Why does an electric circuit breaker blow?

Answer Electric circuit breakers are protection devices, designed to interrupt the flow of electricity when certain electrical faults occur. Knowing why circuit breakers blow can help prevent needless int... Read More »

Top Q&A For: Why does an electric circuit breaker blow

What does red mean on the circuit breaker in my electric panel?

Red on a circuit breaker in your electric panel means that a circuit breaker has been tripped. To prevent fires or damage, electrical circuit breakers automatically trip and shut off when a circuit... Read More »

How many circuit breakers are in a circuit breaker panel?

The number of circuit breakers in a circuit breaker panel is determined by the expected need of all appliances and outlets in the house. It is recommended that more breakers be installed than you'... Read More »

What Does It Mean to Trip a Circuit Breaker?

A circuit breaker automatically trips, or shuts off, when it is overloaded with power. When the wires become too hot, they pose a fire hazard, so the circuit breaker is programmed to sense the extr... Read More »

You plug a vacuum cleaner into a 110-V outlet with nothing else on the circuit If the 15-A circuit breaker is tripped. what is the maximum possible resistance of the vacuum's motor?