Which of the following is an electrical component that opens a circuit and stops the flow of electricity when the current reaches unsafe levels?
A. Fuses
B. Transformer
C. Circuit breaker
D. Motor control center
A. Incorrect. A fuse is a device used to protect equipment and electrical wiring from overcurrent.
B. Incorrect. A transformer is an electrical device that takes electricity of one voltage and changes it into another voltage.
C. Correct. A circuit breaker is an electrical component that opens a circuit and stops the flow of electricity when the current reaches unsafe levels.
D. Incorrect. Motor control centers are enclosures that house the equipment for motor control.
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