Oklahoma Residential Electrical Contractor Exam Prep - Live Virtual + Self Study Training

Prepare for the Oklahoma Residential Electrical Contractor licensing examinations with a structured combination of live virtual instruction and self-study training. This program is designed for electrical professionals pursuing the Residential Electrical Contractor license through the Oklahoma Construction Industries Board and focuses on electrical theory, National Electrical Code navigation, residential wiring, services and feeders, grounding and bonding, overcurrent protection, raceways, conductors, OSHA safety, and contractor Business and Law preparation.

The Oklahoma Residential Electrical Contractor classification is limited to electrical contracting for buildings defined by the National Electrical Code as one- and two-family dwellings. Candidates pursuing this contractor license should be prepared to demonstrate both technical electrical knowledge and an understanding of the business, legal, and regulatory responsibilities associated with operating an electrical contracting firm.

The technical examination tests knowledge of the design, planning, layout, installation, repair, and alteration of electrical conductors, fixtures, appliances, apparatus, raceways, conduit, and related equipment used for light, heat, power, data, and communications in residential applications.

Live Virtual + Self Study Training provides two complementary approaches to preparation. Live virtual instruction organizes the exam subjects and reference materials into focused study sessions, while self-study gives candidates additional time to review NEC requirements, practice electrical calculations, strengthen code-navigation skills, and work independently through contractor Business and Law topics.

The technical examination is open book, making familiarity with the National Electrical Code, 2023 edition, OSHA 29 CFR Part 1926, and Ugly's Electrical References an important part of preparation. Candidates should practice using these materials repeatedly rather than waiting until examination day to learn how they are organized.

Exam Details

The Oklahoma Residential Electrical Contractor examination is administered by PSI after the Oklahoma Construction Industries Board determines that an applicant meets the qualifications required to proceed with testing.

• Exam: Oklahoma Residential Electrical Contractor
• Number of Questions: 80 scored questions
• Passing Score: 70%
• Passing Raw Score: 56 correct answers
• Time Allowed: 210 minutes
• Testing Provider: PSI

The technical examination is divided among the following major subject areas:

• General Knowledge: 4 questions
• General Electrical Knowledge: 12 questions
• Electrical Installation Requirements: 10 questions
• Services, Feeders, and Branch Circuits: 10 questions
• Overcurrent Protection: 8 questions
• Grounding and Bonding: 8 questions
• Conductors and Cables: 8 questions
• Raceways and Boxes: 6 questions
• Special Occupancies and Equipment: 4 questions
• Low Voltage, Alarms, Signaling Systems, and Communications: 2 questions
• Lighting and Signs: 4 questions
• Safety: 4 questions

General Electrical Knowledge is the largest single category with 12 questions. Candidates should review voltage, current, resistance, series and parallel circuits, power, power loss, fundamental AC theory, three-phase AC concepts, troubleshooting, testing, NEC definitions, and temporary wiring.

Electrical Installation Requirements and Services, Feeders, and Branch Circuits each contain 10 questions. Candidates should understand approved wiring methods, electrical equipment installation, residential services, feeders, branch circuits, voltage drop, and circuits serving air-conditioning, refrigeration, and other residential loads.

Overcurrent Protection, Grounding and Bonding, and Conductors and Cables each contain eight questions. These areas deserve dedicated study because together they account for a substantial portion of the technical examination.

Contractor candidates must also prepare for the separate Oklahoma Electrical Business and Law examination.

• Business and Law Questions: 50 scored questions
• Passing Score: 70%
• Passing Raw Score: 35 correct answers
• Time Allowed: 120 minutes

Business and Law topics include bidding and estimating, project management and supervision, contracts, financial management, labor and personnel, risk management, payroll and payroll taxes, and licensing requirements.

Open Book Test

The Oklahoma Residential Electrical Contractor examination is an open-book test. Candidates may bring the approved examination references into the testing center while following the applicable PSI rules for permitted materials.

The current technical exam reference list includes the National Electrical Code, 2023 edition as revised and adopted in Oklahoma; Code of Federal Regulations - 29 CFR Part 1926 (OSHA) with applicable amendments; and Ugly's Electrical References. Candidates should prepare using the specifically listed NEC edition because code questions are based on that edition.

Approved references may be highlighted, underlined, and indexed before the examination. Permanent tabs are permitted. Temporary tabs such as Post-it notes are not allowed. Candidates may not add written notes to examination references before or during the testing session.

Open-book testing does not eliminate the need for code knowledge. Candidates should know whether a question concerns services, feeders, branch circuits, overcurrent protection, grounding, conductors, raceways, boxes, special equipment, communications, lighting, or OSHA safety before beginning a reference search.

The National Electrical Code should be used repeatedly during preparation. Candidates should become comfortable with the index, definitions, article organization, tables, conductor requirements, grounding provisions, residential wiring rules, and other commonly tested areas.

Ugly's Electrical References can support review of electrical formulas, calculations, conversions, terminology, and quick-reference information. OSHA 29 CFR Part 1926 supports preparation for jobsite sanitation, PPE, excavation safety, emergency action plans, ladders, scaffolds, fall protection, workplace illumination, material handling, and related construction-safety topics.

