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State
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NEC Edition
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Comments
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Alabama
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-
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No statewide adoption of NEC; local jurisdictions can adopt and enforce different codes. 2008 NEC was adopted in 2/2008 for state buildings.
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Alaska
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2008
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Effective 9/27/2008. The Dept. of Labor and Workforce Development may, by regulation, adopt the most recent codes to constitute the minimum electrical safety standards.
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Arizona
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-
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The NEC is not adopted at the state level. Local authorities are enforcing 2005.
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Arkansas
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2008
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Effective 6/1/2008. Adopted with no amendments.
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California
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2005
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At the recent annual meeting of the California Building Officials (CALBO), California Building Standards Commission Executive Director announced that on January 12, 2010, the Commission approved adoption of the 2010 California Building Code, 2010 California Residential Code, 2010 California Green Building Code, and the 2010 California Electrical Code. These new codes are scheduled to be published on or before July 1, 2010, maintaining the target enforcement date of January 1, 2011. The building codes are based on the 2009 Editions of the ICC codes. The 2010 California Electrical Code (CEC) is based on the 2008 National Electrical Code with State amendments.
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Colorado
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2008
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Effective 7/1/2008. Adopted with no amendments.
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Connecticut
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2005
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Effective 12/31/2005.
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Delaware
|
2008
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The Delaware State Fire Prevention Commission promulgated the 2008 NEC with an effective date of November 11, 2009.
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District of Columbia
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2005
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Effective 12/26/2008. The 2008 DCMR 12 references the 2005 National Electrical Code.
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Florida
|
2008
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The State of Florida begins implementation of the 2008 National Electrical CodeŽ (NEC) October 1, 2009 with one amendment to safety
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Georgia
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2008
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Effective 1/1/2009. The only significant amendment that 2008 requirements for AFCI delayed until 1/1/2010.
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Hawaii
|
-
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There is no statewide adoption; each county has independent control.
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Idaho
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2008
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Effective 7/1/2008; adopted with amendments.
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Illinois
|
-
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There is no statewide adoption of the NEC. The following local jurisdictions have adopted the 2008 NEC: Bloomington, Danville, Decatur, Glenn Ellyn, Normal, Rock Island, State of Illinois Capital Development, Washington.
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Indiana
|
2008
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Effective 6/2/2009. Deleted all Arc-Fault circuit protection and Tamper Resistant Receptacle requirements.
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Iowa
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2008
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Effective 2/1/2009.
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Kansas
|
-
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There is no statewide adoption of the NEC in Kansas. 2002 Code was adopted for state-owned buildings but local jurisdictions can adopt different codes.
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Kentucky
|
2208
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2008 NEC adopted 7/29/09 and enforced effective September 1, 2009.
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Louisiana
|
2008
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Effective 1/1/2010.
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Maine
|
2008
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Effective 9/1/2008.
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Maryland
|
-
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The adoption of the NEC is at the local level. The state adopted the 2005 NEC for state-owned facilities.
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Massachusetts
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2008
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Effective 1/1/2008.
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Michigan
|
2008
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Effective 12/2/2009.
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Minnesota
|
2008
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Effective 9/15/2008; adopted without any amendments.
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Mississippi
|
-
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The NEC is adopted at local levels.
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Missouri
|
-
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The NEC is adopted and enforced at the local level.
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Montana
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2005
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Effective 2/24/2006.
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Nebraska
|
2008
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On April 13, 2010, the Governor of Nebraska signed LB 411 which mandates the adoption of the 2008 National Electrical Code (NEC) with an Effective date of July 12, 2010.
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Nevada
|
-
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The NEC is adopted and enforced at the local level.
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New Hampshire
|
2008
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Effective 7/1/2008.
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New Jersey
|
2008
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Effective 4/6/2009.
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New Mexico
|
2008
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Effective 7/1/2008.
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New York
|
2002
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On April 1, 2010 the Building Code Council voted to adopt the 2006 I-Codes. The Building Code is amended to reference the 2008 NEC. The IRC is amended by replacing Part VIII-Electrical Provisions (05 NEC) with the 2009 IRC Part VIII. (08 NEC). Effective after publication in the State Register and after the transition period. NYC is exempt.
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North Carolina
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2008
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Effective 6/1/2008.
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North Dakota
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2008
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Effective 4/1/2008; adopted with three amendments.
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Ohio
|
2008
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Effective 1/1/2009, without amendments.
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Oklahoma
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2008
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Effective 7/1/2008. Local code adoption is allowed provided the code meets the minimum state adopted standards.
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Oregon
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2008
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Effective 4/1/2008.
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Pennsylvania
|
2008
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Effective Dec 10, 2009 Pennsylvania adopted the 2009 International Building Code and 2009 International Residential Code which reference the 2008 NEC.
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Rhode Island
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2008
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Effective 8/1/2008.
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South Carolina
|
2008
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Adopted and Implemented 7/1/2009.
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South Dakota
|
2008
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Effective 7/1/2008.
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Tennessee
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2008
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Effective 1/1/2009 with amendments regulating electrical installations in dwellings.
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Texas
|
2008
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Effective 9/1/2008.
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Utah
|
2008
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Effective 1/1/2009 with no amendments.
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Vermont
|
2008
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Effective 12/1/2008.
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Virginia
|
2005
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Effective 3/1/2008.
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Washington
|
2008
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Effective 12/31/2008 with state amendments.
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West Virginia
|
2008
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West Virginia: As of July 1, 2010 the State of West Virginia adopted the 2008 NEC without amendment.
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Wisconsin
|
2008
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Effective 3/1/2009, with some exceptions targeted for adoption 1/1/2010.
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Wyoming
|
2008
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Effective 7/1/2008, with no amendments.
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