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NEC Adoption by State

As of May 1, 2017, the 2017 NEC is in effect in one state, the 2014 NEC is in effect in 35 states, the 2011 NEC is in effect in five states, and the 2008 NEC is in effect in six states. 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 Adoption Map 0517

 


The National Electrical Code® process in progress

As of April 1, 2017 one state (Massachusetts) has completed its 2017 NEC adoption process. Twenty-three 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 four states currently in the process of adopting the 2014 NEC, and one state in the process of adopting the 2011 NEC.

NEC Process Map 0517

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)

Not in process

 

Alaska

2014 (3/6/2016)

Not in process

 

Arizona

Local adoption only 

 

 

Arkansas

2014 (11/21/2014) 

Adoption process underway (effective date not established)

 

California

2014 (1/1/2017) 

Not in process

 

Colorado

2014 (7/1/2014) 

(6/1/2017)

 

Connecticut

2014 (10/1/2016)

Adoption process underway (effective date not established) 

 

Delaware

2014 (3/11/2016)

Not in process

 

Florida

2011

 

2014 edition (12/31/2017)

Georgia

2014 (1/1/2015)

Adoption process underway (1/1/18) 

 

Hawaii 2014 (3/27/2017)    
Idaho 2014 (7/1/2014) (7/1/2017)  
Illinois 2008 Not in process Not in process
Indiana 2008 Not in process Not in process
Iowa 2014 (1/1/2015)  Adoption process underway (tentative effective date of 1/18/2018)  
Kansas 2008  Not in process Not in process
Kentucky
 
2014 (10/1/2014)  Adoption process underway (Effective date not established)   
Louisiana 2011   2014 edition (7/1/2017)
Maine 2014 (8/1/2014)  Adoption process underway (mid-2017)    
Maryland 2014 (1/1/2015)  Not in process   
Massachusetts 2017 w/MA Amendments (1/1/2017)     
Michigan 2014
Commercial (6/18/2015)
Residential (2/8/2016) 
Adoption process underway (effective date not established)   
Minnesota
 
2014 (7/1/2014)    
Mississippi Local adoption only    
Missouri Local adoption only    
Montana 2014 (10/23/2014) Not in process  
Nebraska
 
2014 (4/9/2014)    
Nevada 2014 Not in process Not in process
New Hampshire 2014 (1/1/2015)
 
Adoption process underway (1/1/2018)   
New Jersey 2014 (9/21/15 with 6 month grace period for new permits) Not in process  
New Mexico 2014 (8/1/2014)  Adoption process underway (9/1/17)   
New York 2014 (4/6/2016 with 6-month grace period ending 10/3/2016)  Not in process  
North Carolina
 
2014 (4/1/2016) Adoption process underway (4/1/2018)  
North Dakota
 
9/1/2014    
Ohio
 
2014
Commercial (11/1/20175)
Residential (2/8/2016)
   
Oklahoma
 
2014
Commercial (11/1/2015)
Residential 2015 IRC Electrical
Chapters (11/1/2016) 
Not in process  
Oregon
 
2014 (10/1/2014)
 
Adoption process underway (10/1/2017)   
Pennsylvania
 
2008
 
Not in process  Not in process
Rhode Island
 
2014 (7/1/2014)
 
Adoption process underway (effective date not established)  
South Carolina 2014 (7/1/2016) Not in process  
South Dakota
 
2014 (7/1/2014)
 
Adoption process underway (7/1/2017)  
Tennessee 2008   2011 edition (effective date not established) 
Texas 2014 (9/1/2014) Adoption process underway (9/1/2017)   
Utah 2014 (7/1/2016)
 
Adoption process underway (effective date not established)  
Vermont 2014 (10/1/2017) Adoption process underway (Fall/2017)  
Virginia 2011 (7/14/2014)
 
  2014 edition (3/2018) 
Washington 2014 (7/14/2014)    
West Virginia 2014 (8/1/2016) Not in process  
Wisconsin 2011 Adoption process underway (9/1/2017)  
Wyoming 2014 (7/1/2014) (7/1/2017)  
New York City 2008 w/NYC amendments (7/1/2011)   2014 (effective date not established)
 

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