Oregon master electrician exam: frequently asked questions

Yes. Oregon electrical licensing examinations allow approved reference materials during testing, including the NEC with Oregon amendments, Oregon statutes and rules, and approved electrical reference books.

Yes. Oregon supervising electrician examinations include open-book code-based testing. Candidates should follow current Oregon Building Codes Division instructions for approved references and exam-room rules.

The Oregon General Supervising Electrician examination is listed as a two-section exam with 52 code questions and 12 calculation questions.

Oregon electrical examinations use a 75% passing standard.

Oregon electrical licensing is administered through the Oregon Building Codes Division under the Department of Consumer and Business Services.

The Oregon General Supervising Electrician examination is listed with 4 hours of testing time.

Oregon electrical exam preparation should include open-book code navigation and reference-use practice. Candidates should follow the current Oregon Building Codes Division and testing-provider exam instructions for the exact references, tabs, notes, calculators, and code edition allowed during testing.

Oregon electrical licensing is regulated by the Oregon Building Codes Division under the Department of Consumer and Business Services.

Approved materials include the National Electrical Code/NFPA 70 with Oregon amendments, the NEC Handbook, Oregon Revised Statutes Chapter 479, Oregon Administrative Rules Division 918, American Electrician’s Handbook, Electrical Black Book, Ugly’s Electrical References, Ferm’s Fast Finder Index, Tom Henry’s Key Word Index, and a silent, nonprinting, nonprogrammable calculator.

Oregon lists a pathway requiring a current Oregon journeyman electrician license and verification of an additional 8,000 hours of on-the-job journeyman experience. Oregon also lists an equivalent path for applicants who meet the qualifications to be licensed as an Oregon journeyman electrician and provide the additional required journeyman-level experience.

Oregon does not use one simple statewide Master Electrician title. Oregon’s advanced electrical credentials include the General Supervising Electrician and Limited Supervising Electrician licenses.

The Oregon supervising electrician examination is listed as a 4-hour, two-section exam.

Oregon supervising electrician exam study includes the NEC, Oregon Electrical Specialty Code, Oregon Revised Statutes, Oregon Administrative Rules, and approved materials identified by the Building Codes Division.

An Oregon General Supervising Electrician may design, plan, lay out work, sign permits, and direct, supervise, or control electrical installations, including the installation or alteration of an electrical service.

Yes. Oregon electrical licensing is handled at the state level through the Oregon Building Codes Division.

Oregon uses license classifications such as General Supervising Electrician and Limited Supervising Electrician instead of using the same “master electrician” terminology found in some other states. Candidates should confirm the exact Oregon license classification that matches their goal.

An individual electrical license and a contractor business license may both be required depending on the work and business activity. Candidates who plan to bid, advertise, contract, or operate an electrical contracting business should review Oregon’s individual license and contractor business requirements.

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

Yes. The 2026 NEC is useful for updated code-cycle study, code-navigation practice, calculations, and long-term electrical knowledge. Candidates should use the official reference editions approved for exam day.

Calculation practice is important because the Oregon General Supervising Electrician exam includes a calculation section. A dedicated calculations study guide helps candidates practice load calculations, conductor sizing, branch circuit work, service and feeder calculations, box fill, raceway fill, motor calculations, transformer calculations, voltage drop, and other math-based topics.

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.

Oregon’s advanced individual electrical license is commonly the General Supervising Electrician license. This classification is often compared to a master-level electrician credential because of its supervising, planning, and responsibility requirements.