ee, anyị nwere ihe nkedo dị iche iche na ndị na -egbochi ngere eletriki, ihe nkedo na ihe mkpuchi eletriki nwere eriri, a ga -etinye ya n’ime osisi site na ngwa mkpọpu, wee tinye polywire, waya, polyrope, polytape na nkedo na ngere eletriki. insulators, ọ dị mfe iwu nsu eletrik.