Ziziphi ii-breakers, iiswitshi zokulayisha kunye nezixhumi? Kucingelwa ukuba uninzi lwabasebenzi bombane bacace gca. Kodwa xa kufikwa kumahluko kunye nesicelo phakathi kwabaphuli beesekethe, ukutshintshwa komthwalo kunye nokuqhawula, abasebenzi abaninzi bombane banokwazi enye kodwa kungekhona enye, kwaye kwabanye abaqalayo bombane, abazi nokuba babuze ntoni. Sonke siyazi ukuba i-circuit breaker inokuvala, ithwale kwaye iphule ikhoyo ngoku phantsi kweemeko zesekethe eziqhelekileyo, kwaye inokuvala, ithwale kwaye iphule ikhoyo ngoku phantsi kweemeko zesiphaluka ezingaqhelekanga (kubandakanywa neemeko ezimfutshane) ngaphakathi kwexesha elithile.