Transformer bushing ke sebopeho se sirelletsang se nolofaletsang ho feta ha conductor e matla, e tsamaisang hona joale ka tanka e theohileng ea transformer. Lihlahla tse sebelisoang bakeng sa moea o tlase oa motlakase oa transformer hangata ke mofuta o tiileng o nang le porcelain kapa epoxy insulator.
Porcelain bushing ea motheo ke sebopeho sa porcelain se sekoti se kenang ka lesoba leboteng kapa mokotla oa tšepe, o lumellang conductor hore a fete bohareng ba eona, ebe o hokela lipheletsong tse peli ho lisebelisoa tse ling. Lihlahla tsa mofuta ona hangata li entsoe ka porcelain e chesitsoeng ka metsi, ebe e benya.

Re na le mohala o felletseng oa tlhahiso ho kenyeletsoa lab ea liteko. mme e ka fana ka lihlahisoa ho latela litlhoko tsa hau.