supply of 04 sq.mm. black colour electron beam04 sq.mm. black colour electron beam,04 sq.mm. black colour electron beam irradiation curing process thin walled flexible ela stomeric cable with copper conductors suitable for rolling stock application conforming to rdso specif ication no. elrs/spec/elc/0019 , rev.3 , 1.8 kv grade colour black, rdso approved make. (accepte d latest revision of specification i.e. elrs/spec/0019, rev.4). 1. cable shall be supplied in coils of 500 meter length and left over quantity i n multiples of 100 meter with a tolerance of plus/minus 5% on the length. 2.- cable should be marked in every one meter length. as per drg.no. rdso specification no. e lrs/spec/elc/0019 , rev.3 specn: rdso specification no. elrs/spec/elc/0019 , rev.3. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] => limited