Codes of Record

National Electrical Code (NFPA 70)

Iowa: National Electrical Code, lead only

Mike Holt’s NEC adoption list shows Iowa on the 2023 NEC, effective Jul 1, 2025. Iowa’s own records for the NEC have not been read yet.

Tracker reading

Edition a tracker lists

2023 NEC

Lead only

How it was checked

Lead only

A tracker lists this edition. Nobody has checked it against the state’s own record yet.

What the trackers say

Code adoption trackers are a cross-check. They are not Iowa’s own record.

  • Mike Holt’s NEC adoption listCross-check

    2023 NEC, effective Jul 1, 2025

    ‘Effective 7/1/25 with IA amendments’.

    mikeholt.com (opens in a new tab)Read

  • NFPA’s enforcement mapCross-check

    2023 NEC, effective Jul 1, 2025

    Iowa 2023 with IA amendments (7/1/2025) 2026 update process underway (Effective date not established)

    nfpa.org (opens in a new tab)Updated Aug 3, 2026Read

Related pages

Other codes in Iowa