NFPA 70, National Electrical Code (NEC) 2026

Stay current with the code the electrical industry depends on to address today’s evolving electrical hazards, technologies, and installation practices with NFPA 70®, National Electrical Code® (NEC®).

The NEC is the authoritative code governing electrical installations in residential, commercial, and industrial occupancies. Revised every three years, NFPA 70 helps keep pace with changing industry practices, emerging technologies, renewable energy systems, energy storage, and modern electrical safety challenges.

The code provides comprehensive requirements for electrical design, installation, inspection, and maintenance, making it an essential resource for designers, installers, inspectors, engineers, electricians, contractors, and authorities having jurisdiction (AHJs). Organized for ease of use, the NEC helps professionals improve electrical safety, reduce hazards, and support code-compliant installations across a wide range of applications.

Highlights

Key updates and changes in the 2026 edition of NFPA 70®, National Electrical Code® (NEC®) include:

• Addition of new articles in Chapter 2, including the separation of code articles addressing 1000 Volts AC and 1500 Volts DC systems
• Reorganization of articles and sections for a more user-friendly layout and improved ease of use
• Removal of redundancies and improved correlation of terminology throughout the NEC to enhance clarity and usability
• Removal of the stand-alone status of Chapter 8, allowing Chapters 1 through 4 to generally apply to Chapter 8 installations
• Adjustments to demand factors and load calculations reflecting increased energy efficiencies
• Addition of new Article 750, Grounding and Bonding of Limited Energy Systems
• Addition of new Informative Annex L, Proposed Organization of the 2029 National Electrical Code, helping users prepare for likely future structural changes to the code
  

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