| Subject Areas | # of Questions |
|---|---|
| Drain, Waste & Vent Systems, including Pipe Sizing | 10 |
| Water Supply & Distribution, including Pipe Sizing | 10 |
| Backflow Prevention | 5 |
| Storm & Roof Drainage | 3 |
| Fixtures & Water Heaters | 10 |
| Excavation, General Knowledge & Regulations | 18 |
| Fuel Gas Systems, including Pipe Sizing | 5 |
| OSHA Safety | 3 |
| Isometrics | 6 |
| Sewer | 6 |
| Plumbing Math | 4 |
Design, installation, repair, maintenance, and extension of any plumbing system, including drains, waste, sanitary vents, water supply systems, fixtures, and gas systems.
The state of Hawaii requires that you take and pass a written Business and Law Exam exam for this trade.
A practice exam is currently NOT AVAILABLE
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