Electrical Wiring Residential,
20th Edition

Ray C. Mullin, Phil Simmons

ISBN-13: 9780357425688
Copyright 2021 | Published
848 pages | List Price: USD $190.95

Master the latest industry standards and procedures with longtime market leader ELECTRICAL WIRING RESIDENTIAL, Twentieth Edition. In addition to comprehensive, authoritative coverage of the 2020 National Electrical Code® (NEC®), this trusted text will give 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. Extremely reader-friendly, the text offers detailed explanations without being overly technical, and content clearly relates the NEC to real-world installation processes used by today’s professionals. Vivid Illustrations coordinate with the latest NEC regulations to provide further clarity, and foldout plans at the back of the text provide hands-on practice applying code requirements to prepare you for career success.


1. General Information for Electrical Installations.
2. Specifications, Electrical Symbols, and Outlets.
3. Determining the Required Number of Branch Circuits, Lighting Outlets, and Receptacle Outlets.
4. Conductor Sizes and Types, Wiring Methods, Wire Connections and Voltage Drop.
5. Conductor Identification, Switch Control of Lighting Circuits, Bonding/Grounding of Wiring Devices, and Induction Heating.
6. Ground-Fault Circuit Interrupters, Arc-Fault Circuit Interrupters, Surge Protective Devices, Immersion Detection Circuit Interrupters, and Appliance Leakage Current Interrupters.
7. Luminaires, Ballasts, and Lamps.
8. Lighting Branch Circuit for the Front Bedroom.
9. Lighting Branch Circuit for the Master Bedroom.
10. Lighting Branch Circuit—Bathrooms, Hallway.
11. Lighting Branch Circuit—Front Entry, Porch, Post Light, Underground Wiring.
12. Lighting Branch Circuit and Small-Appliance Circuits for the Kitchen.
13. Lighting Branch Circuit for the Living Room.
14. Lighting Branch Circuit for the Study/Bedroom.
15. Dryer Outlet, Lighting, and Receptacle Circuits for the Laundry, Powder Room, Rear Entry Hall, and Attic.
16. Branch Circuits for the Garage and Outdoors.
17. Recreation Room.
18. Lighting Branch Circuit, Receptacle Circuits for Workshop.
19. Special-Purpose Outlets—Water Pump, Water Heater.
20. Special-Purpose Outlets for Ranges, Counter-Mounted Cooking Unit, and Wall-Mounted Oven.
21. Special-Purpose Outlets—Food Waste Disposer, Dishwasher.
22. Special-Purpose Outlets for the Bathroom Ceiling Heat/Vent/Lights, the Attic Fan, and the Hydromassage Tub.
23. Special-Purpose Outlets—Electric Heating, Air Conditioning.
24. Gas and Oil Central Heating Systems.
25. Television, Telephone, and Low-Voltage Signal Systems.
26. Smoke, Heat, and Carbon Monoxide Alarms, and Security Systems.
27. Feeder and Service-Entrance Calculations.
28. Feeders and Service-Entrance Equipment.
29. Overcurrent Protection—Fuses and Circuit Breakers.
30. Swimming Pools, Spas, Hot Tubs, and Hydromassage Baths.
31. Wiring for the Future: Home Automation Systems.
32. Standby Power Systems.
33. Residential Utility—Interactive Photovoltaic Systems.
Specifications for Electrical Work—Single-Family Dwelling.
Appendix A: Specification for Electrical Work—Single-Family Dwelling.
Appendix B: Schedule of Special-Purpose Outlets.
Appendix C: Useful Formulas.
Appendix D: Metric System of Measurement.
Appendix E: Standard Symbols.
Appendix F: Single-Family Dwelling Service-Entrance Calculations (Standard).
Appendix G: AFCI/GFCI Check-Off List.
Code Index.
Subject Index.
Plans for Single-Family Dwelling.
Sheet 1 of 9: Foundation/Basement Plan.
Sheet 2 of 9: First Floor Plan.
Sheet 3 of 9: South Elevation & Window/Door Schedule.
Sheet 4 of 9: East Elevation & Interior Elevations.
Sheet 5 of 9: North Elevation & Plot Plan.
Sheet 6 of 9: West Elevation & Electrical Schedules.
Sheet 7 of 9: Cross-Section A-A.
Sheet 8 of 9: Basement Electrical Plan.
Sheet 9 of 9: First Floor Electrical Plan.
Blank Floor Plan: First Floor Electrical.
Blank Floor Plan: Basement Electrical.

