supply of 25 kv earthing / discharge rod assembly for high rise ohe with working voltage 25 kv ac traction in 4 equal sections ( overall length should not be less than 6.7 meter ) of fibre glass stick with single core flexible multistrand annealed copper cable of size 248 / 0.45mm and 13 meter ( 11.5+1.5 ) mtr long, each discharge rod supplied with 02 nos. rail clamps & top clamp suitable for 10-20 mm dia. conductor and whole assembly to be supplied in canvas bag and all shall be as per rdso spec. no. eti / ohe / 51 ( 9 / 87 ) with latest a&c slip no. 1 ( 10 / 92 ) . make- pec, im or sdee. [ warranty period: 30 months after the date of delivery ]