Free Practice Test
Oklahoma Residential Electrical Contractor
Try 10 questions weighted like the real PSI trade exam — electrical theory, installation requirements, services and branch circuits, grounding 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 Residential Electrical Contractor trade exam is 80 questions in 3½ hours, open book, and you need 70% to pass. It tests the NEC, not the residential code, and every contractor also passes the Business and Law exam.
Related reading
Oklahoma Residential Electrical Contractor Exam Day: PSI, Two Portions, and 80 Questions in 3½ Hours
What to expect on the Oklahoma residential electrical contractor exam with PSI: booking the trade and Business and Law portions, the three books and how you may mark them, the calculator rule, 210 minutes, the 56-of-80 pass mark, 30-day retakes and the three-year window.
What's on the Oklahoma Residential Electrical Contractor Exam? All 12 Areas and How to Study Them
The PSI outline for the Oklahoma residential electrical contractor trade exam: 80 items across 12 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 Residential Electrical Contractor License: Requirements, Fees, and Both Exams
What the Oklahoma CIB requires for a residential electrical contractor license: two years as a licensed journeyman, the 80-question trade exam and the Business and Law exam, $330 in CIB fees, the $5,000 bond and $50,000 insurance, annual renewal and reciprocity.