Electrical Wiring Residential, 20th Edition by Ray C. Mullin and Phil Simmons

Electrical Wiring Residential, 20th Edition by Ray C. Mullin and Phil Simmons is a trusted resource for learning residential electrical wiring based on the 2020 National Electrical Code® (NEC®). Published by Cengage Learning, this edition provides comprehensive instruction on modern residential wiring practices, electrical installation techniques, safety requirements, and code compliance for aspiring and professional electricians.

Written in a clear, step-by-step format, the book combines electrical theory with practical applications to help readers understand residential electrical systems from planning through installation. It explains circuit design, conductor sizing, grounding, overcurrent protection, branch circuits, service equipment, lighting systems, and electrical troubleshooting using detailed illustrations and real-world examples.

The 20th Edition has been updated to reflect the latest 2020 NEC® requirements, making it an excellent resource for electrical training programs, apprenticeship courses, licensing preparation, and professional reference. Foldout residential blueprints and practical exercises help readers apply code requirements in realistic installation scenarios.

Whether you’re preparing for an electrician certification, studying electrical technology, or working in residential construction, this book provides the knowledge and practical guidance needed to perform safe and code-compliant electrical installations.