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Key Facts: NM Journeyman Plumber Exam
70%
Passing Score
NM CID
80-100
Questions
PSI exam
~$210
Exam Fee
PSI
UPC-based
Code
NM Plumbing Code
The NM journeyman plumber exam has 80-100 questions with a 3-hour time limit requiring 70% to pass. New Mexico uses a plumbing code based on the UPC with state amendments. The exam is administered by PSI and costs approximately $210.
Sample NM Journeyman Plumber Practice Questions
Try these sample questions to review concepts for the NM Journeyman Plumber exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 298+ question experience with AI tutoring.
1Under the UPC adopted by New Mexico, what is the minimum slope for a 4-inch horizontal drain?
2Under the UPC, what is the DFU value for a standard water closet?
3Under the UPC, minimum building sewer with water closets is?
4Under the UPC, minimum vent pipe size is?
5Under the UPC, max static water pressure in a building is?
6Under the UPC, high-hazard cross-connections require what backflow device?
7Under the UPC, minimum trap seal depth is?
8Under the UPC, minimum lavatory trap size is?
9Under the UPC, minimum building water service is?
10Under the UPC, what material is NOT approved for underground drainage?
About the NM Journeyman Plumber Exam
New Mexico's journeyman plumber exam is administered by PSI on behalf of the Construction Industries Division. The NM Plumbing Code is based on the UPC with state amendments. The exam covers 80-100 questions with a 3-hour time limit and requires 70% to pass.
Exam sponsor: NM Construction Industries Division (PSI). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
90 questions
Time Limit
3 hours
Passing Score
70%
Reported exam pass rate: ~55%. This describes exam candidates, not OpenExamPrep users or results from using our resources. Exam sponsor website
Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Our practice resources: topics covered
We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.
Drainage, Waste & Vent Systems
NM plumbing code drainage pipe sizing, DFU calculations, slope requirements, cleanouts, and trap arm distances
Venting Systems
Vent sizing, wet venting, AAVs, vent termination, and combination waste and vent per NM code
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 NM-specific amendments
Preparing for the NM Journeyman Plumber Exam
What You Need to Know
- Passing score: 70%
- Exam length: 90 questions
- Time limit: 3 hours
- Exam / certification fees: ~$210 Official sources
Using Our Practice Resources
- Work through all 298 available questions
- Review every answer and explanation
- Track weak areas and revisit them
- Use our AI tutor for tough concepts
NM Journeyman Plumber: Suggested Study Strategy
Frequently Asked Questions
What plumbing code does New Mexico use?
New Mexico uses the NM Plumbing Code, which is based on the Uniform Plumbing Code (UPC) with state-specific amendments. Study materials based on the UPC are applicable, with attention to NM amendments.
How many questions are on the NM plumber exam?
The NM journeyman plumber exam has approximately 80-100 questions with a 3-hour time limit. A 70% score is required to pass. The exam is administered by PSI.
How much does the NM plumber exam cost?
The NM journeyman plumber exam costs approximately $210. This covers the PSI exam fee. Additional license fees may apply through the Construction Industries Division.
Does NM have unique plumbing requirements?
Yes, New Mexico has state amendments to the UPC that address arid climate conditions, water conservation, and local construction practices. High altitude areas may also have specific requirements.