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 Arizona

Which codes apply? In Arizona, inverters and power control systems fall under local adoption of the NEC and local adoption of the IECC residential.

The inverter, the power control system, and the interconnection to the grid. State record read Oct 18, 2026. Data as of Oct 26, 2026.

Codes that reach inverters and power control systems

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

  1. NECNational Electrical Code
    Local adoptionVerified

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

    A.R.S. 9-802 (municipal adoption by reference); A.R.S. 11-861 (county adoption by reference); A.R.S. 34-461 (public buildings)

    The Arizona NEC record
  2. IECC residentialInternational Energy Conservation Code, residential
    Local adoptionPartial

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

    A.R.S. 9-802 (municipal adoption by reference); A.R.S. 11-861 (county adoption by reference); A.R.S. 34-461 (public buildings)

    The Arizona IECC residential record

Arizona laws that name inverters and power control systems

On the site: four laws, rules, orders, and bills, newest first.

Law or ruleKindStageDateWhat it does
SB 1419Laws 2026, Chapter 175BillPartialIn forceSep 12, 2026Requires residential solar contracts to disclose costs, savings assumptions, and warranties, including inverter and battery warranties. Source (opens in a new tab)
HB 2134Senate fact sheetBillPartialDid not pass–Would have barred utilities and public bodies from connecting certain equipment from Chinese companies to critical infrastructure. Source (opens in a new tab)
Salt River Project requirementsResidential Distributed Energy Resource Program RequirementsProgram rulePartialIn force–Requires battery systems in Salt River Project's residential program to be Listed to UL 9540, with inverters that meet UL 1741 and IEEE 1547. Customers must take a customer generation price plan and sign an interconnection agreement. Source (opens in a new tab)
Tucson Electric Power interconnectionResidential interconnectionProgram rulePartialIn force–Requires utility approval before construction and permission to operate before a home solar or storage system is energized. Source (opens in a new tab)

Every Arizona law on inverters and power control systems, with filters

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