st-selling wiring manual, Ultimate Guide: Wiring, 9th Edition demystifies home wiring and residential electrical systems with easy-to-understand language, step-by-step photography, and detailed illustrations. Homeowners and DIYers will learn how their home's electrical system works from the inside out and how to complete installations and repairs. This project-based book shows how to select the right cable, wires, and other equipment, and how to run wiring through walls and between floors. Projects guide the reader through installing switches, outlet receptacles, electrical appliances, and lighting systems. The book also shows how outdoor lighting, including security and low-voltage systems, can help homeowners improve and illuminate the exterior areas around their homes. This most recent edition has been updated with the latest information on everything from recent code standards and smart home automation to renewable energy, LED wafer lighting, dimmer switches, new indoor and outdoor emergency systems, and more.