Colorado adopted
2011 NEC 1/24/11
NEC Adoption by State
North Dakota
with implementation
7-1-11 adopted 2011 NEC
1/1/11 with
Abbreviated Details on Page 2
implementation
9-1-11
Ohio adopted 2011 ME
WA
NEC May2011 for
Commercial only
MT ND MI VT
with implementation
MN 11-1-11 NH
NY MA
OR WI
ID CT RI
SD MI
WY
PA NJ
IA
NB OH MD DE
NV IN
IL
UT WV
VA
CA CO
KS MO
KY
NC
TN
State
Adopted
SC Virginia Housing
AZ AR
NM OK Board adopted 2009
GA
TX MS AL IRC with 2008 NEC
1/24/11 with
implementation
State Adopted 3-1-11, but with
LA
Unincorporated 2005 AFCI
Areas
AK St. Louis, MO
adopted &
FL
implemented 2011
NEC 2/3/11. Was
on 1999 NEC
Basically 2008 NEC 2011 NEC – 2 State 2008 NEC – 37States
but some islands back
to 2002 NEC 2005 NEC – 2 States Local Adoption – (9)
Revised June 1, 2011 Note: Some local adoption states have earlier than 2005 adoptions in some jurisdictions
State Adoption Implementation State Adoption Implementation
Alabama Local Adoption See Adoption Report Montana May 2010 7/30/10
Alaska January 1, 2009 1/1/09 Nebraska 4/13/10 7/12/10
Arizona Local Adoption See Adoption Report Nevada Local Adoption See Adoption Report
Arkansas May 1, 2008 6/1/08 New Hampshire 6/13/08 7/1/08
California Jan 2010 1/1/2011 New Jersey 4/6/09 10/6/09
Colorado Jan 24, 2011 7/1/11 New Mexico 5/1/08 7/1/08
Connecticut Chose to stay 2005 08 Under Review New York 12/28/09 July 2010
Delaware June 9, 2009 11/11/09 North Carolina March 11, 2008 6/1/08
Florida June 2009 1/1/09 North Dakota 1/1/11 9/1/11
Georgia November 2008 1/1/09 Ohio 12/14/07 1/1/08
Hawaii 4/16/10 varies Oklahoma State & Local Adoption See Adoption Report
Idaho 8/15/07 7/1/08 Oregon January 2011 4/1/011
Illinois Local Adoption See Adoption Report Pennsylvania Ref to IBC – 12/10/09 1/1/10
Indiana August 2009 9/26/09 Rhode island Adopted June 19, 2008 9/1/08
Iowa 11/1/08 2/1/09 South Carolina Accepted 2/25/09 9/1/09
Kansas Local Adoption See Adoption Report South Dakota 4/25/08 8/1/08
Kentucky August 2009 9/1/09 Tennessee December 2008 1/28/09
Louisiana April 14, 2009 1/1/10 Texas State & Local Adoption See Adoption Report
Maine Adopted June 20, 2008 9/1/08 Utah Adopted NEC & IRC ? 1/1/09
Maryland Local Adoption See Adoption Report Vermont 12/1/08 12/1/08
Massachusetts December 8, 2010 1/1/11 Virginia 1/24/11 3/1/11
Michigan October 2009 12/2/09 Washington 12/31/08
Minnesota July 8, 2008 9/15/08 West Virginia 7/1/10 9/1/10
Mississippi Local Adoption See Adoption Report Wisconsin 9/1/08 3/1/09
Missouri Adopted 05’ NEC 5/1/08 2008 NEC not until 5/11’ Wyoming 2/28/08 7/1/08