Featuring the latest industry standards and procedures, longtime market leader ELECTRICAL WIRING RESIDENTIAL, Twentieth Edition, provides comprehensive, authoritative coverage of the 2020 National Electrical Code® (NEC®), as well as a thorough grounding in essential electrical theory and applications. Drawing on decades of industry and classroom experience, the authors guide students step-by-step through the critical tasks and responsibilities required of todays professional electricians in both new construction and existing homes. Extremely reader-friendly, the text offers detailed explanations without being overly technical, and content clearly relates the NEC to real-world installation processes. Vivid Illustrations coordinate with the latest NEC regulations to provide further clarity, and foldout plans at the back of the text give students hands-on practice applying code requirements.