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.
| Subject Areas | # of Questions |
|---|---|
| Plumbing Fundamentals and Safety | 5 |
| Materials, Uses and Specifications | 6 |
| Traps, Interceptors and Backwater Valves | 4 |
| Plumbing Fixtures, Fixture Fittings and Plumbing Appliances | 4 |
| Water Supply Systems | 8 |
| Backflow Prevention | 10 |
| Drain, Waste and Vent Systems | 13 |
| Special Topics | 3 |
| Gas Appliances and Piping | 40 |
| Plumbing Mathematics | 7 |
Sample questions are sourced from the NFPA book title(s) highlighted (in light green) above.
Pricing is based on the number of questions contained in the individual files and the book titles you choose.
A 15% discount applies when ordering TWO (2) OR MORE BOOK TITLES.
