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NEC® adoption maps

ECCheadernew2Throughout the United States and around the world, NFPA 70®, National Electrical Code® (NEC®), published by the National Fire Protection Association (NFPA), sets the foundation for electrical safety in residential, commercial, and industrial occupancies. Learn more about adoption efforts, status, and the support of the Electrical Code Coalition, which works to increase focus and emphasis on electrical safety for persons and property through direct and full adoption, application and uniform enforcement of the latest edition of the NEC.

Where is the National Electrical Code® in effect?

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As of December 1, 2018, the 2017 NEC is in effect in 26 states, the 2014 NEC is in effect in 17 states, the 2011 NEC is in effect in 1 states, and the 2008 NEC is in effect in 3 states. If you have a question on the status of NEC adoption in any state, please contact your NFPA Regional Electrical Code Specialist

Note:The 2017 edition of the NEC was issued by the NFPA Standards Council on August 4, 2016. The effective date was August 24, 2016, when it officially became available for adoption by federal, state, county, and municipal governmental entities.

NEC in effect - 12/1/18

 


The National Electrical Code® process in progress

As of December 1, 2018, 26 states have completed its 2017 NEC adoption process. Eleven other states are in the process of updating the statute or administrative rule through which the NEC is adopted to reference the 2017 edition. Ten states have adopted the 2014, 2011 or 2008 of the NEC and are not in the process of updating the current adoption.

NEC process in progress - 12/1/18

The following table shows the current status of NEC adoption in those states having a statewide adoption that impacts construction, trade licensing, or both. Follow the link to the board or agency responsible for promulgating the NEC.

 

2011 (Effective date not established)
Texas 2014 (9/1/2014) Adoption process underway (9/1/17)

State

Currently adopted edition of the NEC (effective date)

2017 NEC adoption status (effective date)

Other editions of NEC adoption status (effective date)

Alabama

2014 (July 1, 2016, (Alabama Division of Construction Management)

 

 

Alaska

2017 (5/9/2018)

 

Arizona

Local adoption only 

 

 

Arkansas 

2017 with AR amendments (1/1/2018) 

 

 

California 

2014 (1/1/2017) 

Adoption process underway
(1/1/2020)

 

Colorado

2017 (6/1/2017) 

 

 

Connecticut

2017 (10/1/2018)

 

 

Delaware

2014 (3/11/2016)

Adoption process underway 
(Effective date not established)

 

Florida

2014 (12/31/2017)

Adoption process underway (12/31/2020) 

 

Georgia 

2017 (1/1/2018)

 

 

Hawaii 
2017 (8/21/2018)



Idaho
2017 (7/1/2017)


Illinois  2008 (7/1/11 - commercial occupancies for areas outside of local jurisdictions that have adoption authority)
Not in process
Not in process
Indiana
2008
One- and two-family dwellings -2018 IRC Electrical Chapters, based on 2017 NEC
(Effective date not established)
Not in process
Iowa 
2017 (1/1/2018) 
 
Kansas
2008 (2/4/11 - State Fire Marshal) Not in process Not in process
Kentucky
 
2014 (10/1/2014)  Adoption process underway (1/1/2019)   
Louisiana  2014 (2/1/2018)
 

Maine 
2017 with Maine amendments (11/6/2017)    
Maryland  2014 (1/1/2015)  Not in process   
Massachusetts   2017 w/MA Amendments (1/1/2017)     
Michigan   2014
Commercial (6/18/2015)
One- and two-family dwellings (2/8/2016) 
Adoption process underway (effective date not established)   
Minnesota 
 
2017 (7/1/2017)


Mississippi
Local adoption only    
Missouri 
Local adoption only
   
Montana 
2014 (10/23/2014) Adoption process underway (effective date not established)

Nebraska 
 
2017 (8/1/17)


Nevada
2011 (7/1/13 - Nevada State Pubic Works Division) Not in process Not in process
New Hampshire 
2017 with NH amendments (1/1/2018)

 
New Jersey
2014 (9/21/15 with 6 month grace period for new permits)
Adoption process underway
(effective date not established)
 
New Mexico 
2017 (2/1/2018)     
New York  2014 (4/6/2016 with 6-month grace period ending 10/3/2016)  Not in process  
North Carolina 
 
2017 (6/12/2018)

 
North Dakota 
 
2017 (7/1/2017)  
Ohio 
 

2017
Commercial (11/1/2017)

2014
One-, two- and three-family dwellings (1/1/2016)

One-, two- and three-family dwellings (7/1/2019)
 
Oklahoma 
 
2014
Commercial (11/1/2015)
Residential 2015 IRC Electrical
Chapters (11/1/2016) 
Adoption process underway
(effective date not established)
 
Oregon 
 
2017 with Oregon amendments (10/1/2017)
 
   
Pennsylvania
 
2014
 
 
Rhode Island 
 
2014 (7/1/2014)
 
Adoption process underway (effective date not established)
 
South Carolina
2014 (7/1/2016)
Adoption process underway (7/1/2019 projected)  
South Dakota 
 
2017 (7/1/2017)
 

 
Tennessee
2017 (10/1/2018)

 
Texas
2017 (9/1/2017)

 
Utah

2017 
Commercial (7/1/2018)

2014
One- and two-family dwellings (7/1/2016)


 
Vermont
2017 with Vermont amendments (10/1/2017)

 
Virginia
2014
 
   
Washington 2017 (7/1/2017)
 
West Virginia
2014 (8/1/2016)
Not in process  
Wisconsin
2017
Commercial (8/1/2018)
One- and two-family dwellings (1/1/2020)
 
Wyoming
2017 (7/1/2017)

 
Chicago 2017 with Chicago amendments (3/1/2018)
 
New York City
2008 w/NYC amendments (7/1/2011)

2014 (effective date not established)

 

2011 (Effective date not established)
Texas 2014 (9/1/2014) Adoption process underway (9/1/17)