0.4kv Ifarashi yo kubika, 53-1Imashini itanga ibikoresho ifite inyubako zirenga ebyiri.Kiyobora ihambiriye hagati yinyubako zo hejuru no hepfo, kandi hagati irasobekeranye.Ihujwe neza nu kuboko kwambukiranya cyangwa gucamo imisumari.