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Key Facts: ME Plumber Exam
70%
Passing Score
Maine Plumbers' Examining Board
~80
Exam Questions
PSI exam format
3 hrs
Time Limit
PSI
IPC
Code Base
Maine adoption
The Maine journeyman plumber exam is administered through PSI and overseen by the Plumbers' Examining Board. The exam has approximately 80 multiple-choice questions with a 3-hour time limit, requiring 70% to pass. Maine uses the International Plumbing Code (IPC). The total exam fee is approximately $221 ($200 application + $21 PSI fee).
Sample ME Plumber Practice Questions
Try these sample questions to review concepts for the ME Plumber exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 298+ question experience with AI tutoring.
1Per the IPC as adopted by Maine, what is the minimum slope for a 4-inch horizontal drain pipe?
2Per the IPC, what is the DFU value for a floor-mounted water closet (1.6 GPF)?
3What is the minimum building drain size for a system with 200 DFUs per the IPC as adopted by Maine?
4Per the IPC, cleanouts in horizontal drains must be installed at intervals not exceeding what distance?
5Per the IPC, what is the minimum slope for a 2-inch horizontal drain pipe?
6Per the IPC as adopted by Maine, a lavatory has what DFU value?
7What is the minimum trap size for a kitchen sink per the IPC?
8Per the IPC, what fitting is required for a horizontal-to-horizontal direction change in drainage piping?
9Per the IPC, indirect waste from a commercial dishwasher must discharge through what?
10Per the IPC, what is the maximum DFU load on a 3-inch horizontal branch at 1/4 inch per foot slope?
About the ME Plumber Exam
Maine journeyman plumber licensing exam administered by PSI and overseen by the Plumbers' Examining Board. Based on the International Plumbing Code (IPC) covering drainage systems, water supply, venting, fixtures and appliances, gas piping, materials, and code administration. Approximately 80 multiple-choice questions with a 3-hour time limit.
Exam sponsor: Maine Plumbers' Examining Board. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
80 questions
Time Limit
3 hours
Passing Score
70%
Reported exam pass rate: ~55-65%. 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.
Official sources
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 Systems
Drain pipe sizing, DFU calculations, slope requirements, cleanouts, building sewers, indirect waste, and special drainage systems per IPC
Water Supply Systems
Water pipe sizing, WSFU calculations, backflow prevention, pressure regulation, water heaters, cross-connection control, and potable water protection
Venting Systems
Vent sizing, wet venting, circuit venting, air admittance valves, vent termination, combination waste and vent, and trap seal protection
Fixtures & Appliances
Fixture installation requirements, clearances, accessible fixtures, commercial fixtures, water closets, lavatories, showers, and bathtubs
Gas Piping
Gas pipe sizing, BTU calculations, appliance venting, pressure testing, combustion air, and fuel gas code compliance
Code Administration & Materials
Permits, inspections, plan review, approved materials, pipe materials, joint methods, hangers and supports, and Maine-specific regulations
Preparing for the ME Plumber Exam
What You Need to Know
- Passing score: 70%
- Exam length: 80 questions
- Time limit: 3 hours
- Exam / certification fees: $221 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
ME Plumber: Suggested Study Strategy
Frequently Asked Questions
How hard is the Maine journeyman plumber exam?
The Maine journeyman plumber exam is moderately challenging with an estimated 55-65% pass rate. The exam has approximately 80 questions based on the IPC and requires 70% to pass. Strong knowledge of pipe sizing, DFU calculations, and venting requirements is essential.
What plumbing code does Maine use?
Maine uses the International Plumbing Code (IPC) for its journeyman plumber exam. A clean, bound copy of the IPC is typically allowed as a reference during the PSI-administered exam. Check with the Plumbers' Examining Board for the current adopted edition.
How much does the Maine plumber exam cost?
The Maine journeyman plumber exam costs approximately $221 total — $200 for the application fee to the Plumbers' Examining Board plus $21 for the PSI exam fee. Additional costs include the IPC code book. Check with the Board for the current fee schedule.
What are the experience requirements for Maine journeyman plumber?
Maine requires completion of a plumbing apprenticeship or equivalent experience under a licensed plumber. Contact the Maine Plumbers' Examining Board for detailed eligibility requirements, approved experience documentation, and application procedures.