Washington

For Washington, nec edition in force is The 2023 edition of the National Electrical Code (NFPA 70 - 2023); state amendments is adopted with state rules taking precedence — 'This chapter will be followed where there is any conflict between this chapter and the above adopted standards.'; announced transition 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; statute / rule citation is WAC 296-46B-010, recorded from its source on 2026-08-11.

What the source says

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.

— app.leg.wa.gov, retrieved 2026-08-11

Source

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

Last verified against source: 2026-08-11. Due for re-check by 2026-12-09. This page as Markdown · OKF bundle · full dataset as JSON.