- 100 scored questions, 4 hours, 70% to pass, open book, computer delivered via PSI for $92.
- Six domains tie for the highest weight - don't assume any single topic dominates the exam.
- You need 8,000 hours of registered experience, including 4,000 commercial/industrial hours, plus you must be 18+.
- Only permanent tabs are allowed in your code book - no NEC Handbooks, no spiral-bound copies.
Quick Facts Snapshot
This page is built as a single-stop reference for the Oklahoma Unlimited Electrical Journeyman Examination - the credential the Oklahoma Construction Industries Board licenses and PSI administers. If you've already done the deep-dive reading, use this cheat sheet the week before your test date to refresh numbers, format details, and domain names without re-reading a full study guide. For the longer walkthrough, see the OK-ELEC Study Guide 2026.
| Item | Detail |
|---|---|
| Administering body | PSI (licensing by Oklahoma Construction Industries Board) |
| Exam fee | $92 |
| Questions | 100 scored (plus up to 10 unscored experimental items) |
| Time limit | 4 hours |
| Passing score | 70% |
| Format | Computer delivered, open book |
| Code edition | 2023 NEC |
| Initial license fee | $75 |
| Renewal fee | $75 annually |
| CE requirement | 12 hours every 36 months, starting 2026 |
Exam Format at a Glance
The OK-ELEC exam is 100 scored questions delivered by computer at a PSI test center, and you're given 4 hours to finish. Because the exam is open book, the clock is really testing your ability to locate and apply code language fast, not memorize it word for word. A passing score is 70%, which means you can miss up to 30 scored questions and still hold your license.
PSI may slip in up to 10 unscored, experimental questions among the 100 scored ones. You won't know which items are experimental, but the time you spend on them doesn't count against your 4-hour limit in a way that penalizes you - treat every question as if it counts, since you can't tell them apart anyway.
For a realistic sense of how tough this format feels under time pressure, read How Hard Is the OK-ELEC Exam? Complete Difficulty Guide 2026, and check the exact score mechanics in OK-ELEC Passing Score 2026: Exactly What You Need to Pass.
The 13 Domains, Fast
The current outline is built around 13 content areas, and six of them tie for the highest weight on the exam. That's an important planning detail: you can't skate by focusing on just two or three topics and hoping the rest is filler. Below is a condensed rundown of each domain and the kind of question you should expect.
Domain 1: General Knowledge
Broad code-structure and definitions questions that set up everything else.
- Know how NEC articles are organized and cross-referenced
Domain 2: General Electrical Knowledge
Foundational electrical theory applied to code scenarios.
- Ohm's Law and power calculations in applied contexts
Domain 3: Electrical Installation Requirements
Installation methods and general requirements spanning multiple article types.
- Working space, clearances, and general wiring methods
Domain 4: Services, Feeders, and Branch Circuits
Sizing and installation rules for the backbone of any electrical system.
- Service entrance conductor sizing and feeder calculations
Domain 5: Overcurrent Protection
Breaker and fuse sizing, coordination, and protection rules.
- Standard ampere ratings and conductor protection matching
Domain 6: Grounding and Bonding
One of the most calculation- and table-heavy domains on the exam.
- Grounding electrode conductor and bonding jumper sizing tables
Domains 7 through 13 - Conductors and Cables, Raceways and Boxes, Special Occupancies and Equipment (Including Swimming Pools), Low Voltage/Alarms/Signaling Systems and Communications, Lighting and Signs, Safety, and Motors and Transformers - round out the outline. Since six domains carry the top weighting, don't assume the smaller-sounding categories are safe to skip; a full breakdown of every domain's scope lives in OK-ELEC Exam Domains 2026: Complete Guide to All 13 Content Areas.
Key Takeaway
Because six domains tie for top weight, build your review calendar around all of them rather than guessing which single topic matters most.
Eligibility Checklist
Before you even think about scheduling with PSI, confirm you meet the base requirements the Oklahoma Construction Industries Board sets for the unlimited electrical journeyman classification:
- Be at least 18 years old
- Document 8,000 hours of registered electrical-construction experience
- Of those hours, at least 4,000 must be commercial or industrial
- Up to 2,000 hours of the total may be satisfied through formal electrical education
These numbers are strict floors, not suggestions - your application paperwork needs to reflect registered, verifiable hours. If you're still accumulating experience or want the full documentation walkthrough, see OK-ELEC Requirements 2026: Eligibility, Prerequisites & How to Qualify.
