kv Rms To Earth And 3 Kv Rms Between Phases On Ac Circuit.