Electrical Theory & Application Part 1: What is Electricity

This lesson dives into electrical fundamentals, covering atomic structure, electrical terms, and laws. You’ll learn to measure voltage, current, and resistance, calculate impedance, and recognize key electrical symbols, while gaining a solid understanding of electrical theory & practical uses.

This lesson provides detailed text and images as well as video lecture to aid in comprehension of the materials.

End of lesson review questions will test your comprehension of the materials presented in the course.

This module is available as part of the Electrical Theory & Application for HVACR Course.

This course is also available as part of an ESCO subscription.  Click here to find out more!