# Washington — National Electrical Code edition adopted by each US state

For Washington, nec edition in force is The 2023 edition of the National Electrical Code (NFPA 70 - 2023); state code name is WAC 296-46B-010; state amendments is This chapter will be followed where there is any conflict between this chapter and the above adopted standards; next edition status is Effective December 31, 2026, the 2026 edition of the National Electrical Code (NFPA 70-2026) including Annex A, B, and C is adopted in this chapter by reference and replaces the 2023 edition of the NFPA 70, verified against its source on 2026-08-18.

- **State:** Washington _(our reading, not quoted from the source)_
- **NEC edition in force:** The 2023 edition of the National Electrical Code (NFPA 70 - 2023) _(verified: appears in the quote below)_
- **State code name:** WAC 296-46B-010 _(verified: appears in the quote below)_
- **State amendments:** This chapter will be followed where there is any conflict between this chapter and the above adopted standards. _(verified: appears in the quote below)_
- **Next edition status:** Effective December 31, 2026, the 2026 edition of the National Electrical Code (NFPA 70-2026) including Annex A, B, and C is adopted in this chapter by reference and replaces the 2023 edition of the NFPA 70. _(verified: appears in the quote below)_

## What the source says

> Adopted standards. (1) The 2023 edition of the National Electrical Code (NFPA 70 - 2023) including Annex A, B, C, and subsequent Errata and Tentative Interim Amendments issued by the National Fire Protection Association; the latest published versions of Commercial Building Telecommunications Cabling Standard (ANSI/TIA-568); Commercial Building Standard for Telecommunications Pathway and Spaces (ANSI/TIA-569); Commercial Building Grounding and Bonding Requirements for Telecommunications (ANSI/TIA-607); Residential Telecommunications Cable Standard (ANSI/TIA-570); and the latest published version of the National Electrical Safety Code (NESC excluding Appendixes A and B) are hereby adopted by reference as part of this chapter. Effective December 31, 2026, the 2026 edition of the National Electrical Code (NFPA 70-2026) including Annex A, B, and C is adopted in this chapter by reference and replaces the 2023 edition of the NFPA 70. This chapter will be followed where there is any conflict between this chapter and the above adopted standards.

## Source

- https://app.leg.wa.gov/wac/default.aspx?cite=296-46B-010

Last verified: 2026-08-18. Review by: 2027-02-14.
Part of [National Electrical Code edition adopted by each US state](https://referencesource.org/nec-adoption-by-state/).