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 Delaware

Which codes apply? In Delaware, inverters and power control systems fall under the 2023 NEC and the 2024 residential IECC.

The inverter, the power control system, and the interconnection to the grid. State record read Oct 20, 2026. Data as of Oct 26, 2026.

Codes that reach inverters and power control systems

The edition Delaware 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 Jan 1, 2026

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

    Delaware State Fire Prevention Regulations (Regulation 701), 2026 edition · 1 DE Admin. Code 701 section 3.1.42; 29 DE Reg. 509 (12/01/25)

    The Delaware NEC record
  2. IECC residentialInternational Energy Conservation Code, residential
    2024 IECCVerified

    in force since Apr 11, 2026

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

    Regulations for State Energy Conservation Code · 7 DE Admin. Code 2101; 16 Del.C. 7602; Secretary’s Order No. 2026-CCE-0002

    The Delaware IECC residential record

Delaware laws that name inverters and power control systems

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

No Delaware 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