supply of cable 16 sqmm blue 1.8kv, 16sq.mm, blue colour, electron beam irradiation curing process thin walled flexible elastomeric cable with copper conductor suitable for rolling stock application conforming to rdso spec.no.elrs / spec / elc / 0019, rev.4, feb-2018, 1.8 kv grade. note: 1. item / type / model / make / brand from the manufacturer / suppliers as approved by rdso shall only be considered. 2. electron beam irradiated cross linked cables are only acceptable. 3. firms are requested to indicate conformance of the same in the offer. 4 ) cables shall be supplied in coils of 500 metres length and left over quantity in multiples of 100 metres, with a tolerance of + / -5%.on the length [ warranty period: 30 months after the date of delivery ]