Call: (800)-443-5233   Email:

NEC Code Adoptions by State

StateAdoption ByNEC CodeExam CodeDate
Alabama State 201120112012-10-01
  Alabama adopted the 2012 edition of the IRC effective 10/1/2012 as well as the 2011 NEC. Also adopted the 2009 IECC effective 10/1/2012.
Alaska State 201120112012-10-16
 The State of Alaska adopted the 2011 NEC as of October 16, 2012. The state Division of Labor Standards and Safety enforces the electrical codes; The Mechanical Inspection Section has jurisdiction over the electrical inspection and adoption process. The electrical code may be found at:
Arizona Local Jurisdiction 2008
 Not adopted by the state. Phoenix and surrounding communities enforcing 2008 NEC.
Arkansas State 201120112012-01-01
 Adopted without amendment.
California State 201120082014-01-01
 The 2011 NEC was adopted in January 2013, and will be implemented starting January 1, 2014. The State adopts all construction codes through the California Building Standards Commission (CBSC). Input is received form several state agencies with involvement in construction: artichect, health, housing, and fire marshal. Each of these agencies might change the code only for those structures under its jurisdiction. Local jurisdictions enforce the adopted codes and may not alter the California codes without approval from the CBSC based on local geographic, climactic, or geologic conditions.
Colorado State 201120112011-07-01
  The state of Colorado adopted the 2011 NEC without amendment, with an effective date of July 1, 2011.
Connecticut State 20052005/20082005-12-31
 Under review for the 2008 NEC adoption.
Delaware State 201120112012-12-11
 The 2011 NEC is adopted in its entirety with the exception of two amendments regarding the installation of smoke alarms on branch circuits protected by Arc-Fault Circuit-Interrupters. The amendments are the same as those made with the adoption of the 2005 and 2008 NEC. Sections 210.12(B) and 550.25(B).
Florida State 200820082009-01-01
 The 2008 NEC was implemented October 1, 2009 with one amendment - 680.22(B) - GFCI protection for one and two family homes was deleted on a political vote by the Florida Building Commission.
Georgia State 201120112012-01-01
 2011 NEC adopted without any amendments.
HawaiiLocal Counties200820082010-04-16
 The state adopted the 2008 NEC, but it is the counties that enforce codes. Counties can adopt and enforce any code.
Idaho State 200820082008-07-01
 Idaho will not adopt the 2011 NEC and plans to adopt the 2014 NEC in July of 2014.
IllinoisLocalNo Licensing at state level
 There is no statewide adoption of the NEC. The state adopted the 2008 NEC statewide effective July 1, 2011 for non-building code jurisdictions.The following local jurisdictions have adopted the 2008 NEC: Bloomington, Danville, Decatur, Glenn Ellyn, Normal, Rock Island, State of Illinois Capital Development, Washington.
IndianaState2008No Licensing at state level2009-09-26
 The state of Indiana adopted the 2008 NEC with amendmends by deleting any requirements for Tamper Resistant and by deleting AFCI. However, Indiana has not adopted the latest edition of the IRC even though proposals have been sent to the Residential Committee. The 2008 NEC adoption was implemented September 26, 2009.
Iowa State 201120112012-01-01
 The state adopted the 2011 NEC without amendment.
KansasLocalNo Licensing at state level
 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.
 2011 NEC adopted without any amendments.
 The Maine Office of Licensing and Registration, Electricians Examining Board recently amended and approved to the standards, which replaces the reference to 2008 National Electrical Code (NEC®) with a reference to the 2011 NEC®. The 2011NEC®, with six technical amendments, becomes effective on July 19, 2011.
MarylandState/Local Jurisdiction200820112010-01-01
 This adoption is for State Buildings and those jurisdictions that do not have local adoption.
 Adopted the 2014 NEC on 1/1/14. Amendment link:
 Michigan has adopted the Michigan Part 8 Rule-set which includes the 2011 National Electrical Code (NEC) with an effective date of July 1, 2013. This adoption affects all structures in the state except for one and two family dwellings. The standards contained in the 2011 NEC, except sections 110.24, 501.30B, 502.30B, 503.30B, 505.25B, 506.25B, 547.1 to 547.10, and Annex H, as published by the national fire protection association (NFPA), shall govern the installation, replacement, alteration, relocation, and use of electrical systems or material.
 2011 NEC adopted without any amendments.
MississippiLocal Jurisdiction, Except Building Codes in five Coastal Counties2005
 There is no statewide adoption of the NEC. Electrical Codes are mainly the 2005 and 2008 adopted on local basis.
MissouriLocal Adoption2005No Licensing at state level
 The State of Missouri is a local adoption state. However, the City of St. Louis adopted the 2011 NEC without amendment on February 3, 2011.
 The State of Montana adopted the 2011 NEC without significant amendment. Montana is a "Mini/Maxi" state. The NEC is both the minimum and maximum electrical installation code. Cities and counties are not permitted to amend the NEC as adopted by the State.
 2011 NEC adopted without any amendments.
