procurement of control & submersible cables - 2 pvc insulated & pvc sheathed industrial 3 core flat submersible cables, with bare bunched copper conductor for submersible pump motors with voltage grade grade 1100 volts, 3x50 sq. mm, conforming to is 694 / 1990. quantity variation is ± 5 %. 3 pvc insulated pvc sheathed 1.1 kv grade mining cable having multi strand annealed high conductivity copper conductor, gi and copper strip / wire double armoured as per is 1554 part-i, 1988 ( the conductivity of the armour shall not be less than 75% of the conductivity of the largest core ) outer sheath of cable should be embossed with voltage grade, cable size and year of manufacture. cable to be sequentially marked for lengths at every metre. cable size 3 c x 2.5 mm square.quantity variation is ± 5%.