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Compiled from official state licensing boards · Updated May 2026

NEC adoption by state (2026)

States adopt new editions of the National Electrical Code (NFPA 70) on their own schedule. Here’s which edition each state currently enforces — make sure your CE covers the right code year.

2023 NEC 27 states 2020 NEC 15 states 2017 NEC 7 states Not confirmed

Informational only — not legal advice, and not an official government resource. Licensing rules change; always confirm against the official board source linked on this page before you renew, apply, or make a business decision. Trade Cert Hub is independent and not affiliated with any state licensing board.

Every state’s current NEC edition

State NEC edition
Alabama 2023 NEC Details →
Alaska 2023 NEC Details →
Colorado 2023 NEC Details →
Connecticut 2023 NEC Details →
Idaho 2023 NEC Details →
Indiana 2023 NEC Details →
Iowa 2023 NEC Details →
Kentucky 2023 NEC Details →
Maine 2023 NEC Details →
Maryland 2023 NEC Details →
Massachusetts 2023 NEC Details →
Michigan 2023 NEC Details →
Minnesota 2023 NEC Details →
Montana 2023 NEC Details →
Nebraska 2023 NEC Details →
New Hampshire 2023 NEC Details →
New Jersey 2023 NEC Details →
North Dakota 2023 NEC Details →
Oregon 2023 NEC Details →
South Dakota 2023 NEC Details →
Texas 2023 NEC Details →
Utah 2023 NEC Details →
Vermont 2023 NEC Details →
Washington 2023 NEC Details →
West Virginia 2023 NEC Details →
Wisconsin 2023 NEC Details →
Wyoming 2023 NEC Details →
Arkansas 2020 NEC Details →
California 2020 NEC Details →
Delaware 2020 NEC Details →
Florida 2020 NEC Details →
Georgia 2020 NEC Details →
Hawaii 2020 NEC Details →
Kansas 2020 NEC Details →
Louisiana 2020 NEC Details →
New Mexico 2020 NEC Details →
North Carolina 2020 NEC Details →
Oklahoma 2020 NEC Details →
Rhode Island 2020 NEC Details →
South Carolina 2020 NEC Details →
Tennessee 2020 NEC Details →
Virginia 2020 NEC Details →
Arizona 2017 NEC Details →
Illinois 2017 NEC Details →
Missouri 2017 NEC Details →
Nevada 2017 NEC Details →
New York 2017 NEC Details →
Ohio 2017 NEC Details →
Pennsylvania 2017 NEC Details →
Mississippi 2014 NEC Details →

Code-adoption status changes as states ratify new editions. We re-verify quarterly; confirm with your state board before relying on it. The NFPA maintains the authoritative adoption map.

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