NCCER Plumbing
Plumbing
plumbingstudy.com is your dedicated Plumbing practice site: 1,000+ exam-style practice questions, organized across all 12 exam domains. Start with the free practice test — no card required.
- practice questions
- 1,000+
- exam domains
- 12
- practice test
- Free
Exam at a glance
- Exam fee
- Most assessments cost $44.95 per test and public centers may add service charges; module and organization delivery fees may vary
- Questions on exam
- Official Plumbing Level One Test has 100 items
- Duration
- 3 hours
- Passing score
- 70%
- Validity
- NCCER Plumbing 5th Edition is active under NCCER craft-title expiration policy; no recurring individual renewal requirement for the Plumbing training credential was publicly posted
Published exam facts, from the official outline.
What’s on the Plumbing exam
- Introduction to the Plumbing Profession (3%)
- Plumbing Safety (16%)
- Tools of the Plumbing Trade (9%)
- Introduction to Plumbing Math (9%)
- Introduction to Plumbing Drawings (12%)
- Plastic Pipe and Fittings (8%)
- Copper Tube and Fittings (8%)
- Cast Iron Pipe and Fittings (8%)
- Steel Pipe and Fittings (8%)
- Introduction to Plumbing Fixtures (5%)
- Introduction to Drain, Waste, and Vent (DWV) Systems (7%)
- Introduction to Water Distribution Systems (7%)
Official exam blueprint domains — your practice bank mirrors this outline.
The Plumbing question bank follows the official exam blueprint across 12 domains, so your practice mirrors the real outline — and shows you exactly where you’re weak. See the full blueprint on plumbingstudy.com →
Your Plumbing prep is one click away
The free Plumbing practice test, the full 1,000+ question bank and your readiness score — all on plumbingstudy.com.
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