supply of butyl rubber 2.5sqmm, , butyl rubber 2.5sqmm, 12 core multistrand cable flexible 2.5sq.mm,12 core 1.1kv grade butyl rubber/ep rubber,insulated, individually insulated and pcp overall s heathed, with annealed tinned copper conductors for crane reeling drums. the cable shall be manufactured generally conforming to is 9968 part i latest and the number o f strands and size of the conductors used shall be conforming to is 8130. the tendere r shall indicate the make offered. the material shall be supplied along with manufactu rers test certificate. only authorized dealer/manufacturers to quote. note: the lengt h of the cable shall be exact 100mtrs in each drum. short length is not acceptable. ]