Which NEC edition does South Carolina enforce?

NEC 2020 (current)

The short answer

South Carolina enforces NEC 2020, the current edition there, statewide, in effect since January 1, 2023.

Current edition
NEC 2020 (current)
Adoption
Statewide
In effect since
January 1, 2023
Primary source
www.llr.sc.gov

Code adoption cycles change. Always confirm the edition and amendments in force with your Authority Having Jurisdiction (AHJ) before permitting work.

How does South Carolina adopt the NEC?

South Carolina adopts the NEC statewide through the Building Codes Council, with South Carolina modifications to each edition.

What are South Carolina's amendments to the NEC?

The app's record for South Carolina lists no individual amendments; the adoption summary above says how the state applies the code.

Who issues electrical permits in South Carolina?

Local building departments issue permits and inspect under the statewide code baseline.

Who licenses electricians in South Carolina?

Statewide licensing of electrical contractors through LLR: commercial work under a Mechanical Contractor license with the Electrical (EL) classification from the Contractor's Licensing Board, and residential work over $500 under a Residential Electrician license from the Residential Builders Commission. Licensing board: South Carolina Department of Labor, Licensing and Regulation (LLR) - Contractor's Licensing Board.

South Carolina Department of Labor, Licensing and Regulation (LLR) - Contractor's Licensing Board

Is South Carolina moving to a newer NEC edition?

NEC 2023 with the 2024 I-codes takes effect 2027-01-01. The Building Codes Council adopted them on 2025-08-26, and the South Carolina modifications were published as final regulations in the State Register on 2026-05-22 (Regulation 8-1100 for the NEC). NEC 2020 applies until then.

Is South Carolina on NEC 2026?

No. NEC 2026 is the newest edition; the one current in South Carolina is NEC 2020, two editions older. NFPA publishes a new edition every three years and each state adopts on its own schedule.

What changed in NEC 2026, section by section

Also on NEC 2020