Definition of circuit breaker
: a switch that automatically interrupts the current of an overloaded electric circuit
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Recent Examples of circuit breaker from the Web
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In an effort to get the system back online, Ray reboots the power and journeys into the bowels of the park to flip the circuit breakers.
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And then an electrical issue, which tripped a circuit breaker and knocked out power to the cooler where his perishables are stored, forcing the business to close on a sunny Memorial Day, putting a dent in his holiday weekend.
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This circuit breaker is still in homes despite safety concerns A quick caveat for our methodology — if Google and Amazon gave us a complete, audio answer to the question, that counted as a successful response.
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Issues about Federal Pacific Electric's Stab-Lok circuit breakers were first raised decades ago with the Consumer Product Safety Commission.
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The fire also caused circuit breakers to flip on some nearby transformers, causing a small power outage in the neighborhood, Cokefair said.
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At Widespread Electrical Sales, the business is all about finding circuit breakers that no one is making anymore.
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Today, 80 years after it was built, the home's classic features benefit from modern updates including gas heat, central air conditioning and 200-amp circuit breakers.
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The additional jobs will include additional sales labor force in preparation for expanding its market exposure to high voltage circuit breakers, rotary machines and power distributors.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'circuit breaker.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of circuit breaker
1872
CIRCUIT BREAKER Defined for English Language Learners
circuit breaker
Definition of circuit breaker for English Language Learners
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: a switch that automatically stops the flow of electricity to a place or device if the current becomes too strong or another dangerous problem occurs
CIRCUIT BREAKER Defined for Kids
circuit breaker
Definition of circuit breaker for Students
: a switch that automatically stops the flow of electric current if a circuit becomes overloaded
Learn More about circuit breaker
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See words that rhyme with circuit breaker Britannica.com: Encyclopedia article about circuit breaker
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