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NEC® Adoption List
|
|
State |
NEC Edition |
Comments |
|
Alabama |
2014 |
Effective October 1, 2016. The AERC Board has adopted the 2015 International Energy Conservation Code as the Alabama Residential Energy Code and the 2015 International Residential Code as the Alabama Residential Building Code. This incorporates the 2014 NEC.
|
|
Alaska |
2017 |
The Alaska Administrative Code, now adopts by reference the 2017 National Electrical Code and the 2017 National Electrical Safety Code (ANSI C2-2017). Both codes became effective on May 9, 2018. |
|
Arizona |
- |
The NEC is not adopted at the state level. Each municipality is free to adopt and amend the NEC. |
|
Arkansas |
2017 |
Effective 1/1/18 |
|
California |
2017 |
Effective on January 1, 2020. The 2019 building codes for California include the 2017 NEC (found in the California electrical code) and exams will be based on the 2017 NEC. |
|
Colorado |
2020 |
Effective on August 1, 2020
|
|
Connecticut |
2017 |
Effective October 1, 2018. |
|
Delaware |
2014 |
As of 3/15/2016 |
|
District of Columbia |
2011 |
District of Columbia adopts the 2013 DC Construction Codes March 28, 2014. The 2013 Construction Codes are based on the 2012 model codes published by the International Code Council (ICC), and the 2011 National Electrical Code with amendments to reflect unique District policies and characteristics. |
|
Florida |
2017 |
The 7th Edition (2020) Florida Building Code in effect on December 31. 2020. The 2020 edition is based on the 2018 I-Codes and includes adoption of the 2017 NEC. |
|
Georgia |
2020 |
effective January 1, 2021 |
|
Hawaii |
2017 |
Effective 1/1/19. |
|
Idaho |
2017 |
2017 NEC effective July 1, 2017. |
|
Illinois |
- |
There is no statewide adoption of the NEC. The state adopted the 2008NEC statewide effective July 1, 2011 for non-building code jurisdictions. The following local jurisdictions have adopted the 2008 NEC: Bloomington, Danville, Decatur, Glenn Ellyn, Mattoon, Normal, Rock Island, State of Illinois Capital Development, Washington. |
|
Indiana |
2008 |
Effective 6/2/2009. Deleted all Arc-Fault circuit protection and Tamper Resistant Receptacle requirements. |
|
Iowa |
2020 |
Effective 4/1/21 |
|
Kansas |
- |
There is no statewide adoption of the NEC in Kansas. 2008 NEC was adopted by the state for state-owned buildings, but local jurisdictions can adopt and enforce different codes. |
|
Kentucky |
2017 |
The 2018 KBC and the 2018 KRC went into effect on Aug. 22, 2018. The mandatory effective date for the 2018 KBC and the 2018 KRC is Jan. 1, 2019. |
|
Louisiana |
2014 |
Effective 2/1/2018 |
|
Maine |
2017 |
November 6, 2017 |
|
Maryland |
2017 |
Adoption of 2018 edition of I-codes and other codes, includes the 2017 NEC, effective March 25, 2019. |
|
Massachusetts |
2017 |
Effective January 1, 2017. |
|
Michigan |
2017 |
2017, effective January 4, 2019. The Michigan Department of Licensing and Regulatory Affairs (LARA) has updated the MI Part 8 Rules Electrical Code (2017 NEC) for 3 –Family and larger and commercial structures in the state. |
|
Minnesota |
2020 |
2020 Effective November 17, 2020 |
|
Mississippi |
2014 |
Effective 5/1/2017. The updated MFPC is based on the 2015 International Building Code, 2015 International Fire Code, and 2015 International Residential Code. The 2014 National Electrical Code and NFPA 72-2013 are adopted as referenced. The MFPC applies to all state owned buildings, places of assembly, buildings over 75' in height, correctional facilities, and private fraternity and sorority houses. Jurisdictions may adopt local fire codes that are not less stringent than the MFPC, as determined by the State Fire Marshal. |
|
Missouri |
- |
The NEC is adopted and enforced at the local level. The city of St Louis adopted 2017 NEC effective 8/1/18. |
|
Montana |
2017 |
Effective December 7, 2019 |
|
Nebraska |
2017 |
2017 NEC with an effective date of August 1, 2017 |
|
Nevada |
- |
The NEC is adopted and enforced at the local level. |
|
New Hampshire |
2017 |
Effective January 1, 2018. |
|
New Jersey |
2017 |
2017 NEC effective September 3, 2019, as part of the makeup of the new Uniform Construction Codes (UCC) for the State. |
|
New Mexico |
2017 |
2017 NEC effective 2/1/2018 |
|
New York |
2017 |
2017 NEC effective 5/12/2020. The official effective date of the 2020 New York State Uniform Fire Prevention and Building Code and State Energy Code, which references the 2017 National Electrical Code, is May 12, 2020, for all local jurisdictions statewide except for the City of New York. |
|
North Carolina |
2017 |
The North Carolina Building Code Council has adopted the 2017 NC Electrical Code (2017 NEC) with an effective date of June 12, 2018 |
|
North Dakota |
2020 |
2020 NEC with an effective date of 1/1/2021
|
|
Ohio |
2017 |
Effective November 1, 2017 for all occupancies excluding 1-, 2-, & 3-Family dwellings. |
|
Oklahoma |
2014 |
Effective November 1, 2015. The OUBCC has adopted the International Building Code 2015 Edition as the statewide minimum code for commercial building construction, the International Fire Code 2015 Edition, as the statewide minimum code for residential and commercial fire prevention and fire protection systems and the International Existing Building Code 2015 Edition as the statewide minimum code for commercial existing building construction, The National Electrical Code 2014 Edition as the statewide minimum code for commercial electrical construction.
|
|
Oregon |
2020 |
The new 2021 OESC, based on the 2020 National Electrical Code (NEC), has been adopted and becomes effective April 1, 2021. |
|
Pennsylvania |
2014 |
Effective 10/1/18, with amendments and modifications to certain sections. Philadelphia adopts 2017 NEC effective October 1, 2018, ahead of the State's UCC. |
|
Rhode Island |
2017 |
Effective 8/1/2019 |
|
South Carolina |
2017 |
Effective 1/1/2020 |
|
South Dakota |
2020 |
Effective July 1, 2020, with exceptions. |
|
Tennessee |
2017 |
Effective date October 1, 2018 |
|
Texas |
2020 |
2020 NEC effective November 1, 2020 |
|
Utah |
2017 |
2017 for Commercial (7/1/2018); 2014 for One- and two-family dwellings (7/1/2016) |
|
Vermont |
2017 |
Effective October 1, 2017, with a few state-specific amendments. |
|
Virginia |
2014 |
The effective date of the 2015 Virginia Codes is July September 4, 2018. This includes the 2014 National Electrical Code. |
|
Washington |
2020 |
2020 NEC was adopted with minimal amendments, effective 11/1/20. |
|
West Virginia |
2017 |
As of March 24, 2020 |
|
Wisconsin |
2017 |
Effective 8/1/18 for commercial structures; planned adoption for one- and two-family dwellings is January 2020. |
|
Wyoming |
2020 |
Effective 7/1/2020 |
