procurement of electrical items under o&m head 2024-25 different type of insulator , electrical items : , 33 kv post insulator 10 kn (polymer) , 33 kv h.g. fuse set , 11 kv h.g. fuse set , 33 kv b&s type disc insulator (polymer type) 90 kn with h/w fitting , 11 kv b&s type disc insulator (polymer type) 70 kn with h/w fitting , 11 kv b&s type disc insulator (polymer type) 45 kn with h/w fitting , 33 kv polymer pin insulators 10 kn with gi pin and nut & washer , 11 kv pin insulator 5 kn with gi pin (polymer type) and nut & washer , lt pin insulator with pin (porcelain type) , lt shackle insulator with strap (porcelain type)