Stay Current on Electrical Codes by State

This page summarizes the major provisions of the electrical codes in your state. For more current or detailed information, contact us at (301) 621-9545 or toll free at (800) 470-3013.


The Delaware State Fire Prevention Commission adopted the 2011 National Electrical Code (NEC®), effective December 11, 2012. 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.


State of Delaware
Division of Professional Regulation
Cannon Building
861 Silver Lake Boulevard, Suite 203
Dover, DE 19904-2467
(302) 739-4522
(302) 739-2711 fax


The adoption of the NEC is at the local level. The state adopted the 2008 NEC on 1/1/2010 for state-owned facilities.


Licensing: Electrical Inspectors/ Services
Department of State Police
Office of the State Fire Marshal
1201 Reisterstown Road
Pikesville, MD 21208
410-653-8988 fax
Maryland Codes Administration

North Carolina

The 2012 NC General Assembly Session adjourned on July 3, 2012 and the 2011 National Electrical Code is now in effect in North Carolina as of July 3, 2012.


Office of State Fire Marshal
Physical Address:
322 Chapanoke Rd.
Raleigh, NC 27603

Mailing Address:
1202 Mail Service Center
Raleigh, NC 27699-1202
(919) 661-5880
(800) 634-7854


Effective Dec 10, 2009 Pennsylvania adopted the 2009 International Building Code and 2009 International Residential Code which reference the 2008 NEC.


Construction Regulation Department of General Services
Public Works – Headquarters Building
18th & Herr Street, Room 104
Harrisburg, PA 17125
(717) 787-6371
(717) 772-3399 fax
Bureau of Occupational and Industrial Safety
Department of Labor and Industry
1600 Labor and Industry Building
Harrisburg, PA 17120


Effective May 1, 2008 the Virginia Uniform Statewide Building Code (VUSWBC) is based on the 2006 ICC family of codes. All residential construction and non-residential construction will use the 2005 National Electrical Code (NEC).


Virginia Board for Contractors
Department of Professional Occupational Regulation
3600 West Broad Street
Richmond, VA 23230
(804) 367-8511
(804) 367-2945

Washington, DC

Installations must conform to the 2005 National Electrical Code (NEC), supplemented by additional requirements which constitute the DC Construction Codes.


Dept. of Consumer & Regulatory Affairs
Government of the District of Columbia
941 North Capitol Street NE
8201 Corporate Drive
Washington, DC 20002
Department DC-EL

West Virginia

The 2008 Electrical Code was effective from July 1, 2010 and is currently effective.


West Virginia Fire Marshal
1207 Quarrier St., (2nd Flr.)
Charleston, WV 25301