Oklahoma master electrician exam: frequently asked questions

Yes. The Oklahoma Unlimited Electrical Contractor examination is identified as an open book examination. Candidates must follow PSI rules for approved references, permanent tabs, highlighting, underlining, indexing, written notes, and additional papers.

The Oklahoma Unlimited Electrical Contractor examination is listed with 100 scored items.

The Oklahoma Unlimited Electrical Contractor examination is listed with 240 minutes of testing time.

The passing score is 70% correct.

Yes. Oklahoma electrical examinations administered through PSI are open book. Candidates should follow the current Oklahoma Construction Industries Board and PSI exam instructions for the exact references, tabs, notes, calculators, and code edition allowed during testing.

The Oklahoma Unlimited Electrical Contractor examination is listed with a 70 percent passing score.

Oklahoma electrical licensing is administered through the Oklahoma Construction Industries Board.

Electrical licensing in Oklahoma is regulated by the Oklahoma Construction Industries Board.

Approved references include the National Electrical Code, Code of Federal Regulations - 29 CFR Part 1926 or the PSI selections version, and Ugly’s Electrical References by George V. Hart.

Oklahoma requires 12,000 verifiable hours of on-the-job electrical construction experience, proof of 4,000 hours as a licensed Unlimited Electrical Journeyman, and 6,000 hours in commercial industrial work obtained while employed by a licensed Electrical Contractor. A maximum of 2,000 hours may be satisfied by formal electrical education.

Oklahoma’s highest electrical licensing category is Electrical Contractor rather than one simple statewide Master Electrician title. Contractor categories include Unlimited Electrical Contractor, Residential Electrical Contractor, and Limited Electrical Contractor.

Oklahoma electrical licensing is commonly organized around contractor and journeyman classifications, including unlimited and residential categories. Candidates should confirm the exact license classification they need before applying.

The content outline includes general knowledge, general electrical knowledge, electrical installation requirements, services, feeders, branch circuits, overcurrent protection, grounding and bonding, conductors and cables, raceways and boxes, special occupancies and equipment, low voltage, alarms, signaling systems, communications, lighting and signs, safety, motors, and transformers.

Yes. Oklahoma electrical licensing is handled at the state level through the Oklahoma Construction Industries Board.

Oklahoma’s electrical licensing structure is centered on electrical contractor and journeyman license categories. Electrical contractor licensing is the highest ranking electrical license category in Oklahoma.

No. Electrical contracting is handled through Oklahoma electrical contractor licensing. Candidates who plan to contract for electrical work should review the contractor license category and requirements that apply to their work.

Yes. Candidates should confirm the required license category, eligibility requirements, application process, code edition, reference rules, and post-exam licensing steps before scheduling or taking an exam.

The current Oklahoma PSI bulletin lists the 2023 National Electrical Code, as revised and adopted by the Oklahoma Uniform Building Code Commission, for electrical code questions. This product is based on the 2026 NEC for updated code-cycle study and reference-navigation practice.

Yes. Oklahoma PSI rules allow approved references to be tabbed or indexed with permanent tabs only. Temporary tabs such as Post-it notes are not allowed.

Calculation practice is important because electrical exams can include load calculations, conductor sizing, branch circuit work, service and feeder calculations, box fill, raceway fill, motor calculations, transformer calculations, voltage drop, electrical theory, and other math-based topics. A dedicated calculations study guide helps candidates practice these skills consistently.

Exam-room reference rules are controlled by the current candidate bulletin and testing instructions. Candidates should review the official rules before test day to confirm which books and materials are permitted.

NEC tabs help candidates locate major articles, chapters, tables, and subject areas faster during study. This supports stronger code-navigation practice and helps candidates become more comfortable using the NEC as a reference.

PSI provides electrical testing services for Oklahoma candidates working through the Construction Industries Board examination program.