supply of electric line materials supply of electric line materials under electric supply area medininagar , electrical items : , 33 kv isolator 400 amp 3 phase with earth switch , 33 kv isolator 630 amp 3 phase with earth switch , 33 kv fuse set , 11 kv fuse set , 33 kv (b &s type) disc insolater with fitting (90 kn) polymer tope , 11 kv (b&s type) disc insolater with fitting (70 kn) polymer tope , 11 kv (b&s type) disc insolater with fitting (45 kn) polymer tope , 33 kv polymer type pin insulator (10 kn) with g.i pin nuts & washer) , 11 kv polymer type pin insulator (5 kn) with g.i pin nuts & washer) , 33 kv post insulator (10 km) polymer) , lt pin insulator with pin (porcelene type) , lt shackle insulator with strap (porcelene type)