NEC adoption

Which edition of the National Electrical Code each state and the District of Columbia enforces, with the adopting instrument for each.

NEC edition enforced by stateAK: 2020 edition of the National Electrical Code (NFPA 70); ME: 2026 edition of the National Electrical Code (NFPA 70); WI: 2023 edition of the National Electrical Code (NFPA 70); VT: 2023 edition of the National Electrical Code (NFPA 70); NH: 2023 edition of the National Electrical Code (NFPA 70); WA: 2023 edition of the National Electrical Code (NFPA 70); ID: 2023 edition of the National Electrical Code (NFPA 70); MT: 2023 edition of the National Electrical Code (NFPA 70); ND: 2026 edition of the National Electrical Code (NFPA 70); MN: 2026 edition of the National Electrical Code (NFPA 70); MI: 2023 edition of the National Electrical Code (NFPA 70); NY: 2023 edition of the National Electrical Code (NFPA 70); MA: 2026 edition of the National Electrical Code (NFPA 70); OR: 2026 edition of the National Electrical Code (NFPA 70); WY: 2026 edition of the National Electrical Code (NFPA 70); SD: 2023 edition of the National Electrical Code (NFPA 70); IA: 2023 edition of the National Electrical Code (NFPA 70); IN: 2008 edition of the National Electrical Code (NFPA 70); OH: 2023 edition of the National Electrical Code (NFPA 70); NJ: 2023 edition of the National Electrical Code (NFPA 70); CT: 2020 edition of the National Electrical Code (NFPA 70); RI: 2023 edition of the National Electrical Code (NFPA 70); CA: 2023 edition of the National Electrical Code (NFPA 70); UT: 2023 edition of the National Electrical Code (NFPA 70); CO: 2026 edition of the National Electrical Code (NFPA 70); NE: 2023 edition of the National Electrical Code (NFPA 70); KY: 2023 edition of the National Electrical Code (NFPA 70); WV: 2020 edition of the National Electrical Code (NFPA 70), not adopted statewide; VA: 2020 edition of the National Electrical Code (NFPA 70); MD: 2017 edition of the National Electrical Code (NFPA 70); DE: 2023 edition of the National Electrical Code (NFPA 70); NM: 2020 edition of the National Electrical Code (NFPA 70); KS: 2008 edition of the National Electrical Code (NFPA 70); AR: 2026 edition of the National Electrical Code (NFPA 70); TN: 2017 edition of the National Electrical Code (NFPA 70); NC: 2020 edition of the National Electrical Code (NFPA 70); SC: 2020 edition of the National Electrical Code (NFPA 70); DC: 2014 edition of the National Electrical Code (NFPA 70); OK: 2023 edition of the National Electrical Code (NFPA 70); AL: 2020 edition of the National Electrical Code (NFPA 70), not adopted statewide; GA: 2023 edition of the National Electrical Code (NFPA 70); HI: 2020 edition of the National Electrical Code (NFPA 70); TX: 2026 edition of the National Electrical Code (NFPA 70)Alaska: NEC 2020 edition of the National Electrical Code (NFPA 70)AK2020 edition of the National Electrical Code (NFPA 70)Maine: NEC 2026 edition of the National Electrical Code (NFPA 70)ME2026 edition of the National Electrical Code (NFPA 70)Wisconsin: NEC 2023 edition of the National Electrical Code (NFPA 70)WI2023 edition of the National Electrical Code (NFPA 70)Vermont: NEC 2023 edition of the National Electrical Code (NFPA 70)VT2023 edition of the National Electrical Code (NFPA 70)New Hampshire: NEC 2023 edition of the National Electrical Code (NFPA 70)NH2023 edition of the National Electrical Code (NFPA 70)Washington: NEC 2023 edition of the National Electrical Code (NFPA 70)WA2023 edition of the National Electrical Code (NFPA 70)Idaho: NEC 2023 edition of the National Electrical Code (NFPA 70)ID2023 edition of the National Electrical Code (NFPA 70)Montana: NEC 2023 edition of the National Electrical Code (NFPA 70)MT2023 edition of the National Electrical Code (NFPA 70)North Dakota: NEC 2026 edition of the National Electrical Code (NFPA 70)ND2026 edition of the National Electrical Code (NFPA 70)Minnesota: NEC 2026 edition of the National Electrical Code (NFPA 70)MN2026 edition of the National Electrical Code (NFPA 70)Illinois: no edition recordedILMichigan: NEC 2023 edition of the National Electrical Code (NFPA 70)MI2023 edition of the National Electrical Code (NFPA 70)New York: NEC 2023 edition of the National