Continuing Education

Theory 2: Electrical Circuits, Systems, and Protection

Theory 2 Electrical Circuits Systems and Protection Online - ETOL2

With this interactive and easy-to-use online course you’ll learn how a fuse differs from a circuit breaker, how to select a circuit breaker, and what makes it work. You’ll understand the role of circuit overcurrent protection in clearing ground faults and some critical facts about grounding. This course covers:

Series Circuits • Parallel Circuits • Series-Parallel Circuits • Multiwire Circuits • The Electrical System • Protection Devices
and much more…

This is part 2 in a series of 3 online courses that cover electrical theory based on Mike Holt’s Basic Electrical Theory Book

This course is available 24/7. Complete it at your own pace! Click here to see how this course works.


*This course is approved for CEUs in multiple states, view the list here Or you can request a quote for a customized course plan to meet your multiple state requirements.


Product Code: ETOL2
Price: $89.00


This course is accessible on desktop computers or mobile devices. Internet Explorer is not supported.

Verify this Program is Approved by your State Board.