supply of 3x1.0 sq mm multi core cable , 3 x 1.0 sq.mm multicore screened, thin walled electron beam irradiated fle xible elastomeric cable with copper conductor suitable for rolling stock application generally conforming to edts-132, rev-c, amd-1, 2 & 3, data sheet-4, 600v grade.the colo ur of the outer sheath shall be black and colour of cores shall be white, brown & bla ck. note: 1) approved sources of multi core cables to specn.no. clw/es/0459 as per rdso approved vendors list shall only be considered. 2) cables shall be supplied in coils of 500 meters length and leftover quantity in multiples of 100 meters with a tolerance of+/- 5% on the length. [ warranty period: 30 months after the date of delivery ] ]