Electrical Code (NFPA 70)NY2023 edition of the National Electrical Code (NFPA 70)Massachusetts: NEC 2026 edition of the National Electrical Code (NFPA 70)MA2026 edition of the National Electrical Code (NFPA 70)Oregon: NEC 2026 edition of the National Electrical Code (NFPA 70)OR2026 edition of the National Electrical Code (NFPA 70)Nevada: no edition recordedNVWyoming: NEC 2026 edition of the National Electrical Code (NFPA 70)WY2026 edition of the National Electrical Code (NFPA 70)South Dakota: NEC 2023 edition of the National Electrical Code (NFPA 70)SD2023 edition of the National Electrical Code (NFPA 70)Iowa: NEC 2023 edition of the National Electrical Code (NFPA 70)IA2023 edition of the National Electrical Code (NFPA 70)Indiana: NEC 2008 edition of the National Electrical Code (NFPA 70)IN2008 edition of the National Electrical Code (NFPA 70)Ohio: NEC 2023 edition of the National Electrical Code (NFPA 70)OH2023 edition of the National Electrical Code (NFPA 70)Pennsylvania: no edition recordedPANew Jersey: NEC 2023 edition of the National Electrical Code (NFPA 70)NJ2023 edition of the National Electrical Code (NFPA 70)Connecticut: NEC 2020 edition of the National Electrical Code (NFPA 70)CT2020 edition of the National Electrical Code (NFPA 70)Rhode Island: NEC 2023 edition of the National Electrical Code (NFPA 70)RI2023 edition of the National Electrical Code (NFPA 70)California: NEC 2023 edition of the National Electrical Code (NFPA 70)CA2023 edition of the National Electrical Code (NFPA 70)Utah: NEC 2023 edition of the National Electrical Code (NFPA 70)UT2023 edition of the National Electrical Code (NFPA 70)Colorado: NEC 2026 edition of the National Electrical Code (NFPA 70)CO2026 edition of the National Electrical Code (NFPA 70)Nebraska: NEC 2023 edition of the National Electrical Code (NFPA 70)NE2023 edition of the National Electrical Code (NFPA 70)Missouri: no edition recordedMOKentucky: NEC 2023 edition of the National Electrical Code (NFPA 70)KY2023 edition of the National Electrical Code (NFPA 70)West Virginia: NEC 2020 edition of the National Electrical Code (NFPA 70), not adopted statewideWV2020 edition of the National Electrical Code (NFPA 70), not adopted statewideVirginia: NEC 2020 edition of the National Electrical Code (NFPA 70)VA2020 edition of the National Electrical Code (NFPA 70)Maryland: NEC 2017 edition of the National Electrical Code (NFPA 70)MD2017 edition of the National Electrical Code (NFPA 70)Delaware: NEC 2023 edition of the National Electrical Code (NFPA 70)DE2023 edition of the National Electrical Code (NFPA 70)Arizona: no edition recordedAZNew Mexico: NEC 2020 edition of the National Electrical Code (NFPA 70)NM2020 edition of the National Electrical Code (NFPA 70)Kansas: NEC 2008 edition of the National Electrical Code (NFPA 70)KS2008 edition of the National Electrical Code (NFPA 70)Arkansas: NEC 2026 edition of the National Electrical Code (NFPA 70)AR2026 edition of the National Electrical Code (NFPA 70)Tennessee: NEC 2017 edition of the National Electrical Code (NFPA 70)TN2017 edition of the National Electrical Code (NFPA 70)North Carolina: NEC 2020 edition of the National Electrical Code (NFPA 70)NC2020 edition of the National Electrical Code (NFPA 70)South Carolina: NEC 2020 edition of the National Electrical Code (NFPA 70)SC2020 edition of the National Electrical Code (NFPA 70)District of Columbia: NEC 2014 edition of the National Electrical Code (NFPA 70)DC2014 edition of the National Electrical Code (NFPA 70)Oklahoma: NEC 2023 edition of the National Electrical Code (NFPA 70)OK2023 edition of the National Electrical Code (NFPA 70)Louisiana: no edition recordedLAMississippi: no edition recordedMSAlabama: NEC 2020 edition of the National Electrical Code (NFPA 70), not adopted statewideAL2020 edition of the National Electrical Code (NFPA 70), not adopted statewideGeorgia: NEC 2023 edition of the National Electrical Code (NFPA 70)GA2023 edition of the National Electrical Code (NFPA 70)Hawaii: NEC 2020 edition of the National Electrical Code (NFPA 70)HI2020 edition of the National Electrical Code (NFPA 70)Texas: NEC 2026 edition of the National Electrical Code (NFPA 70)TX2026 edition of the National Electrical Code (NFPA 70)Florida: no edition recordedFLNEC 2008 edition of the National Electrical Code (NFPA 70)NEC 2014 edition of the National Electrical Code (NFPA 70)NEC 2017 edition of the National Electrical Code (NFPA 70)NEC 2020 edition of the National Electrical Code (NFPA 70)NEC 2020 edition of the National Electrical Code (NFPA 70), not adopted statewideNEC 2023 edition of the National Electrical Code (NFPA 70)NEC 2026 edition of the National Electrical Code (NFPA 70)
