Free Practice Test
Oklahoma Unlimited Electrical Contractor
Try 10 questions weighted like the real PSI trade exam — services and branch circuits, grounding, installation requirements, lighting and signs, special occupancies and OSHA safety — on the 2023 NEC as Oklahoma adopts it. You get a score for each area and a worked explanation for every calculation.
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 Oklahoma Unlimited Electrical Contractor trade exam is 100 questions in 4 hours, open book, and you need 70% to pass. Every contractor also passes the separate 50-question Business and Law exam.
Related reading

Oklahoma Unlimited Electrical Contractor Exam Day: PSI, Two Portions, and Pacing 4 Hours
What to expect on the Oklahoma unlimited electrical contractor exam with PSI: scheduling with your Ok Con ID, the three references and how you may mark them, 100 questions in 240 minutes, 70% on each portion, Business and Law, and 30-day retakes.

What's on the Oklahoma Unlimited Electrical Contractor Exam? All 13 Areas and the Oklahoma Amendments
The PSI outline for the Oklahoma unlimited electrical contractor trade exam: 100 items across 13 areas on the 2023 NEC as adopted by the OUBCC, the two Oklahoma amendments that change answers, where the 2026 NEC stands, and a study plan built on the weights.

Oklahoma Unlimited Electrical Contractor License: Requirements, Fees, and Two PSI Exams
What the Oklahoma CIB requires for an unlimited electrical contractor license: 12,000 hours plus two years as a licensed journeyman, the PSI trade and Business and Law exams at $92 each, the $5,000 bond and insurance, annual renewal and how reciprocity really works.