Which NEC edition does Iowa enforce?

NEC 2023 (current)

The short answer

Iowa enforces NEC 2023, the current edition there, statewide, in effect since July 1, 2025.

Current edition
NEC 2023 (current)
Adoption
Statewide
In effect since
July 1, 2025
Primary source
rules.iowa.gov

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

How does Iowa adopt the NEC?

Iowa adopts the NEC statewide by rule under Iowa Code chapter 103 (661 IAC chapter 550), administered since 2023 by the Department of Inspections, Appeals, and Licensing, with routine administrative amendments; no broad AFCI/GFCI exemption is on record.

What are Iowa's amendments to the NEC?

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

Who issues electrical permits in Iowa?

The state inspects in most areas; a small number of larger cities administer their own permitting under state-delegated authority.

Who licenses electricians in Iowa?

Statewide licensing of electricians (master, journeyman, residential, special, apprentice and unclassified-person classes) and electrical contractors through the Department of Inspections, Appeals, and Licensing, overseen by the Electrical Examining Board. Licensing board: Iowa Department of Inspections, Appeals, and Licensing - Electrical Examining Board.

Iowa Department of Inspections, Appeals, and Licensing - Electrical Examining Board

Is Iowa moving to a newer NEC edition?

Adopted under 661 IAC chapter 550 with Iowa GFCI modifications; no move to NEC 2026 announced.

Is Iowa on NEC 2026?

No. NEC 2026 is the newest edition; the one current in Iowa 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