100+ Free NH Journeyman Plumber Practice Questions
Pass your New Hampshire Journeyman Plumber License Exam exam on the first try — instant access, no signup required.
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Key Facts: NH Journeyman Plumber Exam
70%
Passing Score
NH Mechanical Safety Board
85
Questions
Prometric exam
$270+
Total Cost
$190 exam + $80-100 license
IPC 2018
Code Edition
NH adoption
The NH journeyman plumber exam has 85 questions in 3 hours requiring 70% to pass. NH uses the IPC 2018 and the exam is administered by Prometric. The exam fee is $190 plus $80-100 for the license. The master exam is separate with 100 questions requiring 75%.
About the NH Journeyman Plumber Exam
New Hampshire's journeyman plumber exam is administered by Prometric on behalf of the Mechanical Safety & Licensing Board. The exam has 85 questions with a 3-hour time limit and requires 70% to pass. NH uses the IPC 2018 edition. The master plumber exam is separate with 100 questions and requires 75%.
Questions
85 scored questions
Time Limit
3 hours
Passing Score
70%
Exam Fee
$190 + $80-100 license (NH Mechanical Safety & Licensing Board (Prometric))
NH Journeyman Plumber Exam Content Outline
Drainage, Waste & Vent Systems
IPC 2018 drainage pipe sizing, DFU calculations, slope requirements, cleanouts, and trap arm distances
Venting Systems
Vent sizing, wet venting, AAVs, vent termination, circuit venting per IPC 2018
Water Supply & Backflow Prevention
Water pipe sizing, WSFU calculations, backflow prevention, pressure regulation, and cross-connection control
Gas Piping & Venting
Gas pipe sizing, BTUH calculations, pressure testing, combustion air, and appliance venting
Fixtures, Materials & Code Administration
Fixture installation, clearances, materials, permits, inspections, and NH-specific requirements
How to Pass the NH Journeyman Plumber Exam
What You Need to Know
- Passing score: 70%
- Exam length: 85 questions
- Time limit: 3 hours
- Exam fee: $190 + $80-100 license
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
NH Journeyman Plumber Study Tips from Top Performers
Frequently Asked Questions
What plumbing code does New Hampshire use?
New Hampshire uses the International Plumbing Code (IPC) 2018 edition. The exam tests IPC knowledge including drainage, venting, water supply, gas piping, and fixture installation requirements.
What is the difference between NH journeyman and master plumber exams?
The journeyman exam has 85 questions requiring 70% to pass. The master exam has 100 questions requiring 75% to pass. Both have 3-hour time limits and are administered by Prometric.
How much does the NH plumber exam cost?
The exam fee is approximately $190 paid to Prometric, plus $80-100 for the license fee to the NH Mechanical Safety & Licensing Board.
Does NH have cold-climate plumbing requirements?
Yes, New Hampshire's cold winters require frost protection for underground piping, proper vent terminal heights above snow lines, and consideration of freeze protection for water supply systems.