What the Electrical Engineering (REE) board exam covers: 3 subjects weighted 25/30/45, every topic PRC lists, and the new subject order from PRC.
Mariano Luiz King
Published November 5, 2026 · Updated November 9, 2026
The Electrical Engineering (REE) board exam, officially the Registered Electrical Engineers Licensure Examination, has three subjects: Mathematics (25%), Engineering Sciences and Allied Subjects (30%), and Electrical Engineering Professional Subjects (45%). This post lists the topics PRC names under each one, the passing rule, and the new order of subjects that started in September 2026.
Where this coverage comes from: Everything here comes from official sources, not forum posts. The subjects, weights, and topic lists are from PRC's program for the September 2026 REE exam and from RA 7920, the electrical engineering law. I checked them in November 2026. The Board adopted an Enhanced Table of Specifications in 2024 (Resolution No. 40, s. 2024), but the detailed REE annex wasn't posted on PRC's page when I looked. So the topic lists below are PRC's own "such as" lists, not item counts.
As of the September 5 and 6, 2026 exam:
| Detail | What PRC says |
|---|---|
| Subjects | 3 |
| Day 1 | Engineering Sciences and Allied Subjects (8:00 AM to 12:00 NN), EE Professional Subjects (1:00 to 7:00 PM) |
| Day 2 | Mathematics (8:00 AM to 1:00 PM) |
| Calculators | One non-programmable calculator from PRC's approved list. Programmable models are banned. |
| To pass | 70% weighted average, with no subject below 50% (RA 7920) |
The order changed in September 2026. Older exams, like April 2026, started with Mathematics on Day 1. PRC posted an advisory that the new order applies from the September 2026 exam onward. Always check the program for your own exam date, since the day order isn't fixed by law.
| Subject | Weight |
|---|---|
| Mathematics | 25% |
| Engineering Sciences and Allied Subjects | 30% |
| Electrical Engineering Professional Subjects | 45% |
These weights are written into RA 7920 itself, so they've been stable for years.
PRC lists these topics:
This is the widest subject. PRC lists:
Don't skip the Philippine Electrical Code (PEC). It's a book of wiring and installation rules, and it's tested here as its own topic. Code questions are pure recall, so they're points you can lock in by reading.
Almost half your grade. PRC lists:
RA 7920 says you need a weighted general average of 70%, with no subject below 50%.
"Weighted" means each subject counts by its weight. Here's an example:
| Subject | Your score | Weight | Points |
|---|---|---|---|
| Mathematics | 62% | 25% | 15.5 |
| Engineering Sciences | 70% | 30% | 21.0 |
| EE Professional | 75% | 45% | 33.75 |
| Weighted average | 70.25% |
That's a pass, even with a 62% in Math, because the 45% subject pulled it up. The reverse is also true. A weak EE Professional score is very hard to make up for.
RA 7920 also says you can retake only the subjects where you got below 50%. You pass once you average 70% in the retaken subjects.
If you don't pass, the retake rules are in what happens if you fail the board exam. Recent results are in board exam passing rates.
Start with EE Professional Subjects, since it's 45% of your grade. Then read the Philippine Electrical Code early. It's recall-heavy, so it rewards repetition more than problem-solving does.
Mathematics (25%), Engineering Sciences and Allied Subjects (30%), and Electrical Engineering Professional Subjects (45%).
A weighted general average of 70%, with no subject below 50%, under RA 7920.
Yes. PRC lists the Philippine Electrical Code, Parts 1 and 2, under Engineering Sciences and Allied Subjects.
Starting with the September 2026 exam, PRC gives Engineering Sciences and EE Professional Subjects on Day 1 and Mathematics on Day 2. Check the program for your exam, since it can change.
Yes, one non-programmable calculator from PRC's approved list. Programmable calculators are prohibited.
Ready to test yourself? Try the free REE board exam reviewer. I built prepPH, so I'm biased, but every question there comes with an explanation. For a study plan, read how to review for the PRC board exam. When you're ready to apply, see how to apply for the PRC board exam online (LERIS) and how much the PRC board exam costs. To plan your weeks, see how long to review for the REE board exam, and to decide on a review center, see can you pass the REE board exam with self-review?.
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