A cikin tsarin watsa DC na zamani, kawai hanyar watsa yanar gizo ne DC, Tsarin ƙarni da tsarin masu amfani har yanzu suna cikin. A aikawar ƙarshen layin watsa, AC Power daga A cikin tsarin da aka aiko zuwa mai reptifier ta hanyar mai canjin canji a tashar juyawa. Wanda ya canza ƙarfin actage-victage zuwa ga ƙarfin ƙarfin lantarki kuma yana tura shi zuwa layin watsawa DC.
