Iyo vacuum yekamuri yekudzima-arc inofanirwa kuongororwa nguva nenguva musevhisi, nzira yacho ndeiyi: vhura Shanduko, shandisa magetsi frequency voltage ye42kV kune yakavhurwa mabreak, kana akaramba.
flash-over phenomena kutaridzika, iyo arc-kudzimisa kamuri inofanira kutsiviwa neitsva.