Intambo ye-3.8/6.6kV inokuba bhetyebhetye ngakumbi, njenge-single core Coil End Lead Type 4E eyenzelwe iimotor, iijenereyitha, ii-activators, ii-transformers kunye ne-circuit-breakers, kunye ne-CPE Rubber sheath yangaphandle.Kufuneka kuqatshelwe ukuba le ntambo ifumaneka kuluhlu lwee-voltages ukusuka kwi-300/500V ukuya kwi-11kV.