Codes of Record

Interconnection devices

Backup switches, gateways, and meter adapters sit at the service. The rules come from NEC Article 705, the utility’s meter rules, and a few state laws on meter socket adapters.

How a product team uses this page

  1. Check the NEC edition for 705 and 702.
  2. Read the laws list for meter socket adapter rules and utility requirements.
  3. Watch the changes table for NEC edition moves and commission rules.

Codes that reach interconnection devices

The code, the part of it that governs the product, and the editions in force across the map. Section numbers move between editions, so the hub page names the one each state enforces.

Every code, with its states
CodeWhere it reaches the productEditions in force
NECNational Electrical Code Article 705 for the point of connection, 230 for the service, and 702 for optional standby systems2023 NEC in 20 states
IRCInternational Residential Code Chapter 37 and the electrical provisions that mirror the NEC2021 IRC in 14 states

Laws that name interconnection devices

34 laws, rules, orders, and bills in 8 states: 21 in force or enacted, 6 pending, 7 that did not pass.

The laws below were tagged by keyword from the battery law summaries in ten states. A research pass for interconnection devices in every state is planned.

The full list
  • A law or rule in force8
  • Nothing on file41
StateIn forcePendingDid not passTopicsLast moved
ArizonaAZ2––Interconnection, Meter adapters, Tariffs–The list
CaliforniaCA511Interconnection, Licensing, Meter adaptersSep 30, 2026The list
MassachusettsMA21–Incentives, Interconnection, TariffsMay 1, 2026The list
New YorkNY11–Incentives, Interconnection, TariffsJun 1, 2026The list
OregonOR711Interconnection, Licensing, Permitting, TariffsSep 30, 2026The list
PennsylvaniaPA11–Incentives, InterconnectionDec 18, 2025The list
TexasTX115Fire and siting, Incentives, Interconnection, Licensing, Meter adapters, TariffsMay 22, 2026The list
WashingtonWA2––Interconnection, Licensing, PermittingJun 6, 2024The list

What changes next for interconnection devices

17 changes ahead: code moves that reach the product and laws not yet in force, soonest first.

What is changing, filtered
DateStateWhat movesProductsStageChecked
FloridaCodeFlorida moves six codes to new editionsNEC 2023, IBC 2024, IRC 2024, IFC (edition not named), IECC residential 2024, IECC commercial 2024NECIBCIRCIFCIECC Res.IECC Com.All productsProposedPartial
WashingtonCodeWashington moves to the 2026 NECNEC 2026. Adoption order filed Nov 18, 2025 (rule order effective Dec 19, 2025) with a delayed 2026 NEC effective date; the 2023 NEC stays in force until then.NECAll productsAdopted, not yet in forcePartial
AlabamaCodeAlabama moves two codes to new editionsIRC (edition not named), IECC residential (edition not named)IRCIECC Res.Residential ESSSolar PVInvertersInterconnect devicesEV chargingIn developmentPartial
LouisianaCodeLouisiana moves five codes to new editionsNEC 2023, IBC 2024, IRC 2024, IECC residential 2024, IECC commercial 2024NECIBCIRCIECC Res.IECC Com.All productsProposedPartial
South CarolinaCodeSouth Carolina moves four codes to new editionsNEC 2023, IBC 2024, IRC 2024, IFC 2024. Implementation date for local jurisdictions.NECIBCIRCIFCAll productsAdopted, not yet in forcePartial
WashingtonCodeWashington moves five codes to new editionsIBC 2024, IRC 2024, IFC 2024, IECC residential 2024, IECC commercial 2024IBCIRCIFCIECC Res.IECC Com.Residential ESSCommercial and utility ESSSolar PVInvertersInterconnect devicesEV chargingProposedPartial
IdahoCodeIdaho moves four codes to new editionsIBC 2024, IRC 2024, IECC residential 2024, IECC commercial 2024. The Board’s 2026 rule to adopt the 2024 editions did not pass the House; the Board is discussing draft legislation that would adopt the 2024 codes in statute, effective Jul 1, 2028, if passed.IBCIRCIECC Res.IECC Com.Residential ESSCommercial and utility ESSSolar PVInvertersInterconnect devicesEV chargingIn developmentPartial
CaliforniaCodeCalifornia moves six codes to new editionsNEC 2026, IBC 2027, IRC 2027, IFC 2027, IECC residential (edition not named), IECC commercial (edition not named)NECIBCIRCIFCIECC Res.IECC Com.All productsIn developmentPartial
No date yetCaliforniaLawCPUC Rulemaking R.25-08-004Studies refinements to Rule 21 interconnection rules for distributed energy resources at the large and small utilities. cpuc.ca.gov (opens in a new tab)Residential ESSCommercial and utility ESSInterconnect devicesPendingUnder review Aug 20, 2025
No date yetIndianaCodeIndiana moves to the 2023 NECNEC 2023. Commission adopted the final rule Aug 4, 2026; the docket (updated Aug 12, 2026) lists Attorney General approval, Governor approval, filing and effective date as TBD.NECAll productsAdopted, not yet in forcePartial

All 17 changes ahead for interconnection devices

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