The Oregon licensing division does not publish a list of subjects covered in the exam like many other states. The button below will open a basic exam content study guide we have created to help you navigate the many references listed in the allowed books:
Authorized to maintain, repair, and replace existing electrical wiring and equipment within a facility or group of buildings, as defined by the Oregon Electrical Specialty Code (OESC). Work is limited to maintaining existing systems and includes minor modifications necessary for repair or replacement.
Performs work in compliance with the NEC, Oregon amendments, and applicable laws and rules, and typically works under the direction or supervision required by regulation. This work is generally performed within the scope of a specific facility, employer, or occupancy.
This license does not permit new electrical installations beyond limited repair-related modifications and does not authorize work outside the maintenance scope or across unrestricted commercial or industrial projects.
About reference(s) 8 above. These two books have the same function but there are differences; Reference 8a is more instructional, includes practice questions, explainations and limited calculation help, better for learning the code. Reference 8b has more dense/comprehensive indexing and focuses on multiple paths to the same topic, has minimal explanations, better for speed during exams and finding obscure or oddly-worded questions. We advise buying one or the other based on your needs and the info provided here.
NOTICE: OAR 918 references the National Electrical Safety Code (NESC). You do not need to study this code because it only applies to utility work.
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