Amazon.com description: Product Description: A companion to the RCA Electrical Principles text, the RCA Electrical Principles Video Series introduces the viewer to electrical theory and its applications through an overview of important concepts, equations, and practical examples. The series contains a set of eight, 20-minute videos, covering direct and alternating current, as well as an introduction to Single Phase Motors. Full-color graphics and animations illustrate important concepts, creating a visually appealing presentation that is easy to follow and understand. Create a direct link between your education/training program and the construction industry! For the first time, textbooks are available for many of the residential crafts - including carpentry, electrical, HVAC, plumbing and facilities maintenance - that are based on national standards developed by the nation's leading builders and remodelers. The result of a strategic partnership between the Home Builders Institute (HBI) of the National Association of Home Builders and Delmar Learning, this new series from the Residential Construction Academy is the perfect way to introduce people of all ages to the building trades while guiding them to development of essential workplace skills. Ideal for use in vocational programs, workforce development programs, professional associations, and trade unions, all materials are based on national standards set by the construction industry. As a result, they are sure to develop a workforce that is skilled, knowledgeable, and able to meet the needs of the contractors who are hiring trades people today and well into the future. Program review, and certification, plus a national registry of students who have successfully completed units of instruction, are also available to participants in this exciting, new program.