Introduction
The National Electrical Code updates on a three-year cycle, and the NEC 2026 edition is on the horizon. For licensed electricians, contractors, and inspectors, staying ahead of code changes isn't just good practice it's a professional requirement. Jurisdictions across the US are actively adopting NEC 2023, and NEC 2026 adoption will follow.
In this post, we break down what changed between NEC 2023 and what electricians should expect from NEC 2026 and why now is the time to make sure you have the current code on your shelf.
Why Code Cycles Matter
The NFPA publishes a new NEC edition every three years. Each cycle introduces new requirements driven by emerging technologies, safety data, and industry feedback. Jurisdictions adopt new editions at their own pace, so knowing which edition applies in your area is critical for every job.
Key Changes in NEC 2023 (The Current Standard)
1. EV Charging Infrastructure
NEC 2023 introduced significant updates to Article 625, expanding requirements for electric vehicle charging systems in residential, commercial, and industrial settings — reflecting the rapid growth of EV adoption across the US.
2. Energy Storage Systems (ESS)
Article 706 was substantially revised to address battery-based energy storage systems, including new installation, spacing, and protection requirements for residential and commercial ESS.
3. Ground Fault and Arc Fault Protection Expansions
GFCI and AFCI protection requirements were expanded to cover additional areas of residential and commercial buildings, increasing safety standards across the board.
4. Solar Photovoltaic Systems
Article 690 received updates addressing rapid shutdown requirements, system labeling, and installation standards for rooftop and ground-mounted PV systems.
What to Expect from NEC 2026
While the full NEC 2026 text is still being finalized through the NFPA standards development process, anticipated focus areas include expanded EV infrastructure requirements, updated energy storage provisions, and further refinements to renewable energy system installations. Electricians should monitor NFPA's public input and comment periods to stay ahead of changes.
How to Prepare Now
The best preparation is mastering NEC 2023 before your jurisdiction adopts NEC 2026. Understanding the 2023 changes deeply will make the 2026 transition significantly easier. Start with the NEC 2023 code book and handbook, and supplement with the NEC 2023 + Ugly's bundle for quick on-site reference.
Shop NEC 2023 at Books Harbour
- NEC 2023 Spiral-Bound (NFPA 70)
- NEC 2023 Handbook — Hardcover
- NEC 2023 Paperback + Ugly's Electrical References Bundle
