GDZG-300 yakatevedzana yeDC high voltage tester iri kuyedza DC yakakwira voltage ye zinc oxide lighting arrester, magnetic blowing arrester, tambo dzemagetsi, jenareta, transformers, switch, uye zvimwe midziyo, iyo inokodzera magetsi emagetsi bazi, simba redhipatimendi remafekitari, sainzi tsvakurudzo zvikamu, njanji, makemikari indasitiri, magetsi zvidyarwa.