supply of rail jumper with cl s , rail jumper with clamps at both ends 05 mts long complete as per rdso drg. no.re/33/p-50 0. ( rail clamp made of al.bronze is: 3091/1999 and pvc copper cable size: 248/0.45mm ) make:- p ec, sdu, sst, im or equivalent. [ warranty period: 30 months after the date of delivery ] ] , rail jumpers with rail clamps at both ends with 03mtrs cable length as per rdso drawing.no : re/33/p/500, re/33/p/501 and re/33/p/504 or latest with necessary test and guarantee certificate. and ca ble should be of single core flexible multi-strand annealed copper cable as per is1554(pt-1)1988, size 248 /0.45mm with heat resistive pvc insulation, voltage grade- 650/1100v. make/brand: sste or similar [ war ranty period: 30 months after the date of delivery ] ] , rail jumpers with rail clamps at both ends with 13 mtrs cable length as per rdso drawing n o: re/33/p/500, re/33/p/501 and re/33/p/504 or latest with necessary test and guarantee certificate. and c able should be of single core flexible multi-strand annealed copper cable as per is-1554(pt1)1988, size 24 8/0.45mm with heat resistive pvc insulation, voltage grade- 650/1100v. make/brand: pec or similar [ wa rranty period: 30 months after the date of delivery ] ]