ʻO ka bushing transformer kahi ʻano hoʻokaʻawale e hoʻomaʻalahi i ka hele ʻana o kahi alakaʻi uila i hoʻoikaika ʻia, e lawe ana i ke au ma o ka pahu honua o ka transformer. ʻO nā bushings i hoʻohana ʻia no ka wili haʻahaʻa haʻahaʻa o kahi transformer he ʻano paʻa pinepine me ka porcelain a i ʻole ka epoxy insulator.
ʻO kahi ʻūpā porcelain maʻamau he ʻano porcelain hakahaka e komo ana i loko o kahi lua i loko o ka paia a i ʻole ka hihia metala, e ʻae ana i kahi alakaʻi e hele ma waena o kona kikowaena, a hoʻopili ma nā wēlau ʻelua i nā lako ʻē aʻe. Hana pinepine ʻia nā ʻūpā o kēia ʻano me ka porcelain i puhi ʻia i ka pulu, a laila hoʻomālamalama ʻia.
Loaʻa iā mākou ka laina hana piha e komo pū ana me ka hale hoʻokolohua hoʻāʻo. a hiki ke hāʻawi i nā huahana e like me kāu mau koi.