66 Kv (E) Grade, 1 Core X 400 Sq.Mm. Stranded Copper Conductor, With Extruded Semic Onducting Compound For Conductor Screening, Extruded Xlpe Insulation, Extruded Semiconducting Co Mpound For Insulation Screening, Semiconducting Water-Swellable Tape, Corrugated Aluminium Sheath (Seam Welded) Capable Of Carrying An Earth Fault Current Of 20 Ka For 3 Seconds, Extruded Hdpe Type St7 Inner Sheath, Aluminium Round Wire Armour Capable Of Carrying An Earth Fault Current Of 20 Ka Fo R 3 Seconds, Extruded Hdpe Type St7 Outer Sheath Followed By Graphite Coating Over The Outer Sheat H. Cable Construction Shall Generally Conform To Is: 7098 (Part Iii), And Testing Shall Be As Per Iec 608 40 (Designation: 2Xa2Ywa2Y) [ Warranty Period: 30 Months After The Date Of Delivery ] ]