Free Practice Test
Ohio Electrical Contractor
Try 10 questions weighted like the real PSI trade exam — services, feeders and branch circuits, transformers, conductors, motors and generators and special occupancies — on the 2023 NEC, the edition the exam tests. You get a score for each area and a worked explanation for every calculation.
What you’ll get
Instant Score
See your percentage and how you compare immediately.
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 to Unlock
Enter your email after the test to see which questions you missed.
The OCILB electrical contractor trade exam is 100 scored questions in 4 hours, open book, and you need 70% to pass. You also need 5 years in the trade to sit it, and a separate business and law exam to be licensed.
Related reading

Ohio Electrical Contractor Exam Day: PSI, Your References, and Pacing 4 Hours
What to expect on the OCILB electrical contractor trade exam with PSI: the 2023 NEC, Handbook, Ugly's and field references you may bring, PSI's on-screen calculator, 100 scored plus 10 pretest items, the 70% pass mark, the 60-day retake rule and the separate Business & Law exam.

What's on the Ohio Electrical Contractor Exam? All 9 Areas and How to Study Them
The PSI outline for the OCILB electrical contractor trade exam: 100 scored items across nine areas, all on the 2023 NEC, no Ohio law in the trade exam, and a study plan built on the published weights.

Ohio Electrical Contractor License: OCILB Requirements, Exams, and Reciprocity
What the Ohio Construction Industry Licensing Board requires for an electrical contractor license: five years in the trade, the PSI trade and Business & Law exams, $500,000 insurance, annual renewal with 10 hours of CE, and the ten states with reciprocity.