Hongu, iyo huni posvo insulator yakakodzera kuvaka iri nyore magetsi fenzi, zviri nyore kwazvo kumisikidza huni posvo insulator mukati mehuni posvo, uyezve kurongedza iyo polywire, waya kune yehuni post insulator, kuvaka iyo pasi system uye batanidza kune iyo inosimbisa, yakapusa fenzi yemagetsi yakagadzirira kushandiswa.

Kune yehuni post insulator, pane maviri mhando, Type A uye Type C
Type A huni posvo insulator ine yakatwasuka rutsigiro musimboti mukati. iyi mhando yehupfumi, iyo huremu huremu hwakatenderedza 18g.
Type C huni posvo insulator iri pamwe nekuenderera mberi kwekutsigira moyo mukati. izvi zvinogara kwenguva refu, huremu hwemambure hwakatenderedza 25g.

Nyora A Wood Post Insulator:

Type C Wood Post Insulator: