The exam content shown below only lists main category headings. Please consult the exam bulletin from the button below for more detailed information about subject sub-categories.
| Content Areas | Sub- categories | # of Questions |
|---|---|---|
| Comply with Laws | 6 | 10 |
| Comply with Regulations | 5 | 9 |
| Comply with Administrative Requirements | 7 | 6 |
| Plan and Organize Work | 3 | 5 |
| Maintain Basic Electrical Circuits | 7 | 21 |
| Install & Maintain Electrical Controls and Devices | 18 | 22 |
| Install & Maintain D-C & A-C Rotating Equipment | 23 | 9 |
| Install, Size & Maintain Transformers | 23 | 7 |
| Install and Maintain Interior Electrical Systems | 40 | 30 |
| Special Equipment, Conditions & Locations | 14 | 21 |
QUESTION: “What is the difference between the National Electrical Code (NEC) and the NEC Handbook?”. The Handbook has the same content as the NEC with additional drawings and explainations inserted.
The Handbook was designed for engineers and inspectors. The typical exam candidate should not use it as a prefered reference unless they are using it for inspection jobs in their day-to-day work.
NOTICE: If your PSI exam bulletin shows the 16th Edition (out-of-print version) of the American Electricians' Handbook, it has not been updated to show the current the 17th edition.
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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