How does a circuit breaker differ from a fuse?
a circuit breaker trips to break the circuit and may be reset, a fuse may not be reset
a circuit breaker gives no visual indication of having opened the circuit, a fuse universally does
a circuit breaker is enclosed in a tube of insulating material with metal ferrules at each end, a fuse is not
a circuit breaker melts and must be replaced, a fuse does neither
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