Final answer:
Circuit breakers are crucial electrical safety devices that interrupt current flow during overloads or faults, providing protection against fires and accidents.
Explanation:
Circuit breakers are electrical switches that interrupt the flow of current when there is an overload or fault in the circuit, acting as a safety mechanism in homes and buildings. Unlike fuses, circuit breakers can be reset after tripping, making them reusable. They are essential in preventing fires and electrical accidents by breaking the circuit in case of abnormalities in current flow.
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