This course is designed to familiarize participants with basic concepts associated with the operation of transformers, circuit breakers, and various types of switches. After completing this course, participants should be able to explain the basic principles of transformer operation, identify some of the basic components of a transformer, and describe checks that are generally made during a transformer inspection. They should also be able to describe the general operation of a circuit breaker, explain how to reset a tripped circuit breaker and how to rack out a circuit breaker, and describe the basic operation of pushbutton switches and rotary switches.
