Dace da rufi na daban-daban juriya sassa.Kamar iskan haɗin haɗin waya, gyaran lalacewar insulation, kariya ga injina daban-daban da sassa na lantarki kamar su masu canza wuta, injina, capacitors, masu sarrafa wutar lantarki.Hakanan za'a iya amfani dashi don haɗawa, gyare-gyare, haɗuwa, gyarawa, rufewa da kariya a cikin tsarin masana'antu.