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NEC® Adoption List
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State |
NEC Edition |
Comments |
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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.
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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. |
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Arizona |
- |
The NEC is not adopted at the state level. Each municipality is free to adopt and amend the NEC. |
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Arkansas |
2017 |
Effective 1/1/18 |
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California |
2014 |
Effective on January 1, 2017. |
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Colorado |
2017 |
Effective 7/1/2017
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Connecticut |
2017 |
Effective October 1, 2018. |
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Delaware |
2014 |
As of 3/15/2016 |
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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. |
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Florida |
2014 |
2014 NEC as of December 31, 2017. The 6th Edition (2017) Florida Building Code goes into effect, based on the 2015 I-Codes and includes adoption of the 2014 NEC, with no state amendments. |
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Georgia |
2017 |
with no state amendments, effective January 1, 2018. |
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Hawaii |
2014 |
Effective 3/27/17. |
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Idaho |
2017 |
2017 NEC effective July 1, 2017. |
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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. |
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Indiana |
2008 |
Effective 6/2/2009. Deleted all Arc-Fault circuit protection and Tamper Resistant Receptacle requirements. |
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Iowa |
2017 |
Effective 1/1/18 |
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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. |
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Kentucky |
2014 |
KY Dept. of Housing, Building & Construction Board voted to move forward with the adoption of the 2014 NEC un-amended, with an effective date of 7/1/2014. |
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Louisiana |
2014 |
Effective 2/1/2018 |
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Maine |
2017 |
November 6, 2017 |
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Maryland |
2014 |
Maryland has adopted 2014 NEC for all state buildings as of January 1, 2016 and by acceptance through local County ordinances as the installation standard of electrical wiring and systems. Maryland law allows Cities and Counties to adopt other editions of the NEC as they choose. |
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Massachusetts |
2017 |
Effective January 1, 2017. |
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Michigan |
2014 |
Effective June 18, 2015.This code adoption affects commercial & three and larger multi-family structures in the state, and also Michigan specific amendments. |
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Minnesota |
2017 |
2017 NEC effective July 1, 2017 |
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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. |
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Missouri |
- |
The NEC is adopted and enforced at the local level. The city of St Louis adopted 2017 NEC effective 8/1/18. |
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Montana |
2014 |
Effective October 23, 2014 |
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Nebraska |
2017 |
2017 NEC with an effective date of August 1, 2017 |
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Nevada |
- |
The NEC is adopted and enforced at the local level. |
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New Hampshire |
2017 |
Effective January 1, 2018. |
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New Jersey |
2014 |
Effective September 21, 2015. The State of New Jersey, Dept. of Community Affairs, Division of Code and Standards officially adopts the 2014 edition of the National Electrical Code (NEC) w/amendments upon the publication in the New Jersey Register on September 21, 2015 as the official electrical sub-code of the New Jersey Uniform Construction Code (NJAC 5:23). The electrical sub-code will have a six-month grace period ending on March 8, 2016. |
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New Mexico |
2017 |
2017 NEC effective 2/1/2018 |
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New York |
2014 |
Effective October 3, 2016 - with a transition period for the newly adopted Uniform Code from April 6, 2016 to October 3, 2016. The Uniform Code update incorporates the following documents by reference: 2015 I-Codes including the 2015 IECC and by reference; 2014 National Electrical Code, 2013 ASHRAE 90.1., 2016 Energy Code Update. New York City currently on 2008 NEC. |
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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 |
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North Dakota |
2017 |
2017 NEC with effective date of 7/1/2017
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Ohio |
2017 |
Effective November 1, 2017 for all occupancies excluding 1-, 2-, & 3-Family dwellings. |
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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.
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Oregon |
2014 |
Oregon adopted 2014 NEC effective 10/1/2014 with amendments.
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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. |
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Rhode Island |
2014 |
Effective 7/1/2014. |
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South Carolina |
2014 |
Effective 7/1/2016 |
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South Dakota |
2017 |
Effective July 1, 2017. Included in the rules package is the adoption of the 2015 edition of the International Building Code (IBC) along with the 2017 NEC with amendments. |
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Tennessee |
2017 |
Effective date October 1, 2018 |
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Texas |
2017 |
2017 NEC effective September 1, 2017 |
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Utah |
2014 |
2014 NEC and the 2015 I-codes effective on July 1, 2016 |
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Vermont |
2017 |
Effective October 1, 2017, with a few state-specific amendments. |
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Virginia |
2014 |
The effective date of the 2015 Virginia Codes will be July September 4, 2018. This includes the 2014 National Electrical Code. |
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Washington |
2014 |
The 2014 National Electrical Code, with Washington State amendments, becomes effective on July 1, 2014 |
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West Virginia |
2014 |
As of July 1, 2016.
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Wisconsin |
2017 |
Effective 8/1/18 for commercial structures; planned adoption 2020 for one- and two-family dwellings. |
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Wyoming |
2017 |
Effective 7/1/2017 without amendment. |