| Subject Areas | % of Questions |
|---|---|
| General Knowledge | 12 |
| Services and Service Equipment | 22 |
| Feeders | 10 |
| Branch Circuits and Conductors | 26 |
| Wiring Methods and Materials | 15 |
| Equipment and Devices | 8 |
| Special Occupancies, Equipment and Conditions | 7 |
We highly recommend that you purchase one of the reference 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 answers in the code and are far more detailed than the index at the end of the code book.
Questions are sourced from the “Allowed” book titles shown above. A subject category index is included.
The price of study materials is based on your exam title chosen in our order form. Sample question sets at the highest price contain 1,700 or more questions.
