Offering the most up-to-date coverage available, ELECTRICITY AND CONTROLS FOR HVAC-R, 7e emphasizes the basics as it equips you with the information needed to work effectively with all types of motors and control devices found in the heating and air-conditioning industry. Extremely student friendly, the text requires no prior knowledge of electricity. It begins with discussions of essential basic electricity and electrical circuits concepts--ensuring thorough understanding before advancing to other topics. In addition, detailed schematic diagrams and step-by-step troubleshooting procedures highlight all of the different types of circuits commonly encountered in the HVAC-R field. The Seventh Edition is packed with vibrant photos, engaging illustrations, and coverage of the latest technology and developments from the field. It also reflects the current National Electrical Coder requirements.