Umugqa wokushisa ovunguzayo ulungele amapayipi wezinto ezahlukahlukene, futhi ungasetshenziswa ochungechungeni noma ngokuhambisana, noma ngokuhambisana nokulawula izinga lokushisa.Amandla, i-voltage, nosayizi kungenziwa ngokwezifiso ngokuya ngezidingo zamakhasimende