| Subject Areas | % of Questions |
|---|---|
| General Knowledge and Plan Reading | 6 |
| Services and Service Equipment | 11 |
| Feeders | 4 |
| Branch Circuits and Conductors | 19 |
| Wiring Methods and Materials | 26 |
| Equipment and Devices | 13 |
| Control Devices | 4 |
| Motors and Generators | 6 |
| Special Occupancies, Equipment, and Conditions | 11 |
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.
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