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.