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Official board data · verified 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. This is 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. Some links are affiliate links, and we may earn a commission at no extra cost to you (full disclosure).

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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