Ƙirƙirar wani nau'i mai rikitarwa na wannan jumla Bushings wani lokaci yakan kasa saboda lalacewar lalacewa a cikin insulation.
Tabbas, wani nau'i mai rikitarwa na jumla shine "Bushings wani lokaci yakan kasa kasawa saboda lalacewar lalacewar ɓoyewa a cikin shekaru masu yawa na sabis na makamashi kuma a halin yanzu babban sha'awa a cikin masana'antar samar da wutar lantarki a cikin saka idanu kan yanayin babban ƙarfin lantarki. "