Chitetezo chochulukirachulukira ndi gawo lamakina amagetsi omwe amalepheretsa kuwonongeka kapena kulephera chifukwa chakuyenda kwambiri. Nthawi zambiri imagwira ntchito posokoneza kayendedwe ka magetsi ikadutsa mulingo wotetezeka, mwina powombera fuse kapena kugwetsa chodulira. Izi zimathandiza kupewa kutenthedwa, moto, kapena kuwonongeka kwa zida zamagetsi zomwe zingabwere chifukwa chakuyenda kwambiri. Chitetezo chochulukirachulukira ndi njira yofunika kwambiri yachitetezo pamapangidwe amagetsi ndipo nthawi zambiri imapezeka muzipangizo monga ma switchboards, ma circuit breakers ndi fuse.
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