Glossary “circuit breaker” Definition:
Electrical switch-like protective device that automatically opens to interrupt the circuit if current exceeds its rated limit. Some types automatically reset, while others may require a manual reset.

Glossary “circuit resistance test” Definition:
Tests that check the resistance in the ground and insulted circuit by measuring voltage drop.

Glossary “circuit protection” Definition:
Circuit that uses fuses, breakers, or fusible links to protect it from excessive current flow.

Glossary “circuit board” Definition:
Term used for printed circuit board.