Uchungechunge lwe-ZBW (XWB) lweziteshi ezingaphansi zohlobo lwebhokisi le-AC luhlanganisa imishini kagesi enamandla kakhulu, ama-transformer, kanye nemishini kagesi ene-low-voltage ibe yisethi ephelele yamadivayisi okusabalalisa amandla, asetshenziswa ezakhiweni eziphakeme zasemadolobheni, zasemadolobheni nezasemaphandleni. izakhiwo, izindawo zokuhlala, izindawo zokuthuthukiswa kobuchwepheshe obuphezulu, Izitshalo ezincane neziphakathi nendawo, izimayini, izindawo zikawoyela, nezindawo zokwakha zesikhashana zisetshenziselwa ukwamukela nokusabalalisa amandla kagesi ohlelweni lokusabalalisa amandla.