
Ukuvikelwa komthwalo oweqile kuyisici ezinhlelweni zikagesi esivimbela umonakalo noma ukwehluleka ngenxa yokugeleza kwamandla kagesi okweqile. Ngokuvamile kusebenza ngokuphazamisa ukugeleza kukagesi uma kudlula izinga eliphephile, kungaba ngokushaya ifuse noma ukukhubeka kwe-circuit breaker. Lokhu kusiza ukuvimbela ukushisa ngokweqile, umlilo, noma umonakalo ezingxenyeni zikagesi ezingase zibangelwe ukugeleza kwamandla kagesi okweqile. Ukuvikelwa komthwalo oweqile kuyisilinganiso sokuphepha esibalulekile ekwakhiweni kwesistimu kagesi futhi kuvame ukutholakala kumadivayisi afana nama-switchboard, ama-circuit breaker kanye nama-fuse.
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