# Oregon — Which National Electrical Code edition each US state enforces: adoption status, effective dates and amendments, from the state boards themselves For Oregon, nec edition in force is 2023 National Electrical Code (NEC); effective date is Oct. 1, 2023; adopting authority is Building Codes Division; state amendments is adopted with amendments — Table of amendments to the 2023 NEC published; the table of amendments is designed to be used with the 2023 NEC; statute / rule citation is 2023 Oregon Electrical Specialty Code (OESC), recorded from its source on 2026-08-11. - **State:** Oregon _(verified: appears in the quote below)_ - **NEC edition in force:** 2023 National Electrical Code (NEC) _(verified: appears in the quote below)_ - **Effective date:** Oct. 1, 2023 _(verified: appears in the quote below)_ - **Adopting authority:** Building Codes Division - **State amendments:** adopted with amendments — Table of amendments to the 2023 NEC published; the table of amendments is designed to be used with the 2023 NEC - **Statute / rule citation:** 2023 Oregon Electrical Specialty Code (OESC) _(verified: appears in the quote below)_ - **Announced transition:** the Electrical and Elevator Board has announced the beginning of the code adoption process for the 2026 Oregon Electrical Specialty Code (OESC); anticipated adoption date: Oct. 1, 2026; base model code: 2026 NFPA 70, National Electrical Code _(per oregon.gov, not stated by the source above)_ ## What the source says > 2023 Oregon Electrical Specialty Code (OESC) Effective Oct. 1, 2023 Based on the 2023 National Electrical Code (NEC) ## What oregon.gov says > The Electrical and Elevator Board has announced the beginning of the code adoption process for the 2026 Oregon Electrical Specialty Code (OESC). Anticipated adoption date: Oct. 1, 2026 Base model codes and standards: 2026 NFPA 70, National Electrical Code Source: https://www.oregon.gov/bcd/codes-stand/Pages/oesc-adoption.aspx ## Source - https://www.oregon.gov/bcd/codes-stand/Pages/electrical.aspx - https://www.oregon.gov/bcd/codes-stand/Pages/oesc-adoption.aspx Last verified: 2026-08-11. Review by: 2026-12-09. Part of [Which National Electrical Code edition each US state enforces: adoption status, effective dates and amendments, from the state boards themselves](https://referencesource.org/nec-edition-adoption-by-state/).