supply of 4 core 120 sq.mm pvc insulated heat resistant electrical cable4 core 120 sq.mm pvc insulated heat resistant electrical cable,supply of 4 core 120 sq.mm pvc insulated heat resistant electrical cable. aluminium conductor f or working voltage upto and including 1100 volts, type of armouring galvanised gi strip, bis marked and insula tion compound is type- c and type st-2 conformity of the specification as per is - 1554 (part i) : 1988 or latest amendment, identification and packaging specification is is - 1554 (part 1) : 1988 or latest with all the relevant te st certificates [ warranty period: 30 months after the date of delivery ]