South Carolina master electrician exam: frequently asked questions

PSI administers the South Carolina commercial contractor examination program for the South Carolina Contractor’s Licensing Board.

Yes. South Carolina commercial contractor examinations are identified as open book examinations. Candidates must follow PSI rules for approved references, highlighting, underlining, indexing, permanent tabs, written notes, and additional papers.

The South Carolina Electrician - Commercial Contractor examination contains 80 questions.

The exam allows 5 hours for completion.

Candidates must answer 56 questions correctly out of 80, which equals a 70% passing score.

South Carolina electrical contractor and master-level trade examinations are commonly open book for approved references, subject to the current exam bulletin or licensing authority instructions. Candidates should follow the reference rules for their exact exam.

The South Carolina Electrician commercial contractor examination is listed with 80 questions.

The South Carolina Electrician commercial contractor examination is listed with 5 hours of testing time.

The South Carolina Electrician commercial contractor examination requires 56 correct answers to pass.

Commercial electrical contractor licensing is regulated by the South Carolina Contractor’s Licensing Board, under the South Carolina Department of Labor, Licensing and Regulation.

Yes. South Carolina Electrician - Commercial Contractor candidates may choose between the state-specific electrician exam and the NASCLA Accredited Trade Examination for Electrical Contractor when that path fits their licensing needs.

Approved references include the National Electrical Code with South Carolina modifications or the NEC Handbook, NFPA 72, American Electricians’ Handbook, 29 CFR Part 1926, Key Word Index by Tom Henry, and the South Carolina 811 Excavator Manual.

South Carolina does not use one simple statewide Master Electrician license title for every electrician. Electrical licensing is handled through contractor classifications and residential specialty licensing structures.

Commercial electrical contractor licensing is regulated through the South Carolina Contractor’s Licensing Board under mechanical contractor electrical classifications.

Residential electrical specialty licensing is handled through the South Carolina Residential Builders Commission.

South Carolina electrical licensing may involve the South Carolina Department of Labor, Licensing and Regulation, the Contractor’s Licensing Board, the Residential Builders Commission, municipal licensing programs, or approved testing programs depending on the type of work and credential involved.

Yes. South Carolina electrical licensing can vary by commercial contracting, residential electrical work, municipal master electrician recognition, and specialty requirements. Candidates should confirm the exact credential needed for their work.

South Carolina commercial electrical contractor licensing is handled through the South Carolina Contractor’s Licensing Board under the South Carolina Department of Labor, Licensing and Regulation.

Yes. South Carolina has state contractor licensing requirements that may apply to electrical contracting work, depending on the project type, scope, and business activity.

Yes. Candidates should confirm the required license or credential, application process, code edition, reference rules, exam format, and post-exam licensing steps before scheduling or taking an exam.

Yes. The 2026 NEC is useful for updated code-cycle study, code-navigation practice, calculations, and long-term electrical knowledge. Candidates should use the official NEC edition approved for their scheduled exam.

NEC tabs help candidates locate major articles, chapters, tables, and subject areas faster during study. This supports stronger code-navigation practice and helps candidates become more comfortable using the NEC as a reference.

Exam-room reference rules are controlled by the applicable licensing authority or testing provider. Candidates should confirm which books, tabs, highlights, notes, calculators, and code editions are allowed for their scheduled exam.

Yes. South Carolina Electrician - Commercial Contractor candidates are required to pass the Business Management and Law for Contractors examination in addition to the electrical trade examination.

Residential electrical candidates should study dwelling-unit wiring, services, feeders, branch circuits, load calculations, grounding and bonding, GFCI and AFCI protection, residential equipment, safety, and approved residential code references.

Yes. South Carolina commercial electrical contractor candidates are required to pass the Business Management and Law for Commercial Contractors examination in addition to the required technical exam or accepted trade exam route.

The content outline includes general electrical knowledge, services, feeders, branch circuits, grounding and bonding, conductors and cables, raceways and boxes, special occupancies and equipment, electrical power, motors, low voltage, lighting, illuminated signs, fire detection and alarm systems, and safety information.

Some South Carolina jurisdictions may have local electrician credentials, registrations, permit requirements, or inspection rules. Candidates should confirm the requirements for the city, county, municipality, or authority having jurisdiction where they plan to work.

Candidates pursuing state contractor licensing should review business and law topics when required by the licensing authority or testing provider. Electrical contractor preparation often includes both trade knowledge and contractor business responsibilities.

No. Requirements can depend on the license type, project scope, business activity, and jurisdiction. Candidates should confirm the authority and credential that apply to the work they plan to perform or contract for.