NEC adoption
Which edition of the National Electrical Code each state and the District of Columbia enforces, with the adopting instrument for each.
Data table (43 rows)
| State | Edition | Record |
|---|---|---|
| Alaska | 2020 edition of the National Electrical Code (NFPA 70) | nec.adoption.AK |
| Maine | 2026 edition of the National Electrical Code (NFPA 70) | nec.adoption.ME |
| Wisconsin | 2023 edition of the National Electrical Code (NFPA 70) | nec.adoption.WI |
| Vermont | 2023 edition of the National Electrical Code (NFPA 70) | nec.adoption.VT |
| New Hampshire | 2023 edition of the National Electrical Code (NFPA 70) | nec.adoption.NH |
| Washington | 2023 edition of the National Electrical Code (NFPA 70) | nec.adoption.WA |
| Idaho | 2023 edition of the National Electrical Code (NFPA 70) | nec.adoption.ID |
| Montana | 2023 edition of the National Electrical Code (NFPA 70) | nec.adoption.MT |
| North Dakota | 2026 edition of the National Electrical Code (NFPA 70) | nec.adoption.ND |
| Minnesota | 2026 edition of the National Electrical Code (NFPA 70) | nec.adoption.MN |
| Michigan | 2023 edition of the National Electrical Code (NFPA 70) | nec.adoption.MI |
| New York | 2023 edition of the National Electrical Code (NFPA 70) | nec.adoption.NY |
| Massachusetts | 2026 edition of the National Electrical Code (NFPA 70) | nec.adoption.MA |
| Oregon | 2026 edition of the National Electrical Code (NFPA 70) | nec.adoption.OR |
| Wyoming | 2026 edition of the National Electrical Code (NFPA 70) | nec.adoption.WY |
| South Dakota | 2023 edition of the National Electrical Code (NFPA 70) | nec.adoption.SD |
| Iowa | 2023 edition of the National Electrical Code (NFPA 70) | nec.adoption.IA |
| Indiana | 2008 edition of the National Electrical Code (NFPA 70) | nec.adoption.IN |
| Ohio | 2023 edition of the National Electrical Code (NFPA 70) | nec.adoption.OH |
| New Jersey | 2023 edition of the National Electrical Code (NFPA 70) | nec.adoption.NJ |
| Connecticut | 2020 edition of the National Electrical Code (NFPA 70) | nec.adoption.CT |
| Rhode Island | 2023 edition of the National Electrical Code (NFPA 70) | nec.adoption.RI |
| California | 2023 edition of the National Electrical Code (NFPA 70) | nec.adoption.CA |
| Utah | 2023 edition of the National Electrical Code (NFPA 70) | nec.adoption.UT |
| Colorado | 2026 edition of the National Electrical Code (NFPA 70) | nec.adoption.CO |
| Nebraska | 2023 edition of the National Electrical Code (NFPA 70) | nec.adoption.NE |
| Kentucky | 2023 edition of the National Electrical Code (NFPA 70) | nec.adoption.KY |
| West Virginia | 2020 edition of the National Electrical Code (NFPA 70), not adopted statewide | nec.adoption.WV |
| Virginia | 2020 edition of the National Electrical Code (NFPA 70) | nec.adoption.VA |
| Maryland | 2017 edition of the National Electrical Code (NFPA 70) | nec.adoption.MD |
| Delaware | 2023 edition of the National Electrical Code (NFPA 70) | nec.adoption.DE |
| New Mexico | 2020 edition of the National Electrical Code (NFPA 70) | nec.adoption.NM |
| Kansas | 2008 edition of the National Electrical Code (NFPA 70) | nec.adoption.KS |
| Arkansas | 2026 edition of the National Electrical Code (NFPA 70) | nec.adoption.AR |
| Tennessee | 2017 edition of the National Electrical Code (NFPA 70) | nec.adoption.TN |
| North Carolina | 2020 edition of the National Electrical Code (NFPA 70) | nec.adoption.NC |
| South Carolina | 2020 edition of the National Electrical Code (NFPA 70) | nec.adoption.SC |
| District of Columbia | 2014 edition of the National Electrical Code (NFPA 70) | nec.adoption.DC |
| Oklahoma | 2023 edition of the National Electrical Code (NFPA 70) | nec.adoption.OK |
| Alabama | 2020 edition of the National Electrical Code (NFPA 70), not adopted statewide | nec.adoption.AL |
| Georgia | 2023 edition of the National Electrical Code (NFPA 70) | nec.adoption.GA |
| Hawaii | 2020 edition of the National Electrical Code (NFPA 70) | nec.adoption.HI |
| Texas | 2026 edition of the National Electrical Code (NFPA 70) | nec.adoption.TX |
- 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.
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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).
- 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.
- 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).
- 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).