The exam content shown below only lists main category headings. Please consult the PSI exam bulletin from the button below for more detailed information about subject sub-categories.
| Topics | Sub-topics | # of Questions |
|---|---|---|
| General Knowledge | 3 | 4 |
| General Electrical Knowledge | 11 | 12 |
| Electrical Installation Requirements | 2 | 10 |
| Services, Feeders & Branch Circuits | 8 | 10 |
| Overcurrent Protection | 1 | 6 |
| Grounding & Bonding | 3 | 8 |
| Conductors & Cables | 11 | 6 |
| Raceways & Boxes | 21 | 6 |
| Special Occupancies & Equipment (including Swimming Pools) | 2 | 4 |
| Low Voltage, Alarms, Signaling Systems & Communications | 9 | 6 |
| Lighting & Signs | 7 | 4 |
| Safety | 18 | 4 |
In addition to the trade-specific examination, you must pass the Electrical Business & Law Exam offered by PSI to complete your Oklahoma licensing requirements.
We highly recommend that you purchase one of the two NEC index books above to study for your exam. Each book is a comprehensive subject index to the NEC. They provide an even faster way to look up subjects covered in the exam and are far more detailed than the index at the end of the code book.
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