Codes of Record

What applies to my job?

Pick the state and the product you build, install, or inspect. The card below answers from each state’s own record.

Inverters and power control in Iowa

Which codes apply? In Iowa, inverters and power control systems fall under the 2023 NEC and the 2012 residential IECC.

The inverter, the power control system, and the interconnection to the grid. State record read Oct 25, 2026. Data as of Oct 26, 2026.

Codes that reach inverters and power control systems

The edition Iowa enforces for each code that governs the product, and the part of the code that does.

  1. NECNational Electrical Code
    2023 NECVerified

    in force since Jul 1, 2025

    Where it reaches the product. Article 705, interconnected power sources, with 690 and 706 for the source and the listing the inverter must carry.

    State electrical code (481 IAC chapter 404) · 481 IAC 404.3; Iowa Code 103.1(12A) and 103.1B (2026 Iowa Acts, HF 2800)

    The 2026 NEC is proposed.

    The Iowa NEC record
  2. IECC residentialInternational Energy Conservation Code, residential
    2012 IECCVerified

    in force since Mar 12, 2014

    Where it reaches the product. Where a state adopts the solar-ready or storage-ready appendix, the space and the conduit the inverter needs.

    Residential energy code (481 IAC 301.24) · 481 IAC 301.24 (formerly 661 IAC 303); ARC 1301C

    The Iowa IECC residential record

Iowa laws that name inverters and power control systems

Statutes, rules, and commission orders are tracked state by state.

No Iowa law or rule on the site names inverters and power control systems. The product page shows the states that have one.

For information only. Your local building or fire official decides which code applies. We check state records often but can miss a recent change, so confirm with your official before you design, permit, or install. Terms of use