repairing and servicing of motor feeder, battery charger, bus coupler at ps i to vi of gjlc repairing and servicing of motor feeder battery charger, bus coupler at ps i to vi of gjlc , 6.6 kv / 110 v dc complete contactor unit mechanical latch type , idmt relay model no. adr141a , 3 over current and1 earth fault numerical protection relay aux supply 18 - 230 volt ac / dc ashida make , voltage protection relay over voltage, under voltage, phase sequence, phase revers, phase failure relay , solid circular annealed plain copper conductor, pvc ( type a ) insulated, cores laid up together suitably, pvc inner sheath, single layer of galvanized steel flat strip / round wire armored and overall pvc ( type st-1 ) outer sheathed. 1100v grade cable conforming to is 1554 / i / 88. 2cx2.5sq.mm ( ywy ) , solid circular annealed plain copper conductor, pvc ( type a ) insulated, cores laid up together suitably, pvc inner sheath, single layer of galvanized steel flat strip / round wire armored and overall pvc ( type st-1 ) outer sheathed. 1100v grade cable conforming to is 1554 / i / 88. 4cx2.5sq.mm ( ywy ) , solid circular annealed plain copper conductor, pvc ( type a ) insulated, cores laid up together suitably, pvc inner sheath, single layer of galvanized steel flat strip / round wire armored and overall pvc ( type st-1 ) outer sheathed. 1100v grade cable conforming to is 1554 / i / 88. 10cx2.5sq.mm ( yfy ) , 6.35 / 11kv ( e ) ht xlpe aluminum conductor power cables, confirming to is:7098 / ii / 2011 3cx35 sq.mm ( ayfy )