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Definition of "Circuit Breaker(s)" |
A safety device designed to automatically stop the flow of electricity whenever a circuit becomes overloaded, i.e. exceeds the number of amps that the wiring can accommodate. Branch circuits usually have 20-amp breakers (15-amp breakers in Canada). The maximum continuous load on a circuit breaker is permitted to be 80% (16 amps) of the rating, which prevents unnecessary power interruptions caused by operation too close to 100% capacity. |
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