supply of 4 x 50 sq. mm, xlpe insulated, 1100 volts grade, lt cable etc.4 x 50 sq. mm, xlpe insulated, 1100 volts grade, lt cable etc.,4 x 50 sq. mm, xlpe insulated, 1100 volts grade, lt cable with improved fire performance c ategory c2, stranded aluminum conductor complying with class 2 of is 8130, cores laid up, inner sheath of pvc applied by extrusion, galvanised round steel wire or galvanized steel formed wire (strip) armoured, cores identification by coloured strip applied on the cores, outer sheath of pvc compound applied by extr usion conforming to the requirement of type st2 as per is 5831 & also meet the requirement of c2 categor y tests under clause 15.1.1 & 15.2.1, conforming to is: 7098 part-1 with amendment no. 1,2,3,4,5 or latest & isi marked.(i) type test certificate conforming to is:7098 part-1 from nabl accredited lab has to be sub mitted along with the offer for similar type of cable having conductor cross-sectional area not less than the mentioned size in description.(ii) routine test certificate has to be submitted along with supply of material s.(iii) acceptance test as per is:7098 part-1 has to be conducted by , 4 x 50 sq. mm, xlpe insulated, 1100 volts grade, lt cable with improved fire performance c ategory c2, stranded aluminium conductor complying with class 2 of is 8130, cores laid up, inner sheath of pvc applied by extrusion, galvanised round steel wire or galvanized steel formed wire (strip) armoured, cores identification by coloured strip applied on the cores, outer sheath of pvc compound applied by extr usion conforming to the requirement of type st2 as per is 5831 & also meet the requirement of c2 categor y tests under clause 15.1.1 & 15.2.1, conforming to is: 7098 part-1 with amendment no. 1,2,3,4,5 or latest & isi marked. (i) type test certificate conforming to is: 7098 part-1 from nabl accredited lab has to be su bmitted along with the offer for similar type of cable having conductor cross-sectional area not less than th e mentione