Charleston County, SC Building Safety: Electrical Permits (2026)
Key Facts
- Adopted code
- National Electrical Code, SC edition
- Permit required
- Install, alter, repair, replace electrical systems
- Application needs
- TMS/PID, valuation, signature (§105.3)
- Exempt
- Lamp replacement, approved receptacle connections
- Permit expires
- Unused after 180 days (§105.5)
- No permit before starting
- Double fee under §108.4
- Enforcing office
- Charleston County Building Official
Summary
Unincorporated Charleston County adopts the National Electrical Code under Sec. 4-16 (§101.4.2) for every wiring installation, alteration, repair and appliance connection, and Sec. 4-20 (§105.1) requires the owner or contractor to apply to the Building Official and obtain a permit before starting that work.
101.4.2 Electrical. The provisions of the National Electrical Code as adopted by the S.C. Building Codes Council shall apply to the installation of electrical systems, including alterations, repairs, replacement, equipment, appliances, fixtures, fittings and appurtenances thereto. ... 105.1 Required Permits. Any owner or authorized agent who intends to construct, enlarge, alter, repair, move, demolish, or change the occupancy of a building or structure, or to erect, install, enlarge, alter, repair, remove, convert or replace any electrical, gas, mechanical or plumbing system, the installation of which is regulated by "this code", or to cause any such work to be done, shall first make application; to the Building Official and obtain the required permit.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 21).
Full Breakdown
Sec. C. ' Sec. 1. 2 exempts minor repairs such as replacing a lamp or connecting approved portable equipment to an already-approved receptacle, plus temporary systems used only to test or service electrical equipment. 5 if work does not start within 180 days, though the Building Official may grant extensions of up to 180 days each on written request. Starting electrical work before a permit issues triggers a double fee under Sec. 4), on top of whatever penalty applies for the unpermitted work itself.
Violations & Fines
Doing electrical work that Sec. 4-20 requires a permit for, without first obtaining one, doubles the permit fee under Sec. 4-23 (§108.4) and exposes the owner or contractor to a misdemeanor charge under Sec. 4-30 (§115.1.1), with each day the violation continues counted as a separate offense. The Charleston County Building Official enforces the requirement and can suspend or revoke a permit issued on inaccurate information under §105.6.
Frequently Asked Questions
Do I need a permit to rewire an outlet in unincorporated Charleston County?
What happens if I start electrical work before getting the permit?
How long is an electrical permit good for?
Which electrical code does Charleston County actually enforce?
Sources & Official References
Other rules in Charleston County
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