Featuring the latest industry standards and procedures, longtime market leader Mullin/Simmons/ Vigstol's ELECTRICAL WIRING RESIDENTIAL, 21st Edition, provides comprehensive, authoritative coverage of the 2023 NFPA 70®: National Electrical Code® (NEC®) and 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 today's professional electricians in both new construction and existing homes. Reader-friendly, ELECTRICAL WIRING RESIDENTIAL offers detailed explanations without being overly technical and 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.