NEC edition enforced by state. Each tile is a state or the District of Columbia on a tile grid, not a geographic map; the fill shows the edition of the National Electrical Code in force.
Data table (43 rows)
NEC edition enforced by state: edition enforced per state, from the adopting instrument recorded in each data record.
StateEditionRecord
Alaska2020 edition of the National Electrical Code (NFPA 70)nec.adoption.AK
Maine2026 edition of the National Electrical Code (NFPA 70)nec.adoption.ME
Wisconsin2023 edition of the National Electrical Code (NFPA 70)nec.adoption.WI
Vermont2023 edition of the National Electrical Code (NFPA 70)nec.adoption.VT
New Hampshire2023 edition of the National Electrical Code (NFPA 70)nec.adoption.NH
Washington2023 edition of the National Electrical Code (NFPA 70)nec.adoption.WA
Idaho2023 edition of the National Electrical Code (NFPA 70)nec.adoption.ID
Montana2023 edition of the National Electrical Code (NFPA 70)nec.adoption.MT
North Dakota2026 edition of the National Electrical Code (NFPA 70)nec.adoption.ND
Minnesota2026 edition of the National Electrical Code (NFPA 70)nec.adoption.MN
Michigan2023 edition of the National Electrical Code (NFPA 70)nec.adoption.MI
New York2023 edition of the National Electrical Code (NFPA 70)nec.adoption.NY
Massachusetts2026 edition of the National Electrical Code (NFPA 70)nec.adoption.MA
Oregon2026 edition of the National Electrical Code (NFPA 70)nec.adoption.OR
Wyoming2026 edition of the National Electrical Code (NFPA 70)nec.adoption.WY
South Dakota2023 edition of the National Electrical Code (NFPA 70)nec.adoption.SD
Iowa2023 edition of the National Electrical Code (NFPA 70)nec.adoption.IA
Indiana2008 edition of the National Electrical Code (NFPA 70)nec.adoption.IN
Ohio2023 edition of the National Electrical Code (NFPA 70)nec.adoption.OH
New Jersey2023 edition of the National Electrical Code (NFPA 70)nec.adoption.NJ
Connecticut2020 edition of the National Electrical Code (NFPA 70)nec.adoption.CT
Rhode Island2023 edition of the National Electrical Code (NFPA 70)nec.adoption.RI
California2023 edition of the National Electrical Code (NFPA 70)nec.adoption.CA
Utah2023 edition of the National Electrical Code (NFPA 70)nec.adoption.UT
Colorado2026 edition of the National Electrical Code (NFPA 70)nec.adoption.CO
Nebraska2023 edition of the National Electrical Code (NFPA 70)nec.adoption.NE
Kentucky2023 edition of the National Electrical Code (NFPA 70)nec.adoption.KY
West Virginia2020 edition of the National Electrical Code (NFPA 70), not adopted statewidenec.adoption.WV
Virginia2020 edition of the National Electrical Code (NFPA 70)nec.adoption.VA
Maryland2017 edition of the National Electrical Code (NFPA 70)nec.adoption.MD
Delaware2023 edition of the National Electrical Code (NFPA 70)nec.adoption.DE
New Mexico2020 edition of the National Electrical Code (NFPA 70)nec.adoption.NM
Kansas2008 edition of the National Electrical Code (NFPA 70)nec.adoption.KS
Arkansas2026 edition of the National Electrical Code (NFPA 70)nec.adoption.AR
Tennessee2017 edition of the National Electrical Code (NFPA 70)nec.adoption.TN
North Carolina2020 edition of the National Electrical Code (NFPA 70)nec.adoption.NC
South Carolina2020 edition of the National Electrical Code (NFPA 70)nec.adoption.SC
District of Columbia2014 edition of the National Electrical Code (NFPA 70)nec.adoption.DC
Oklahoma2023 edition of the National Electrical Code (NFPA 70)nec.adoption.OK
Alabama2020 edition of the National Electrical Code (NFPA 70), not adopted statewidenec.adoption.AL
Georgia2023 edition of the National Electrical Code (NFPA 70)nec.adoption.GA
Hawaii2020 edition of the National Electrical Code (NFPA 70)nec.adoption.HI
Texas2026 edition of the National Electrical Code (NFPA 70)nec.adoption.TX
  1. Alabama

