Learn electrical engineering concepts step by step — from basic electricity to complete house wiring systems.
Understand what electricity is and how it powers your home.
Learn what electric current is and how it determines wire size and safety.
Understand voltage and how it pushes current through electrical circuits.
Understand the difference between alternating current and direct current.
Learn how watt, kilowatt and horsepower relate to electrical load.
Understand the difference between single-phase and three-phase power systems.
