Which NEC edition does Ohio enforce?

NEC 2023 (current)

The short answer

Ohio's state code is based on NEC 2023, the current edition there, in effect since March 1, 2024, but it does not reach every jurisdiction or building type the same way.

Current edition
NEC 2023 (current)
Adoption
State code, with exceptions by jurisdiction or building type
In effect since
March 1, 2024
Primary source
dam.assets.ohio.gov

Code adoption cycles change. Always confirm the edition and amendments in force with your Authority Having Jurisdiction (AHJ) before permitting work.

How does Ohio adopt the NEC?

Ohio adopts the NEC statewide for commercial work through the Board of Building Standards, while one-, two-, and three-family dwellings follow the Ohio Residential Code's electrical provisions, which track the NEC on a similar but separately-numbered cycle. No broad AFCI/GFCI exemption is on record.

What are Ohio's amendments to the NEC?

The app's record for Ohio lists no individual amendments; the adoption summary above says how the state applies the code.

Who issues electrical permits in Ohio?

Certified local building departments issue permits and inspect under the state-adopted code baseline.

Who licenses electricians in Ohio?

Statewide licensing of commercial electrical contractors through OCILB; residential electrical work is largely unlicensed at the state level outside a few home-rule cities. Licensing board: Ohio Construction Industry Licensing Board (OCILB).

Ohio Construction Industry Licensing Board (OCILB)

Is Ohio moving to a newer NEC edition?

NEC 2023 under the 2021 I-codes since 2024-03-01 (Ohio Building Code chapter 27, Residential Code chapter 34); no move to 2026 announced.

Is Ohio on NEC 2026?

No. NEC 2026 is the newest edition; the one current in Ohio is NEC 2023, one edition older. NFPA publishes a new edition every three years and each state adopts on its own schedule.

What changed in NEC 2026, section by section

Also on NEC 2023