supply of single core thin walled electron beamsingle core thin walled electron beam,single core thin walled electron beam irradiated copper cable size 6 sq mm in red, y ellow, blue and black in equal colour with copper conductor working voltage above 750 v and upto 1.8/3.0kv suitable for rolling stock application as per rdso spec no elrs/spec/elc/0019 rev.4 of feb 2018. note: 1) item/type/model/make/brand from the manufacturer/suppliers as approved b y rdso shall only be considered. 2. firm shall indicate the curing process (e-beam irradiation (o r) chemical curing) in their offer. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited