South Carolina Electrical Contractor

Direct answer (48 words): To get a electrical contractor license in South Carolina, choose your path: commercial electrical (Mechanical Contractor – Electrical subclassification) through the SC Contractors Licensing Board, or Residential Electrical Contractor through the Residential Builders Commission. Pass required exams, meet financial/bond standards, submit the correct application and fees, and renew on the state’s set cycle.

Requirements last verified: 2026-11-02

How to get a electrical contractor license in South Carolina

1. Choose your path. For commercial/industrial work over $10,000, apply to the CLB as a Mechanical Contractor with Electrical subclassification. For residential electrical contracting, apply to the RBC as a Residential Electrical Contractor. CLB scope; RBC overview.
2. Pass required exams. CLB requires the SC Business Management & Law exam plus an electrical trade exam; the NASCLA Electrical exam is accepted in lieu of a state-specific trade test. RBC requires a Residential Electrical trade exam plus Business & Law (administered by PSI). CLB exams; NASCLA acceptance; RBC exam instructions.
3. Document experience. RBC applicants must document at least one year of relevant experience on the application’s work-experience section/affidavit. CLB qualifying parties document competence via exam and qualification forms. RBC instructions; CLB licensure.
4. Meet financial or bond requirements. For CLB, qualify for a license group by financial statement or surety bond in your chosen group amount (Group 1–5). For RBC, file a $10,000 bond before taking any residential project exceeding $5,000. CLB groups; CLB bond; RBC bond rule.
5. Submit the correct application and fees. CLB initial license fee is $350 (Doc 165). RBC charges $135 to apply and $220 to issue the license. Include any required supporting documents (IDs, affidavits, financials/bonds). CLB fees; CLB forms; RBC fees.
6. Receive your license and maintain it. CLB Mechanical-Electrical licenses renew biennially on 10/31 of odd-numbered years ($135, late-fee schedule applies). RBC Residential Electrical licenses renew per the RBC cycle ($220). Keep your bond/financials current. CLB renewals; RBC renewals.

South Carolina electrical contractor license: commercial vs. residential

South Carolina uses two tracks. Commercial electrical contracting is licensed as a Mechanical Contractor with an Electrical subclassification through the CLB, required for regulated projects over $10,000. Residential electrical contracting is licensed by the RBC as a Residential Electrical Contractor for one- and two-family dwellings. See CLB scope and RBC overview.

Commercial (CLB – Mechanical Contractor, Electrical)

• Exams: SC Business Management & Law + electrical trade (or NASCLA Electrical). CLB exams; NASCLA acceptance.
• Financials/bond: qualify for a group limit (Group 1–5) via financial statement or a surety bond equal to the required amount (e.g., $7,000 for Group 1 up to $300,000 for Group 5). Doc 165; Bond package.
• Fees/renewal: $350 initial; biennial renewal $135; Mechanical licenses expire 10/31 in odd-numbered years. CLB fees & renewal dates.

Residential (RBC – Residential Electrical Contractor)

• Exams: Residential Electrical trade + Business & Law via PSI; certain exam waivers (e.g., NASCLA Electrical) are recognized. RBC instructions.
• Experience: show at least one year of experience on the application. RBC instructions.
• Bond: $10,000 bond must be on file before performing any job exceeding $5,000. RBC application (bond rule).
• Fees/renewal: $135 application; $220 license/renewal (late fees may apply). RBC fees; RBC renewals.

Required exams for a electrical contractor in South Carolina

CLB candidates must pass the SC Business Management & Law exam and an electrical trade exam. The NASCLA Accredited Electrical Examination may be used instead of a South Carolina-specific trade test. RBC candidates take a Residential Electrical trade exam plus Business & Law (PSI). CLB policy; NASCLA; RBC.

South Carolina electrical contractor license cost (all-in view)

Plan for exam fees (PSI/NASCLA), application/licensure ($350 CLB; $135 + $220 RBC), and bond premiums (CLB group bond or RBC $10,000 bond, if applicable). If you also work in HVAC, see our breakdown of HVAC contractor costs in South Carolina and our step-by-step South Carolina HVAC license guide for parallel requirements.

Renewing a electrical contractor license in South Carolina

CLB Mechanical-Electrical licenses renew biennially on 10/31 of odd-numbered years; the renewal fee is $135 with escalating late fees through January 31. RBC Residential Electrical renews per RBC’s cycle at $220. Maintain your financial statement or surety bond on file. CLB renewal; CLB renewal details; RBC renewal.

Frequently Asked Questions

Do I need both CLB and RBC electrical licenses?

No. Use CLB Mechanical–Electrical for regulated commercial work over $10,000, and RBC Residential Electrical for residential contracting. Many firms hold both to cover all markets, but each pathway is distinct with its own exams, fees, and financial/bond rules. CLB scope; RBC overview.

Is the NASCLA Electrical exam accepted in South Carolina?

Yes. The CLB accepts the NASCLA Accredited Electrical Examination in lieu of a state-specific electrical trade exam for qualifying parties. You must still pass the South Carolina Business Management & Law exam and meet all application and financial/bond requirements. CLB exam policy; NASCLA acceptance.

What bond or financials do I need?

CLB applicants choose a license group and either provide a qualifying financial statement or post a surety bond in the group amount (from $7,000 to $300,000). RBC requires a $10,000 bond before taking any residential job exceeding $5,000. CLB groups; RBC bond rule.

How long does it take to get licensed?

Time varies with exam scheduling and paperwork. Expect several weeks to pass required exams (PSI/NASCLA) and 1–3 weeks for board processing after a complete application with all financials/bonds and fees. Check current processing notices on the CLB and RBC pages. CLB; RBC.

When do South Carolina electrical contractor licenses expire?

CLB Mechanical Contractor licenses (including Electrical) expire October 31 of odd-numbered years; renewal is $135 with late-fee tiers. RBC Residential Electrical licenses renew per RBC’s cycle at $220. Always keep bonds/financials current before renewing. CLB fees; CLB renewal; RBC renewal.

Ready to move forward? License Navigator can walk you step-by-step through the exact South Carolina forms, exams, and bond requirements so you can get licensed faster and focus on jobs that grow your business.