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Module: Circuit Breakers
Circuit Breakers

Electrical circuits and components are rated to withstand a certain amount of current flow. Excessive current in a circuit results in overheating and destruction of components. Various protective methods are used by establishing a weaker link in the circuit that will fail before overheating occurs. A commonly used protective device is the circuit breaker.

This module takes 30 minutes to complete. At the end of this module, you must obtain an 80% or higher on the Test Your Knowledge for it to be marked as complete. You have unlimited attempts and the highest attempt is recorded.