What changes next for interconnection devices in Pennsylvania?

The 2024 IRC is in development.

Which Pennsylvania laws name interconnection devices?

Solar for Schools grants is in force or enacted.

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.

State

Interconnection devices in Pennsylvania

Which codes apply? In Pennsylvania, interconnection devices fall under the 2020 NEC and the 2021 IRC.

Backup switches, gateways, meter adapters, and the device that islands a home. State record read Oct 18, 2026. Data as of Oct 26, 2026.

Codes that reach interconnection devices

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

NECNational Electrical Code

2020 NECPartial

in force since Jan 1, 2026 · Statewide, with exceptions

Where it reaches the product. Article 705 for the point of connection, 230 for the service, and 702 for optional standby systems.

NFPA 70 (National Electrical Code) as referenced by the Pennsylvania UCC’s 2021 IBC · 34 Pa. Code Sec. 403.21 (adopts the 2021 IBC, which references NFPA 70), Regulation #12-125

The Pennsylvania NEC record
IRCInternational Residential Code

2021 IRCVerified

in force since Jan 1, 2026 · Statewide, with exceptions

Where it reaches the product. Chapter 37 and the electrical provisions that mirror the NEC.

Pennsylvania Uniform Construction Code (UCC), 2021 International Residential Code as adopted · 34 Pa. Code Sec. 403.21 as amended by Regulation #12-125 (55 Pa.B., Nov. 8, 2025); Construction Code Act, 35 P.S. 7210.304

The 2024 IRC is in development.

The Pennsylvania IRC record

Coming next

IRC
The 2024 IRC is in development.
The Council’s page shows the 2024 code under review with comments open to Feb 2, 2027; no adoption or effective date was found.
Partial

State or local

NECPennsylvania applies the NEC statewide, with exceptions the record lists.
NECPhiladelphia lists 2020 NFPA 70 as a referenced standard under its own Title 4 code.
IRCPennsylvania applies the IRC statewide, with exceptions the record lists.
IRCAct 45 Sec. 901 (Exemptions) has subsections on log walls, automatic sprinklers in one- and two-family dwellings, floor fire protection and wall bracing, added by Act 1 of 2011.

Cities and counties can amend a statewide code, so confirm the edition in force with the local official.

Go deeper

Pennsylvania laws that name interconnection devices

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

Law or rule	Kind	Stage	Date	What it does
Interconnection rules reviewNews release, Dec 18, 2025	Rule	VerifiedPending	Dec 18, 2025	Starts work on a proposed rule to update how new electric load and distributed energy resources connect to utility distribution systems. Source (opens in a new tab)
Solar for Schools grantsSolar for Schools Grant Program page	Program rule	PartialIn force	–	Funds grants to schools and colleges for solar energy systems, covering equipment, installation, permit fees, energy storage, and utility interconnection. Source (opens in a new tab)

Every Pennsylvania law on interconnection devices, 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