Books & reference materials

Electrical Helps store

Find the code book and study references that fit your work. Explore books and study materials on Amazon. Check the edition and seller details before ordering.

Illustrated electrical books and workbench tools

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NFPA 70E — 2027 EditionWorkplace safety

NFPA 70E — 2027 Edition

Standard for Electrical Safety in the Workplace. The supplied cover shows the 2027 edition; confirm the edition required for your workplace before ordering.

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2026 NEC — SoftboundCode books

2026 NEC — Softbound

NFPA 70, National Electrical Code, 2026 softbound edition. Confirm the edition required by your jurisdiction or exam; our practice exams use the 2023 NEC.

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Ugly’s Electrical References — 2026 EditionQuick reference

Ugly’s Electrical References — 2026 Edition

Electrical formulas, tables, and field reference material by Charles R. Miller and Daniel Sandefur. The pictured book is the 2026 edition; our practice exams use the 2023 NEC.

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Tom Henry’s Key Word Index — 2026 NECCode navigation

Tom Henry’s Key Word Index — 2026 NEC

A keyword index for navigating the National Electrical Code. The pictured edition is based on the 2026 NEC; our practice exams use the 2023 NEC. Choose the edition required for your work or exam.

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2026 NEC code book tabsStudy accessories

2026 NEC code book tabs

Index tabs for navigating the 2026 National Electrical Code. Confirm compatibility with your book and your exam’s rules before ordering.

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2026 NEC HandbookReference

2026 NEC Handbook

National Electrical Code Handbook, 2026 edition. Choose the edition required for your work or exam; our practice exams are based on the 2023 NEC.

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Journeyman Electrician Exam Prep — 2026 NECPractice

Journeyman Electrician Exam Prep — 2026 NEC

Daniel Harper’s second-edition study guide, covering code review, practice tests, load calculations, and real-world examples. This book covers the 2026 NEC; our online practice exams use the 2023 NEC.

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2023 Electrical Formulas & Calculations Quick-CardStudy tools

2023 Electrical Formulas & Calculations Quick-Card

Builder’s Book quick-reference guide based on the 2023 NEC, covering electrical formulas, AC/DC calculations, and voltage drop.

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2026 NEC — Pre-tabbed Code BookCode books

2026 NEC — Pre-tabbed Code Book

The 2026 National Electrical Code (NFPA 70) with tabs already installed for easier navigation. Confirm your required code edition and permitted exam materials before ordering; our online practice exams use the 2023 NEC.

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