A circuit breaker is a switch that cuts the power when too much current flows. Reset the circuit breaker.
It replaced the wire fuse, and it can be switched back on rather than replaced. A circuit breaker protects the wiring in the wall, not the appliance plugged into it.
1nouncircuit breakerA switch that cuts the power when too much current flows.
“The circuit breaker went every time the kettle and the toaster ran together.”
circuit breaker is a switch.
Practised in Tools & DIY