Qubu ea ho tjhaja 'marakeng e ka aroloa ka qubu ea ho tjhaja ea DC, qubu ea ho tjhaja ea AC le qubu ea ho tjhaja e nkehang habonolo ho latela mokhoa oa ho tjhaja. Ho phaella moo, k'hamphani ea rona e boetse e fana ka lisebelisoa tsa qubu ea ho tjhaja, joalo ka adaptara, sethunya se nang le lihlooho tse peli, polokelo ea matla e nkehang habobebe, jj.