supply of earthing/discharge rods at 220 kv s/s basti and 132 sub-station harraiya , under etd-i basti , supply of portable discharge rod f class insulation fiber suitable for system voltage up to 420 kv having total height as 7200 mm one set consisting of following items . ( a ) earthing pole in 4 equal section made of epoxy bonded class fiber . ( b ) earthing cable 12 meter long with transparent pvc insulated 10 mm dia flexibility copper wire fitted line and earthing clamp of alluminium alloy suitable for 4 ips tube/moose conductor ( c ) canvas carry bag for above .