Most states adopt the National Electrical Code (ANSI/NFPA standard 70) as a guide for licensed electrical installation. Other use the National Electrical Safety Code (ANSI/IEEE standard C2) or both. Others have no electrical codes or enforcement authority, preferring to leave such matters solely in the jurisdiction of local authorities.
The State of Alabama Building Commission adopts and enforces the following codes for Electricians:
- 2008 National Electrical Code,
- 2006 International Building Code,
- 2006 International Fire Code.
The Alaskan Department of Labor oversees electrical installations in places of employment and public structures. The Department of Labor can authorize public and private utility inspectors to act as state inspectors. Electrical installations must conform to:
- Current editions of the National Electrical Code,
- Current edition of the National Electrical Safety Code,
- Amendments approved by the American National Standards Association.
Arizona offers no electrical regulations by state government. Most municipalities use the National Electrical Code, while residential, commercial and industrial electrical installations must be in accordance with the Federal Housing Administration’s Minimum Property Standards and Manual of Acceptable Practices. Codes are enforced by municipalities and counties.
The State Board of Electrical Examiners enforces reported violations. Municipalities may choose to use local inspectors to enforce code. All installations must conform to the 2008 National Electrical Code.
While the Department of Industrial Relations oversees electrical installations in places of employment under their jurisdiction, local building regulations are enforced by local inspectors, with the DIS providing support and consultations. All California electrical installations must conform to:
- 2007 California Building Code,
- 2007 California Fire Code.
Hotels, motels, apartment houses, and other dwellings are subject to the California Department of Housing and Community Development, Division of Housing and Building Standards, which enforces the most recent edition of the National Electrical Code.
State electrical inspectors enforce the 2007 National Electrical Code and standards adopted by the Colorado State Electrical Board. Local jurisdictions may have more stringent codes.
The Department of Consumer Protection oversees electrical installation inspections. Installations must conform to the Consumer Protection Department and Electrical Board of Occupational Licensing, closely modeled on the 2005 National Electrical Code.
Private inspectors approved by the state ensure electrical installations conform to the 2005 National Electrical Code.
District of Columbia
Installations must conform to the 2005 National Electrical Code, with supplemental requirements from DC Construction Codes. Inspection is overseen by the Third-Party Inspection Program.
Florida uses the latest editions of the National Electrical Code. Enforcement agencies include:
- Local inspection and building departments,
- The State Fire Marshall,
- The State Hotel and Restaurant Commission,
- The State Board of Electrical Examiners (in locations where no local jurisdiction exists).
Georgia’s electrical code includes:
- 2005 National Electric Code,
- 2005 Georgia Amendment,
- Country amendments,
- The rules and regulations of the State Fire Marshal and the Insurance Commissioner.
Code enforcement is handled by country and municipal authorities.
Hawaii has no electrical regulations by state oversight, although the Hawaii Building Codes Commission is in agreement to adopt the 2008 National Electrical Code. Individual counties are responsible for enforcing electrical codes.
Electrical installations must conform to the latest National Electrical Code, which is enforced by the Idaho State Electrical Bureau.
Illinois has no electrical regulations by state authority. Most municipalities adopt the latest edition of the National Electrical Code.
Electrical installations are based on the 2008 National Electrical Code with minor amendments. Code enforcement is shared by local governments and the State Building Commissioner.
Iowa has no state inspection requirements, with enforcement a matter for local government. The state has, however, adopted the following codes:
- 2003 International Building Code,
- 2005 National Electrical Code.
The Kansas Fire Prevention Code is mandatory statewide, with the 2003 National Electrical Code required for state-owned buildings. Code enforcement is left to local jurisdictions.
Installations must conform to the 2008 National Electrical Code, with inspections governed by local cities and counties.
Louisiana has no standard electrical regulations by state, save that state-owned buildings and hospitals conform to the 2005 National Electrical Code. Local jurisdictions use a variety of codes.
New installations must conform to the National Electrical Code, State statutes, local ordinance, and local regulations. The Department of Professional and Financial Regulation, Office of Licensing and Registration enforces codes.
Counties and municipalities either perform their own installation inspections or use private inspection cases. Electrical work is subject to two codes, both in accordance with the 2005 National Electrical Code:
- The Maryland Building Performance Standards,
- The Maryland Building Rehabilitations Code.
State inspection is required for state transportation projects, while local jurisdictions appoint their own electrical inspectors. All installations must abide by the 2008 Massachusetts Electrical Code (a modified version of the 2008 National Electrical Code).
