Nts’etsopele ea k’hamphani e fetotsoeng ea oli e kentsoeng ka oli e ntse e eketseha lilemong tsa morao tjena. Ka nts’etsopele ena, lihoesele tse ntle tsa li-transformer li tla qala ka mollo oa transformer ho fokotsa monyetla oa mollo, e le ho fihlela phello e sireletsehileng. E le ho ntlafatsa boleng ba lihlahisoa tsa li-transformer le ho li rekisetsa batho ba bangata ka theko e tlaase, e le hore baahi ba bangata ba ka boela ba ba le phihlelo ea boleng bo botle ba transformer.