Izi angagwiritsidwe ntchito m'nyumba dongosolo 50Hz ndi oveteredwa voteji 12kV. Ikhoza kuthyola vuto lililonse pakati pa fuse yomwe ikusungunuka ndi nthawi yopuma, ilinso ndi fuse yomwe siilipo malire achitetezo ang'onoang'ono, chitetezo chokwanira chingapezeke.