This electrical fundamentals training book is divided into five manageable, self-study modules to aid in understanding electrical systems as applied to mobile heavy equipment. The modules have been created to help understand the peculiarities of electrical systems on mobile construction equipment. Includes in-depth video, workbook and test. The electrical construction book's five modules are: Principles of Electricity, Measurements of Electricity, Electrical Components, Troubleshooting & Testing, Electrical Circuits.