Free Practice Test
South Carolina Commercial Electrical Contractor
Try 10 questions weighted like the real PSI Electrician exam — services and branch circuits, grounding, conductors, raceways, motors, electrical power and OSHA safety — on the 2023 NEC. You get a score for each area and a cited explanation for every answer.
What you’ll get
Your Score
See your percentage as soon as you enter your name and email.
Topic Breakdown
Find out which topics you're strong in and where you need work.
Codebook Explanations
Unlock detailed explanations with exact code references.
Free With Your Email
Enter your name and email after the test to see your score and the questions you missed.
The South Carolina Electrician trade exam for commercial contractors is 80 questions in 5 hours, open book, and you need 56 correct (70%). You may take it only twice in 12 months, so it pays to be ready the first time.
Related reading
South Carolina Electrician Exam Day: PSI, Open Book, 80 Questions in 5 Hours
What to expect on PSI's South Carolina Electrician exam for commercial contractors: scheduling, the books you may bring and how you may tab them, the calculator rule, experimental questions, the 56-of-80 pass mark and the twice-in-12-months attempt cap.
What's on the South Carolina Electrician Exam? The 13 Areas of PSI's Commercial Contractor Trade Exam
PSI's South Carolina Electrician exam for commercial contractors: 80 open-book questions in 5 hours, 56 to pass. The 13 content areas and their question counts, which books each area draws on, and a study plan built on the 2023 NEC.
South Carolina Electrical Contractor License (Commercial): Requirements, Exams, and Fees
How to get South Carolina's commercial electrical contractor license from the Contractor's Licensing Board: 2 years of commercial experience, the 80-question Electrician exam and the Business and Law exam, the twice-a-year attempt cap, $350 license fee and biennial renewal.