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2026 NEC Updates — What Changed and When It Takes Effect

The 2026 National Electrical Code (NEC) introduces significant changes to load calculations, EVSE requirements, Power Control Systems, and code organization. This page tracks state adoption timelines and explains the most important changes for journeyman and master electrician exam candidates.

Key 2026 NEC Changes

Article 120 (formerly Article 220): Load calculation rules moved from Article 220 to the new Article 120. [Source: 2026 NEC Article 120]
Lighting load factor reduced: From 3 VA to 2 VA per square foot for LED-dominant installations. [Source: 2026 NEC 120.5]
EVSE demand factors: New demand factors added for electric vehicle charging equipment in existing dwellings. [Source: 2026 NEC 625]
Power Control Systems (PCS): New Article 710 covers interactive systems including solar PV, battery storage, and EV charging. [Source: 2026 NEC Article 710]
Continuous load wording updated: Clarified language for 125% sizing requirement on continuous loads. [Source: 2026 NEC 210.20]

State Adoption Timeline

Texas electrician examinations reference the 2026 NEC effective September 1, 2026. Other states are on varying schedules — check the state licensing board and candidate bulletin for the current adopted edition. [Source: TDLR]

Impact on Exam Candidates

Candidates in states that have adopted the 2026 NEC must use the 2026 codebook on their exam. The renumbering of Article 220 to Article 120 is the most disorienting change — all load calculation index entries now point to Article 120 instead of Article 220.

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