supply of 19 core x 4 sq.mm [56/0.30 mm] 750 v. grade flexible elastomeric cable with copper conductor as per rdso spec. no. e-14/01 (part-1) rev.ii / feb.1993 or latest. (jumper cable for inter coach coupler connection on emus.). , 19 core x 4 sq.mm [56/0.30 mm] 750 v. grade flexible elastomeric cable with copper co nductor as per rdso spec. no. e-14/01 (part-1) rev.ii / feb.1993 or latest. (jumper cable for inter coach coupler connection on emus.). [ 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 ] ]