    Alabama: the 2020 edition of the National Electrical Code (NFPA 70) is the edition named in the state's adopting rule, effective 2022-07-01, adopted by the Alabama Department of Finance, Division of Construction Management. The rule does not apply statewide; outside its scope, adoption and enforcement of an electrical code rest with local governments. State or local amendments apply. Value: 2020 edition of the National Electrical Code (NFPA 70), not adopted statewide.

  2. Alaska

    Alaska: the 2020 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2022-04-16, adopted by the Department of Labor and Workforce Development. State or local amendments apply. Value: 2020 edition of the National Electrical Code (NFPA 70).

  3. Arkansas

    Arkansas: the 2026 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2026-09-03, adopted by the Board of Electrical Examiners of the State of Arkansas, Department of Labor and Licensing. State or local amendments apply. Value: 2026 edition of the National Electrical Code (NFPA 70).

  4. California

    California: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2026-01-01, adopted by the California Building Standards Commission. State or local amendments apply. Value: 2023 edition of the National Electrical Code (NFPA 70).

  5. Colorado

    Colorado: the 2026 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2026-07-15, adopted by the State Electrical Board, Division of Professions and Occupations, Department of Regulatory Agencies. Value: 2026 edition of the National Electrical Code (NFPA 70).

  6. Connecticut

    Connecticut: the 2020 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2022-10-01, adopted by the Department of Administrative Services, Office of the State Building Inspector, with the Codes and Standards Committee. State or local amendments apply. Value: 2020 edition of the National Electrical Code (NFPA 70).

  7. Delaware

    Delaware: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2026-01-01, adopted by the Delaware State Fire Prevention Commission. State or local amendments apply. Value: 2023 edition of the National Electrical Code (NFPA 70).

  8. District of columbia

    District of Columbia: the 2014 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2020-05-29, adopted by the Mayor of the District of Columbia issuing rules under D.C. Official Code § 6-1409(a). State or local amendments apply. Value: 2014 edition of the National Electrical Code (NFPA 70).

