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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?

NEW! CodeFinder™: Insight you need on NFPA codes and standards.

As of July 1, 2018, the 2017 NEC is in effect in 22 states, the 2014 NEC is in effect in 17 states, the 2011 NEC is in effect in three states, and the 2008 NEC is in effect in five 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.

National Electrical Code in effect - July 1, 2018

 

The National Electrical Code® process in progress

As of July 1, 2018, 22 states have completed its 2017 NEC adoption process. Twelve other states are in the process of updating the statute or administrative rule through which the NEC is adopted to reference the 2017 edition. There are two states currently in the process of adopting the 2014 NEC.

National Electrical Code process in progress - July 1, 2018

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

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) 

Not in process

 

Colorado

2017 (6/1/2017) 

 

 

Connecticut

2014 (10/1/2016)

Adoption process underway (10/1/2018) 

 

Delaware

2014 (3/11/2016)

Not in process

 

Florida

2014 (12/31/2017)

Adoption process underway (12/31/2020) 

  

Georgia 

2017 (1/1/2018)

  

 
Hawaii 
 2014 (3/27/2017)
 Adoption process underway (effective date not established) 
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
 Not in process 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 (Effective date not established)   
Louisiana  2014 (2/1/2018)
   2014 edition (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
Residential (1/1/2016)
 
Oklahoma 
 		 2014
Commercial (11/1/2015)
Residential 2015 IRC Electrical
Chapters (11/1/2016) 		 Not in process  
Oregon 
 		 2017 with Oregon amendments (10/1/2017)
 		    
Pennsylvania
 		 2008
 		   2014 (effective date not established)
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
 2008
 Adoption process underway (10/1/2018)  
Texas
 2017 (9/1/2017)
 
Utah
 2017
Commercial (7/1/2018)
One- and two-family dwellings (7/1/2016)
 
 
Vermont
 2017 with Vermont amendments (10/1/2017)
 
Virginia
 2011 (7/14/2014)
 		   2014 edition (9/4/2018) 
Washington 2017 (7/1/2017)
 
West Virginia
 2014 (8/1/2016)
 Not in process  
Wisconsin
 2011
 Adoption process underway (commercial 8/1/2018; residential 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)