Ucingo lobhedu olunameleli olusicaba lwahlukile kucingo lobhedu olungqukuva olunameleli.Ixinzelelwe kwisimo esicaba kwinqanaba lokuqala, kwaye emva koko ifakwe ngepeyinti ye-insulating, ngaloo ndlela iqinisekisa ukugquma okulungileyo kunye nokumelana nokubola kwendawo yocingo.Ngaphaya koko, xa kuthelekiswa nocingo olujikelezileyo lobhedu, ucingo olusicaba olunamelelisiweyo lukwanokuphumelela okukhulu kumthamo wangoku wokuthwala, isantya sothumelo, ukusebenza kokutshabalalisa ubushushu kunye nomthamo wendawo ekhoyo.
Umgangatho: NEMA, IEC60317,JISC3003,JISC3216 okanye ngokwezifiso