- Types and ratings - Identify the types, classification, and applications. Be able to understand the differences between air, oil, vacuum, and gas insulated construction. Be able to define voltage class, interruption, basic impulse level, fault close, and other ratings.
- The Basics of Circuit Breakers Some circuit breakers provide only short circuit protection, but most circuit breakers provide protection against short circuits and overloads, and some circuit breakers provide protection against three types of overcurrent.
- Glossary of Circuit Breaker Terms Quick reference of important circuit breaker terms and acronyms.
- Circuit Breaker Introduction Circuit breakers are made in varying sizes, from small devices that protect an individual household appliance up to large switchgear designed to protect high voltage circuits feeding an entire city.
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