  • Ray C. Mullin

    Ray C. Mullin is a former electrical instructor for the Wisconsin Schools of Vocational, Technical and Adult Education. Prior to his retirement, he served as district manager, regional manager, regional vice president and ultimately director technical liaison for a major electrical manufacturer. He also served on the National Fire Protection Association (NFPA) Code Making Panel 4 of the National Electrical Code® (NEC®). A former journeyman and supervisor for residential, commercial and industrial installations, Mr. Mullin has taught electrical apprentice and journeyman courses, conducted numerous technical and code seminars, written many articles for electrical trade publications and consulted for electrical equipment manufacturers on legal issues. He is also a former member of the Executive Board of the Western Section of the International Association of Electrical Inspectors and a member of the Institute of Electrical and Electronic Engineers and NFPA, Electrical Section. Mr. Mullin attended the University of Wisconsin, Milwaukee School of Engineering, and Colorado State University.

  • Phil Simmons

    Phil Simmons is the founder of Simmons Electrical Services, where he consults on the National Electrical Code® (NEC®) and other codes. He also writes, edits, illustrates and produces technical publications, and he previously provided plan review of electrical construction documents and inspection of complex electrical installations. In addition to developing training programs related to electrical codes and safety, Mr. Simmons has presented on these subjects at numerous seminars and conferences for universities, the National Fire Protection Association (NFPA), the International Association of Electrical Inspectors (IAEI), the U.S. Department of Defense and private clients. The author and illustrator of numerous textbooks on electrical topics, he has consulted on several lawsuits involving electrical injury and property damage. Mr. Simmons serves NFPA on Code Making Panel 5 of the NEC Committee (grounding and bonding), and he previously served on several other Code Making Panels, the NFPA Standards Council, the NEC Technical Correlating Committee, the IAEI and Underwriters Laboratories. He is a retired member of the International Brotherhood of Electrical Workers.

  • This textbook offers a unique, comprehensive approach to electrical education, with the first seven chapters focusing on essential concepts such as general requirements, safety, specifications, electrical symbols and outlets.

  • Later chapters cover progressively advanced topics, delivering comprehensive coverage of requirements for branch circuits, lighting and receptacle outlets; determining the correct conductor sizes, wiring methods and voltage drop; and identifying conductors, switch control of lighting equipment, grounding wiring devices and avoiding induction heating.

  • With a highly practical focus to prepare students for career success, the text covers how to read blueprints and lay out wiring for a dwelling, and foldout plans are included to provide hands-on practice applying code requirements.

  • The authors strongly emphasize workplace safety throughout the text, which includes thorough coverage of GFCIs, AFCIs, surge protection devices, immersion detection, leakage detection and key information and standards from the Occupational Safety and Health Administration (OSHA) and the National Institute for Occupational Safety and Health (NIOSH).

  • After introducing students to luminaires, ballasts and lamps, the text provides detailed information on how to approach wiring for each room of a dwelling.

  • The text teaches students both recognized methods of calculating electrical load on feeders and services, as well as rules relevant to service installation and surge protection that are new or revised in the 2020 NEC®.

  • The text covers new or updated wiring requirements, including those for peninsular and island counterspaces in kitchens, which have changed significantly, and wiring for receptacle outlets in an attached or detached garage with electric power, which may now supply outside outlets in a limited way (per NEC 210.52(G)(1)).

  • A Code Cross-Index makes it easy for students to reference specific content and code requirements, drawing useful connections among fundamental concepts, practical applications and current industry standards and requirements.

  • Reflecting current trends and technology in today’s industry, the authors devote an entire chapter to solar photovoltaic systems.

  • Drawing on decades of professional and educational experience, the authors include practical, real-world examples throughout the text to help illustrate key calculations and reinforce important concepts.

  • The text features both metric and English measurements to appeal to students of all backgrounds and prepare them for professional practice in diverse settings.

  • Expansive coverage of safety in the workplace from the Occupational Safety and Health Administration (OSHA) and the National Institute for Occupational Safety and Health (NIOSH) encourages students to keep safety in mind at every step.

Cengage provides a range of supplements that are updated in coordination with the main title selection. For more information about these supplements, contact your Learning Consultant.

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