Fees and Renewal Math
Budget for two separate costs: the exam itself and the license. PSI charges $92 to sit for the exam. Once you pass, the initial journeyman application and license runs $75. After that, plan on a $75 annual renewal fee to keep the license active.
Continuing education enters the picture starting in 2026: license holders will need 12 approved CE hours every 36 months. That's a rolling three-year cycle, so it's worth tracking your CE hours annually rather than scrambling before a renewal deadline. For the complete cost breakdown across exam, license, and renewal cycles, see OK-ELEC Certification Cost 2026: Complete Pricing Breakdown.
What You Can (and Can't) Bring
Because this is an open-book exam based on the 2023 NEC, what you're permitted to bring into the test center matters as much as what you've studied.
- Allowed: A standard 2023 NEC codebook with permanent tabs
- Allowed: A silent, nonprinting, nonprogrammable calculator
- Not allowed: NEC Handbooks (the annotated/commentary versions)
- Not allowed: Spiral-bound NEC copies
- Not allowed: Removable sticky tabs or loose paper inserts - tabs must be permanent
Test centers enforce these rules strictly, and showing up with the wrong codebook edition or format can cost you the appointment fee entirely. Confirm the accepted book format before your scheduled date - details on scheduling logistics are covered in OK-ELEC Exam Dates 2026: Testing Windows, Deadlines & Scheduling.
Final-Week Review Plan
If you've already worked through a full study plan, use this final stretch to reinforce weak spots rather than start new material. A short, domain-anchored review in the days before your test keeps momentum without burning you out.
Grounding, Bonding, and Overcurrent Protection
- Re-work grounding electrode conductor sizing tables
- Drill breaker/fuse ampere-rating scenarios
Services, Feeders, Branch Circuits, and Motors/Transformers
- Practice feeder and service calculations under a timer
- Review motor overload and transformer sizing rules
Light Review and Logistics
- Skim Special Occupancies and Low Voltage/Signaling domains
- Confirm codebook tabs, calculator, and ID for test day
Timed practice questions matter more than re-reading notes at this stage. Run a full-length simulation on the OK-ELEC practice test platform so the 4-hour pacing feels familiar before you sit for the real thing.
Day-of-Exam Checklist
On exam day, small logistical mistakes cost real points because they eat into your 4-hour window. Run through this list before you leave home:
- Government-issued photo ID matching your PSI registration
- 2023 NEC codebook with permanent tabs only (no handbook, no spiral binding)
- Silent, nonprinting, nonprogrammable calculator
- Confirmation of your PSI appointment time and test center address
- A pacing plan: roughly 2-3 minutes per question across 100 scored items, leaving buffer for calculation-heavy domains like Grounding and Bonding or Services, Feeders, and Branch Circuits
Key Takeaway
Arrive early enough to settle in - a rushed check-in eats into your 4-hour testing window before you've answered a single question.
Once you're licensed, plenty of employers across Oklahoma actively look for unlimited journeyman credential holders; see who's hiring and what roles typically require this license in OK-ELEC Jobs. If you're weighing whether the time and fees are worth it before you commit, Is the OK-ELEC Certification Worth It? Complete ROI Analysis 2026 and OK-ELEC Salary Guide 2026: Complete Earnings Analysis lay out the broader picture. And if you want pass-rate context to calibrate your expectations, OK-ELEC Pass Rate 2026: What the Data Shows is a useful companion read. You can also run more mixed-domain practice sets anytime at the practice test hub to keep your recall sharp right up to test day.
FAQ
There are 100 scored questions plus up to 10 unscored experimental items, with a 4-hour time limit total.
You need 70% correct on the scored portion of the exam to pass.
No. NEC Handbooks and spiral-bound NEC copies are not allowed; only a standard 2023 NEC with permanent tabs is permitted.
You need 8,000 hours of registered electrical-construction experience, including at least 4,000 commercial or industrial hours, with up to 2,000 hours creditable through formal electrical education.
The exam fee through PSI is $92, the initial license is $75, and renewal is $75 annually, with 12 CE hours required every 36 months starting in 2026.