  9. Georgia

    Georgia: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2025-01-01, adopted by the Board of Community Affairs / Georgia Department of Community Affairs, Office of Construction Codes and Industrialized Buildings. State or local amendments apply. Value: 2023 edition of the National Electrical Code (NFPA 70).

  10. Hawaii

    Hawaii: the 2020 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2022-03-15, adopted by the Hawai'i State Building Code Council. State or local amendments apply. Value: 2020 edition of the National Electrical Code (NFPA 70).

  11. Idaho

    Idaho: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2023-07-01, adopted by the Idaho legislature. State or local amendments apply. Value: 2023 edition of the National Electrical Code (NFPA 70).

  12. Indiana

    Indiana: the 2008 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2009-08-26, adopted by the Fire Prevention and Building Safety Commission. No state or local amendments are recorded. The 2023 edition takes effect TBD. Value: 2008 edition of the National Electrical Code (NFPA 70).

  13. Iowa

    Iowa: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2025-07-01, adopted by the Electrical Examining Board. State or local amendments apply. Value: 2023 edition of the National Electrical Code (NFPA 70).

  14. Kansas

    Kansas: the 2008 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2011-02-04, adopted by the Office of the State Fire Marshal. State or local amendments apply. Value: 2008 edition of the National Electrical Code (NFPA 70).

  15. Kentucky

    Kentucky: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2025-01-01, adopted by the Department of Housing, Buildings and Construction. State or local amendments apply. Value: 2023 edition of the National Electrical Code (NFPA 70).

  16. Maine

    Maine: the 2026 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2026-07-01, adopted by the Electricians' Examining Board. State or local amendments apply. Value: 2026 edition of the National Electrical Code (NFPA 70).

  17. Maryland

    Maryland: the 2017 edition of the National Electrical Code (NFPA 70) is the edition in force, adopted by the State Fire Marshal. State or local amendments apply. Value: 2017 edition of the National Electrical Code (NFPA 70).

  18. Massachusetts

    Massachusetts: the 2026 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2026-04-24, adopted by the Board of Fire Prevention Regulations. State or local amendments apply. Value: 2026 edition of the National Electrical Code (NFPA 70).

  19. Michigan

    Michigan: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2024-03-12, adopted by the Department of Licensing and Regulatory Affairs, Director's Office. State or local amendments apply. Value: 2023 edition of the National Electrical Code (NFPA 70).

  20. Minnesota

    Minnesota: the 2026 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2026-08-17, adopted by the Board of Electricity. State or local amendments apply. Value: 2026 edition of the National Electrical Code (NFPA 70).

  21. Montana

    Montana: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2026-09-26, adopted by the Montana Department of Labor and Industry. State or local amendments apply. Value: 2023 edition of the National Electrical Code (NFPA 70).

  22. Nebraska

    Nebraska: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2024-08-01, adopted by the Nebraska Legislature. State or local amendments apply. Value: 2023 edition of the National Electrical Code (NFPA 70).

  23. New hampshire

    New Hampshire: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2025-07-01, adopted by the New Hampshire general court. State or local amendments apply. Value: 2023 edition of the National Electrical Code (NFPA 70).

  24. New jersey

    New Jersey: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2026-08-17, adopted by the Department of Community Affairs, Division of Codes and Standards. State or local amendments apply. Value: 2023 edition of the National Electrical Code (NFPA 70).

  25. New mexico

    New Mexico: the 2020 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2023-03-28, adopted by the Construction Industries Division of the Regulation and Licensing Department. State or local amendments apply. Value: 2020 edition of the National Electrical Code (NFPA 70).

  26. New york

    New York: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2025-12-31, adopted by the State Fire Prevention and Building Code Council. State or local amendments apply. Value: 2023 edition of the National Electrical Code (NFPA 70).

  27. North carolina

    North Carolina: the 2020 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2021-11-01, adopted by the North Carolina Building Code Council. State or local amendments apply. The 2023 edition takes effect Indefinite Delay (delayed from original adoption date of January 1, 2025). Value: 2020 edition of the National Electrical Code (NFPA 70).

