| Content Areas | % of Questions |
|---|---|
| Theory, Terminology & General Requirements | 18 |
| Compressors & Types of Systems | 10 |
| Evaporators, Condensers & Cooling Towers | 10 |
| Piping Inspection & Field Testing | 8 |
| Air Ducts & Insulation | 6 |
| Electrical & Controls | 22 |
| Refrigerants | 12 |
| Operation Procedures | 6 |
| Maintenance & Repairs | 8 |
The books listed below are NOT allowed at the exam location
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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