Ugly’s Electrical References, 2023 Edition

ABOUT THE BOOK

Ugly’s Electrical References, 2023 Edition is a practical, field-oriented handbook designed to provide electricians and electrical professionals with quick access to essential technical information, calculations, diagrams, and code-related references. Published by Jones & Bartlett Learning, this seventh edition is updated to reflect changes introduced in the 2023 National Electrical Code (NEC), making it a useful resource for everyday electrical work, installation planning, troubleshooting, and professional training.

The book brings together a wide range of commonly required electrical information in a compact and easy-to-navigate format. It includes mathematical formulas, National Electrical Manufacturers Association (NEMA) wiring configurations, conduit bending guides, conductor ampacity information, conduit fill tables, transformer calculations, control circuit wiring diagrams, and electrical conversion tables. These resources help readers perform calculations, understand wiring arrangements, and make informed decisions during electrical installations and maintenance.

This edition expands and updates coverage of several important technical areas, including full-load currents for three-phase transformers, the maximum number of conductors permitted in larger electrical metallic tubing sizes, equipment grounding conductors, and general lighting loads for non-dwelling occupancies. The updated NEC information and reference tables help professionals work with current electrical requirements and industry practices.

With its practical layout and collection of essential reference materials, Ugly’s Electrical References, 2023 Edition is particularly valuable for electricians, electrical apprentices, contractors, maintenance technicians, engineering students, and instructors. It can be used on job sites, in workshops, classrooms, and during electrical certification or licensing exam preparation.

Combining technical accuracy with convenient accessibility, this handbook serves as a dependable everyday reference for understanding electrical systems, performing common calculations, and supporting safe and efficient electrical work.

ABOUT THE AUTHOR

Charles R. Miller is an experienced electrical industry professional, educator, author, and electrical code specialist. For 18 years, he owned and operated Lighthouse Electric Co., Inc., a commercial electrical contracting company based in Nashville, Tennessee. His extensive experience in the electrical contracting industry has given him practical knowledge of electrical installations, industry standards, and the everyday challenges faced by electricians.

In 1988, Miller established Lighthouse Educational Services, a company dedicated to electrical training and professional education. He regularly teaches classes and conducts seminars covering various aspects of the electrical industry, particularly the National Electrical Code (NEC) and electrical safety. His training programs have served professionals from major organizations and educational institutions.

Miller is also the author and illustrator of several respected electrical reference publications. In 1999, he wrote and illustrated Illustrated Guide to the National Electrical Code, followed by two pocket guides to the NEC commissioned by the National Fire Protection Association (NFPA) in 2001. He also contributed the monthly "Code in Focus" column to Electrical Contractor magazine for 19 years.

Through his writing, teaching, and professional experience, Charles R. Miller has become a recognized contributor to electrical education, helping electricians, apprentices, instructors, and industry professionals understand electrical codes, technical calculations, and safe installation practices.