supply of cablecable,supply of 38/66kv, (1 core x 630 sqmm) cable having stranded compacted circular aluminu m conductor, semiconducting tape conductor screened by a layer of extruded semiconducting cross linkabl e compound, extruded xlpe insulated, insulator screened by a layer of extruded semiconducting cross link able compound, semiconducting water blocking tape followed by copper tape applied in open helices, semi conducting water blocking tape, poly-al tape, inner sheath of hdpe (type st-7) compound, aluminum wire shall withstand fault current of 13.2 ka for one second and over all frls pvc type st2 outer sheathed arm oured cable with overall graphite coating conforming to is: 7098 (part-iii) latest. [ warranty period: 30 m onths after the date of delivery ] ]