NevadaLocal Jurisdiction2005
 Nevada does not adopt or enforce building codes by state law.
New HampshireState201120112011-07-01
 2011 NEC currently adopted with one amendment. The 2014 NEC will be adopted on 1-1-2015. This adoption date coincides with a new Ruling of the State Electrical Board (RSA 319-C:6-c) to require all licensed Electricians to acquire all Continuing Education hours (15) relating to the 2014 NEC before January 1, 2015.
New JerseyState20112011-contractor only2012-05-07
 Effective May 7, 2012, the 2011 National Electrical Code with amendments became the electrical standard for all new electrical installations in the state.
New MexicoState201120112011-11-01
New YorkState2008No Licensing at state level2010-07-01
 On July 10, 2012 the State Fire Prevention and Building Code Council gave conditional approval to move to the 2011 NEC. The DCEA has completed the legal documents, text etc. for submission to the Governor’s Office for their approval to go to the public comment period. Once submitted the process should take a few months. The public comment period and hearings will be posted on the DCEA web site ( It is anticipated that there will be enough time for a transition period to go to the 2011 NEC.
North CarolinaState201120112012-07-03
North DakotaState201120112011-09-01
OhioState2008, 2011 - on Commercial Bldgs only2008/20112013-01-01
 2011 NEC (Commercial Bldg only) Nov 1, 2011 . Residential code for 1-2 &3 family dwellings was adopted with an effective date of January 1, 2013
OklahomaState Adoption - But Local adoption is allowed201120082012-11-01
 All commercial electrical construction in Oklahoma will be in accordance with the 2011 National Electrical Code without the informative annexes.
 Oregon developed its own "Low-Rise Residential Code" to cover all dwellings up to 3 stories, including electrical. The electrical requirements are based on NFPA 70A and have been harmonized to the 2011 Edition of NFPA 70. The Electrical & Elevator Board adopts the code by rule.
PennsylvaniaState2008No Licensing 2010-01-00
 2009 ICC Codes NEC by reference in IBC.
Rhode IslandState201120112011-08-01
 There are three technical amendments: 210.25, 230.82 and 230.24(A) Ex. No. 5
South CarolinaState Adopted - But with the IRC also prominent.201120082013-07-01
 2011 National Electrical Code (with modifications). Licensing exam will move to 2011 NEC on September 1, 2013.
South DakotaState201120112011-07-01
 The 2011 NEC was adopted and became effective on July 1, 2011 with several minor amendments. However, the AFCI & GFCI amendments that were in place for the 2008 NEC adoption have been deleted for the 2011 NEC.
TennesseeState, Except for 34 Local Jurisdictions200820082009-01-28
 No real activity has occurred as yet on 2011 NEC adoption.
TexasState Adoption - But Local Jurisdictions May Amend201120112011-09-01
 Texas will adopt the 2014 NEC on September 1, 2014.
 The State has also adopted the 2009 International Residential Code (IRC) in its entirety, including the electrical chapters. With the 2009 IRC containing the residential requirements from the 2005 NEC, there is inconsistency in technical requirements, as it has been determined that the electrical provisions of the IRC apply to buildings covered under that code. Therefore, a jurisdiction will enforce the 2011 NEC for apartments, condominium, and other multi-family dwellings, but revert to the 2005 NEC for one-family and two-family dwellings. The 2012 IRC is set for adoption on 7/1/2013, th AFCI issue is still open for debate as it is currently amended to only cover the language as defined in the 2005 NEC for 1 and 2 family dwellings and townhomes.The Utah Building Code web site is
 The Code can be viewed online at:
 2008 NEC is included in the adoption of the Virginia Uniform Building Code, which is basically a book with amendments to referenced ICC Codes and the National Electrical Code. The code adoption is shown only as NFPA 70 in Chapter 27 of the Vigginia UBC, with the NEC edition shown in the front of the book under administrative. No adoption of the 2011 NEC should be expected for at least 2 more years.
 The 2014 NEC will be implemented starting in July 2014, it was adopted Sept 2013. The State is finalizing State amendments, and will skip the 2011 NEC and go from the 2008 NEC to the 2014 NEC.
West VirginiaState201120112013-09-01
 AFCI - Receptacle was amended from the 2011 NEC adoption. On 1/30/14 They voted to move it to “ General File.” General File is the first time the full Legislature has the opportunity to debate and vote on bills. At this stage, senators consider amendments, which may be proposed by committees and by individual senators. Many people consider General File to be the most crucial stage of the legislative process because it is where most compromises are reached. It takes a majority vote of the Legislature (25 votes) to adopt amendments or move a bill from General File to the next stage of consideration.
 2011 NEC adopted without any amendments.

The NEC National Electrical Code is updated every three years. This guide offers a list of the NEC codes adopted in each state, along with dates of adoption and any amendments in effect.

Go to top of page