Online CEU Courses for Plumbers, Electricians & HVAC Techs

Understanding Electrical Diagrams – 4hrs

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Course Access: You have 60 days to complete this course

Fully Illustrated – No Code Book Needed

An advanced course for those that really wish to understand in detail electrical wiring diagrams. The course starts with a review of basic circuits then advances into details on 60 electrical symbols and components. Lastly, the course finishes with a step-by-step construction of electrical furnaces, gas furnaces, electrical water heaters and ends with a gas boiler with all of the common safety that you will find on most commercial hot water boiler systems. This course will help an tradesman understand the electrical systems and circuits that are commonly used in today’s work surroundings.


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