Licensing Steps

The Oklahoma Construction Industries Board regulates electrical contractor licensing. Residential Electrical Contractor candidates must meet the applicable experience requirements, complete the licensing application process, and pass both the technical and Business and Law portions required for contractor licensing.

1. Gain qualifying electrical experience. Build verifiable experience in electrical construction while working within Oklahoma's electrical licensing structure.
2. Maintain apprentice registration when applicable. Qualifying Oklahoma apprentice experience must be properly documented and obtained under the required supervision.
3. Obtain journeyman-level experience. Residential Electrical Contractor applicants must accumulate the required experience as a Residential or Unlimited Journeyman Electrician.
4. Meet the Residential Contractor experience requirements. Document the qualifying apprentice and journeyman hours required for the contractor classification.
5. Be an Owner, Partner, or Officer of the electrical firm. Oklahoma requires Electrical Contractors to hold one of these positions in the electrical business.
6. Submit the electrical license application. Provide the Construction Industries Board with the required application and supporting experience documentation.
7. Receive examination authorization. Eligibility is reviewed before the applicant proceeds with testing.
8. Schedule the examinations through PSI. Approved candidates arrange the Residential Electrical Contractor and Electrical Business and Law examinations.
9. Prepare for both examinations. Study residential electrical subjects, NEC navigation, OSHA safety, Oklahoma licensing law, and contractor business topics.
10. Complete the licensing examinations. Pass both the technical and Business and Law portions required for the contractor license.
11. Complete active contractor requirements. Address applicable bond, insurance, workers' compensation, and other requirements associated with maintaining an active electrical contractor license.

State Requirements

Oklahoma Residential Electrical Contractors are limited to contracting for wiring buildings defined in the National Electrical Code as one- and two-family dwellings.

The current Residential Electrical Contractor qualification requirements include 4,000 hours as a Residential or Unlimited Journeyman Electrician while employed by and under the supervision of an Electrical Contractor. Applicants also need qualifying apprentice experience, including 3,000 hours as a registered apprentice, with up to 1,000 additional hours permitted through qualifying formal electrical education.

Residential Electrical Contractors must be an Owner, Partner, or Officer in the electrical firm. This contractor-level requirement reflects the responsibility associated with operating or managing the licensed electrical contracting business.

Formal electrical education used toward qualifying experience must consist of actual classroom hours that can be verified through appropriate educational documentation. Electrical applicants should maintain organized records of employment, apprenticeship, education, and journeyman experience used to establish eligibility.

Oklahoma contractor licensing also carries requirements beyond examination preparation. Active electrical contractors must maintain applicable bond and general liability insurance requirements and provide the Construction Industries Board with required coverage information.

Active electrical contractors must also address applicable Oklahoma workers' compensation requirements. Depending on the business and employment situation, proof of workers' compensation coverage, an authorized exemption, or qualifying self-insurance documentation may be required.

Reference Books

• National Electrical Code, NEC, 2023
  This is the primary technical code reference for the Oklahoma Residential Electrical Contractor examination. Candidates should prepare using the 2023 NEC as revised and adopted in Oklahoma and become familiar with residential wiring, services, feeders, branch circuits, grounding, bonding, conductors, raceways, boxes, overcurrent protection, special equipment, and other applicable electrical requirements.
• Code of Federal Regulations - 29 CFR Part 1926 (OSHA)
  This approved safety reference supports preparation for construction jobsite requirements involving PPE, excavation, emergency action plans, ladders, scaffolds, fall protection, workplace illumination, materials, equipment, and other OSHA construction-safety topics.
• Ugly's Electrical References
  This approved electrical reference supports preparation involving formulas, calculations, conversions, electrical terminology, conductor information, and quick-reference material useful for electrical testing and field applications.
• Oklahoma Electrical Industry Regulations, Oklahoma Administrative Code, Title 158, Chapter 40
  This Oklahoma administrative reference supports Business and Law preparation involving electrical licensing classifications, contractor responsibilities, apprenticeship, supervision, active licensing, and industry regulations.
• Oklahoma Fine Schedule of the Construction Industries Board, Oklahoma Administrative Code, Title 158, Chapter 10
  This reference supports preparation for Construction Industries Board compliance and enforcement topics associated with Oklahoma electrical contracting.
• Oklahoma Electrical License Act, Oklahoma Statutes, Title 59, Chapter 40A
  This statutory reference addresses Oklahoma electrical licensing authority, regulated electrical work, contractor responsibilities, and the legal framework governing the electrical industry.
• Oklahoma Lien Law, Oklahoma Statutes, Title 42, Chapter 3
  This statutory material supports contractor Business and Law study involving construction liens and payment-related rights and responsibilities.
• NASCLA Contractors Guide to Business, Law and Project Management, 14th Edition
  This contractor business reference supports preparation for estimating, project management, contracts, financial management, personnel, insurance, bonds, risk management, and other business responsibilities.
• Oklahoma Workers’ Compensation Act, Oklahoma Statutes, Title 85A, Chapter 1
  This Oklahoma statutory reference supports Business and Law preparation involving workers' compensation requirements and employer responsibilities.

