NFPA 70, National Electrical Code (NEC) Handbook 2026

The NFPA 70, National Electrical Code (NEC) Handbook is currently the most comprehensive and useful tool available for electrical design and installation. It includes the full text of the latest edition of the National Electrical Code, along with a variety of supplementary features that offer clarification and practical guidance on how to apply the code effectively.

Only the NEC Handbook, 2026 edition, offers:

• Integrated expert commentary positioned in line with NEC text.
• Summary of Technical Changes table demonstrating where and why code changes occurred between editions.
• A cross-reference feature to help you quickly find related information in other articles or sections.1
• Calculation examples that provide scenarios showing how certain requirements can be applied.