Master the latest industry standards and procedures with proven industry leader Mullin/Simmons/ Vigstol's ELECTRICAL WIRING RESIDENTIAL, 21st Edition. In addition to comprehensive, authoritative coverage of the 2023 NFPA 70�: National Electrical Code� (NEC�), this trusted text gives you a thorough grounding in essential electrical theory and applications. Drawing on decades of industry and classroom experience, the authors guide you step-by-step through the critical tasks and responsibilities you can expect as a professional electrician in both new construction and existing homes....