  28. North dakota

    North Dakota: the 2026 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2026-07-01, adopted by the North Dakota State Electrical Board. State or local amendments apply. Value: 2026 edition of the National Electrical Code (NFPA 70).

  29. Ohio

    Ohio: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2024-03-01, adopted by the Ohio board of building standards. State or local amendments apply. Value: 2023 edition of the National Electrical Code (NFPA 70).

  30. Oklahoma

    Oklahoma: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2024-09-14, adopted by the Oklahoma Uniform Building Code Commission. State or local amendments apply. Value: 2023 edition of the National Electrical Code (NFPA 70).

  31. Oregon

    Oregon: the 2026 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2026-10-01, adopted by the Building Codes Division, Department of Consumer and Business Services. State or local amendments apply. Value: 2026 edition of the National Electrical Code (NFPA 70).

  32. Rhode island

    Rhode Island: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2025-12-01, adopted by the Building Code Standards Committee. State or local amendments apply. Value: 2023 edition of the National Electrical Code (NFPA 70).

  33. South carolina

    South Carolina: the 2020 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2023-01-01, adopted by the South Carolina Building Codes Council. State or local amendments apply. The 2023 edition takes effect 2027-01-01. Value: 2020 edition of the National Electrical Code (NFPA 70).

  34. South dakota

    South Dakota: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2024-11-12, adopted by the State Electrical Commission. State or local amendments apply. Value: 2023 edition of the National Electrical Code (NFPA 70).

  35. Tennessee

    Tennessee: the 2017 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2018-03-19, adopted by the Tennessee State Fire Marshal's Office, Department of Commerce and Insurance, Division of Fire Prevention. State or local amendments apply. Value: 2017 edition of the National Electrical Code (NFPA 70).

  36. Texas

    Texas: the 2026 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2026-09-01, adopted by the Texas Commission of Licensing and Regulation. State or local amendments apply. Value: 2026 edition of the National Electrical Code (NFPA 70).

  37. Us virgin islands

    US Virgin Islands: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2025-02-01, adopted by the Department of Planning and Natural Resources, Division of Building Permits. No state or local amendments are recorded. Value: 2023 edition of the National Electrical Code (NFPA 70).

  38. Utah

    Utah: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2025-07-01, adopted by the Utah State Legislature. State or local amendments apply. Value: 2023 edition of the National Electrical Code (NFPA 70).

  39. Vermont

    Vermont: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2025-11-05, adopted by the Electricians' Licensing Board and the Commissioner of Public Safety, Department of Public Safety, Division of Fire Safety. State or local amendments apply. Value: 2023 edition of the National Electrical Code (NFPA 70).

  40. Virginia

    Virginia: the 2020 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2024-01-18, adopted by the Virginia Board of Housing and Community Development. No state or local amendments are recorded. Value: 2020 edition of the National Electrical Code (NFPA 70).

  41. Washington

    Washington: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2024-04-01, adopted by the Department of Labor and Industries. State or local amendments apply. The 2026 edition takes effect 2026-12-31. Value: 2023 edition of the National Electrical Code (NFPA 70).

  42. West virginia

    West Virginia: the 2020 edition of the National Electrical Code (NFPA 70) is the edition named in the state's adopting rule, effective 2022-08-01, adopted by the West Virginia State Fire Commission. The rule does not apply statewide; outside its scope, adoption and enforcement of an electrical code rest with local governments. State or local amendments apply. Value: 2020 edition of the National Electrical Code (NFPA 70), not adopted statewide.

  43. Wisconsin

    Wisconsin: the 2023 edition of the National Electrical Code (NFPA 70) is the edition in force, effective 2026-09-01, adopted by the Department of Safety and Professional Services. State or local amendments apply. Value: 2023 edition of the National Electrical Code (NFPA 70).

  44. Wyoming

    Wyoming: the 2026 edition of the National Electrical Code (NFPA 70) is the edition in force, adopted by the Department of Fire Prevention and Electrical Safety. State or local amendments apply. Value: 2026 edition of the National Electrical Code (NFPA 70).