Test Information and Study Materials

A productive Oklahoma Residential Electrical Contractor study plan should reflect the examination weighting. General Electrical Knowledge contains 12 questions, while Electrical Installation Requirements and Services, Feeders, and Branch Circuits each contain 10. Overcurrent Protection, Grounding and Bonding, and Conductors and Cables each contain another eight questions.

Practice NEC navigation. Learn how the code is structured and become comfortable using the index, definitions, articles, tables, and cross-references. Repeated navigation is more useful for open-book preparation than simply reading the NEC from beginning to end.

Strengthen residential service knowledge. Review services, feeders, branch circuits, conductor sizing, voltage drop, overcurrent protection, load-related concepts, and residential equipment requirements.

Review grounding and bonding carefully. Candidates should understand grounding electrode conductors, equipment grounding conductors, bonding concepts, and the differences between grounding and bonding applications.

Practice conductor and raceway questions. Review conductor selection, cable types, raceways, conduit fill, boxes, fittings, and installation requirements. Learn how to move between applicable NEC articles and tables efficiently.

Prepare for safety. Use 29 CFR Part 1926 to review PPE, ladders, scaffolds, excavation, emergency planning, workplace illumination, fall protection, material handling, and related construction requirements.

Study Business and Law separately. The 50-question Electrical Business and Law examination covers bidding and estimating, project management, contracts, financial management, labor and personnel, risk management, payroll and taxes, and licensing requirements. Use the Oklahoma statutes, regulations, lien law, workers' compensation material, and NASCLA contractor guide as part of this preparation.

Use timed practice. The technical examination provides 210 minutes for 80 scored questions. Practice identifying the subject quickly, deciding whether a direct code lookup or calculation is needed, and managing more difficult questions without using excessive testing time.

Live Class Schedule

The live training schedule is organized around the books and technical references used on the exam. Click Here to View the Current Live Class Schedule.

Live virtual instruction gives candidates an organized way to work through NEC navigation, electrical theory, residential installation requirements, grounding, services, feeders, conductors, raceways, safety, and contractor Business and Law topics. Self-study gives students additional time to reinforce those areas independently.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep supports Oklahoma Residential Electrical Contractor candidates through organized study guidance, electrical trade-focused review, practice-oriented preparation, reference navigation, and a structured approach to technical and Business and Law exam preparation.

Live virtual training helps break the examination into focused study categories. Candidates can work through electrical theory, NEC requirements, residential services, grounding, conductors, raceways, calculations, and OSHA safety while building familiarity with the references used during preparation.

Self-study provides repetition. Students can revisit difficult electrical concepts, practice code searches, strengthen calculations, and devote additional attention to weaker areas between live sessions.

Reference-navigation practice is particularly important for an open-book test. Candidates can develop a consistent process: identify the subject, select the correct reference, locate the applicable section or table, interpret the requirement, and evaluate the answer choices.

Contractor-focused Business and Law preparation helps candidates study the responsibilities that accompany electrical contracting. These topics include estimating, project supervision, contracts, finances, employees, insurance, bonds, workers' compensation, liens, payroll, and Oklahoma licensing requirements.

By combining live virtual instruction with self-study and practice-oriented reference navigation, 1 Exam Prep provides a structured preparation path for professionals pursuing the Oklahoma Residential Electrical Contractor license.

Frequently Asked Questions

Is the Oklahoma Residential Electrical Contractor exam open book?

Yes. The technical examination is open book. Candidates may use the approved NEC, OSHA, and Ugly's Electrical References while following the applicable examination rules.

How many questions are on the Residential Electrical Contractor exam?

The technical examination contains 80 scored questions. Candidates have 210 minutes and must earn 70%, or 56 correct answers, to pass.

Which National Electrical Code edition is used?

The current examination uses the National Electrical Code, 2023 edition, as revised and adopted in Oklahoma.

What is the largest technical exam category?

General Electrical Knowledge is the largest individual category with 12 questions. Electrical Installation Requirements and Services, Feeders, and Branch Circuits each contain 10 questions.

Does the exam include grounding and bonding?

Yes. Grounding and Bonding contains eight questions and is an important area of technical preparation.

Do Residential Electrical Contractor candidates take Business and Law?

Yes. Contractor applicants must prepare for the Electrical Business and Law examination, which contains 50 scored questions, allows 120 minutes, and requires a 70% passing score.

What work can a Residential Electrical Contractor perform?

The Oklahoma Residential Electrical Contractor classification is limited to contracting for wiring buildings defined by the National Electrical Code as one- and two-family dwellings.

Does this training include live virtual and self-study preparation?

Yes. The program combines live virtual training with independent self-study so candidates can use structured instruction alongside NEC review, electrical practice, OSHA study, and contractor Business and Law preparation.

Where can I view the current live class schedule?

Visit the Live Class Schedule to view current training dates. The live training schedule is organized around the books and technical references used on the exam.