State licensed electrical inspectors enforce the 2005 Michigan Electrical code, which combines the following:
- 2005 National Electrical Code,
- Michigan Residential Code,
- Electrical Code Rule part 8.
Electrical codes include:
- 2008 National Electrical Code,
- National Electrical Safety Code,
- Current edition of the Minnesota State Building Code.
The State Board of Electricity or local municipalities are responsible for installation inspections.
Mississippi has no electrical regulations by state agencies or statewide inspection.
Missouri has not electrical regulations by state agencies. Local jurisdictions use different editions of the National Electrical Code.
Electrical installations use the National Electrical Code and must be inspected.
Electrical installations must conform to the National Electrical Code. Local jurisdictions can use more stringent code. All state and public educational buildings are inspected by the State Electrical Board. Other inspections fall under local inspection programs.
Local jurisdictions appoint their own electrical inspectors, and installations must conform to the following:
- National Electrical Code,
- National Electrical Safety Code.
The latest edition of the National Electrical Code is enforced by the Department of Community Affairs. Municipalities may appoint their own DCA-certified inspector or use a DCA-approved private inspection agency.
Electrical inspections are performed by state or municipal inspectors, who enforce the following codes:
- 2008 National Electrical Code,
- 2008 New Mexico Electrical Code.
All New York work must be inspected by the New York Board of Fire Underwriters, Bureau of Electricity.
Electrical work in North Carolina must conform to North Carolina Building Code Council regulations, which are based on the 2008 National Electrical Code. Municipalities can add up to five supplemental rules.
Inspection is the duty of municipal and country electrical inspection departments. State-owned buildings are inspected by the North Carolina Department of Insurance, Engineering and Building Codes Division.
Electrical installations are subject to the most current edition of the National Electrical Code. Inspections must be employed or certified by the State Electrical Board or appointed by individual municipalities.
With the exception of one-, two, or three-family dwellings, all buildings must conform to the 2005 National Electrical Code. Commercial or industrial installations must adhere to the 2007 National Electrical Code.
Oklahoma uses the 2005 National Electrical Code as a minimal standard, and provides statewide electrical inspection.
The Oregon Electricity Specialty Code is based on the 2006 National Electrical Code with some amendments. The code is enforced by the Building Codes Agency or local municipalities.
The 2005 National Electrical Code is regulated by local jurisdictions, with permits and plans licensed by the Commonwealth of Pennsylvania.
Local municipalities perform electrical inspections based on regulations set out by the State Board of Examiners of Electricians and the Telecommunications Board. Regulations are based on:
- The current National Electrical Code,
- The State Building Code.
The 2005 National Electrical Code applies to all jurisdictions. Some jurisdictions also use Annex G of the 2005 NEC. Inspections are conducted by The Building Codes Council.
Electrical code must conform to the National Electrical Code and National Electrical Safety Code. Inspections are the responsibility of the State Electrical Commission and local municipalities.
The State Fire Marshall Regulation No. 15 includes the latest edition of the National Electrical Code. Inspections fall under the authority of the State Fire Marshal’s office, metropolitan areas, or the State Department of Insurance for rural areas.
The 2008 National Electrical Code is the minimum standard for Texas’ electrical installations.
All installations must satisfy the guidelines set out in the most recent National Electrical Code. No statewide inspection system exists.
Installations conform to the most recent edition of the National Electrical Code. The State Electricians Licensing Board oversees most inspections.
Residential and non-residential construction must comply with the 2005 National Electrical Code and the VUSWBC.
Installations must conform to the following:
- The National Electrical Code,
- The American National Standard Institute,
- Modifications issued by the Department of Labor and Industries.
All inspections are subject to Department of Labor and Industries oversight, expect for local jurisdictions who adopt equal or better standards, in which case local inspectors can be used if they meet DLI requirements.
Installations must conform to:
- The 2008 National Electrical Code,
- The International Residential Code.
No statewide inspection system exists.
Electrical installation must conform to the Wisconsin Administrative Rules, Chapter Comm 16 Electrical. All electrical work is inspected by state-certified inspectors. Municipalities can certify their own inspectors or use private inspection agencies.
The State Electrical Inspector enforces compliance with the 2008 National Electrical Code.
States differ widely in their electrical codes and requirements, so it’s vital to stay abreast of changes. Familiarizing yourself with the 2017 National Electrical Code is an excellent way to stay informed.