5 Questions
How does a circuit breaker differ from a fuse?
It can be reset to resume normal operation
What is the basic function of a circuit breaker?
To interrupt current flow to protect equipment and prevent fire
What does the abbreviation OCPD stand for in relation to circuit breakers and fuses?
Over Current Protection Device
What was the purpose of an early form of circuit breaker described in Thomas Edison's 1879 patent application?
To protect lighting circuit wiring
What range of electrical circuits can circuit breakers be designed to protect?
From low-current circuits to high voltage circuits feeding an entire city
Test your knowledge of electrical safety with this quiz on circuit breakers. Learn about the functions and operation of circuit breakers, and how they differ from fuses in protecting electrical circuits from overcurrent.
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