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.

Solar PV in Connecticut

Which codes apply? In Connecticut, solar PV systems fall under the 2020 NEC, the 2021 IRC, the 2021 IBC, and the 2021 IFC.

Rooftop and ground-mounted photovoltaic arrays and their wiring. State record read Oct 19, 2026. Data as of Oct 26, 2026.

Codes that reach solar PV systems

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

  1. NECNational Electrical Code
    2020 NECVerified

    in force since Oct 1, 2022

    Where it reaches the product. Article 690, solar photovoltaic systems, with 705 for the interconnection and 690.12 for rapid shutdown.

    2022 Connecticut State Building Code (electrical, 2020 NFPA 70) · Conn. Gen. Stat. 29-252 and 29-252b; 2022 Connecticut State Building Code (CSBC)

    The 2023 NEC is proposed.

    The Connecticut NEC record
  2. IRCInternational Residential Code
    2021 IRCVerified

    in force since Oct 1, 2022

    Where it reaches the product. Section R324, solar energy systems.

    2022 Connecticut State Building Code · Conn. Gen. Stat. 29-252 and 29-252b; 2022 CSBC

    The 2024 IRC is proposed.

    The Connecticut IRC record
  3. IBCInternational Building Code
    2021 IBCVerified

    in force since Oct 1, 2022

    Where it reaches the product. Rooftop structures and the structural load of the array.

    2022 Connecticut State Building Code · Conn. Gen. Stat. 29-252 and 29-252b; 2022 CSBC

    The 2024 IBC is proposed.

    The Connecticut IBC record
  4. IFCInternational Fire Code
    2021 IFCVerified

    in force since Oct 1, 2022

    Where it reaches the product. Chapter 12, section 1205, solar photovoltaic power systems and roof access.

    2022 Connecticut State Fire Safety Code (Part III) and 2022 State Fire Prevention Code · Conn. Gen. Stat. 29-292 and 29-292a (fire safety code); 29-291 and 29-291e (fire prevention code)

    The 2024 IFC is proposed.

    The Connecticut IFC record

Connecticut laws that name solar PV systems

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

No Connecticut law or rule on the site names solar PV 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