Current Maine Journeyman format: the exam contains 80 multiple-choice questions, has a three-hour time limit, and requires 70% to pass, or 56 correct answers. The exam is closed book, so preparation should focus on recall, plumbing math, diagrams, sizing methods and code concepts.
What Is the Maine Journeyman Plumber Exam?
The Maine Journeyman Plumber examination is part of the state licensing process administered through the Maine Plumbers' Examining Board and Prov. It tests plumbing knowledge across drainage, venting, water supply, backflow protection, fixtures, regulations and practical plumbing systems.
Unlike many contractor exams, the Maine Journeyman Plumber exam is closed book. That changes the study strategy. Candidates need strong recall of plumbing concepts, formulas, sizing methods, regulations and system relationships instead of relying on fast code-book lookup.
Exam answer: 80 questions, three hours, closed book, 70% passing score and 56 correct answers required.
Code distinction: Maine currently uses the 2021 Uniform Plumbing Code with Maine amendments for plumbing installations. The current Prov candidate bulletin still lists the 2015 Uniform Plumbing Code among the sources used to develop the Journeyman examination.
That difference matters. The code currently enforced in the field is not automatically the same edition shown in the examination-development reference list. Candidates should follow the current Maine and Prov exam information when studying specifically for the licensing exam.
This page combines research from 3 primary authority groups and 6 visible secondary research groups. Official Maine and Prov information controls when commercial exam-prep pages show conflicting question counts, passing scores or code information.
Maine Journeyman Plumber Exam Domains
Match your Maine plumber exam prep time to the current 80-question Prov content blueprint.
| Exam Area | What to Study | Questions |
|---|---|---|
| Drainage, Waste and Sanitary Venting | Drainage sizing, sanitary drainage, slope, vents, vent sizing, fixture connections, cleanouts, stacks, branches and DWV system layout | 18 |
| Water Supply Systems, Backflow Prevention and Water Heaters | Water distribution, pipe sizing, pressure, backflow protection, cross-connection control, water heaters and safety requirements | 16 |
| General Knowledge | Plumbing materials, fittings, piping methods, calculations, system relationships, terminology and basic trade knowledge | 15 |
| General Regulations | Maine plumbing rules, installation requirements, permits, inspection concepts, responsibilities and regulatory requirements | 10 |
| Plumbing Fixtures | Fixture requirements, fixture units, installation, clearances, connections and approved plumbing fixtures | 5 |
| Traps and Interceptors | Trap requirements, trap seals, interceptors, prohibited configurations and fixture protection | 5 |
| Roof Drainage | Roof drains, leaders, sizing, rainfall-related calculations and storm-drainage system concepts | 5 |
| Specialty Venting | Special venting methods, alternate vent arrangements and specialized sanitary-venting applications | 3 |
| Indirect Waste | Indirect waste receptors, air gaps, air breaks, special waste connections and approved discharge methods | 3 |
Maine Journeyman Plumber Exam Breakdown
Journeyman Exam 80 questions | 3 hours | 70% to pass
Correct Answers Needed 56 of 80
Testing Provider Prov
Licensing Authority Maine Plumbers' Examining Board
Exam Format Closed book
Largest Topic Drainage, Waste and Sanitary Venting | 18 questions
Second-Largest Topic Water Supply, Backflow Prevention and Water Heaters | 16 questions
Current Maine Field Code 2021 Uniform Plumbing Code with Maine amendments
Current Prov Exam Source 2015 Uniform Plumbing Code listed among exam-development references
Exam Prep View Maine Journeyman Plumber exam prep
Maine Journeyman Plumber Licensing and Contractor Career Path
Maine provides more than one pathway toward Journeyman Plumber licensure. Candidates should identify which experience path applies before building their exam and career plan.
Standard trainee pathway: complete two years and at least 4,000 hours of plumbing-installation experience as a licensed trainee plumber under a licensed Master Plumber.
Journeyman-in-Training pathway: qualifying candidates can progress by completing at least 2,000 hours of supervised plumbing experience as a licensed Journeyman-in-Training under a Master Plumber within the applicable four-year period.
Journeyman role: a Maine Journeyman Plumber generally performs plumbing work under the employment and direction of a licensed Master Plumber.
Contractor career path: Maine identifies the Master Plumber license as the level authorized to engage in the business of installing plumbing or plumbing systems.
Journeyman to Master: one common Master pathway requires at least one year and 2,000 hours of experience as a licensed Journeyman Plumber plus the applicable Master examination and licensing requirements.
What Is on the Maine Journeyman Plumber Exam?
Each bar is scaled against Drainage, Waste and Sanitary Venting, the largest 18-question category.
Drainage, Waste and Sanitary Venting 18 questions
Water Supply, Backflow Prevention and Water Heaters 16 questions
General Knowledge 15 questions
General Regulations 10 questions
Plumbing Fixtures 5 questions
Traps and Interceptors 5 questions
Roof Drainage 5 questions
Specialty Venting 3 questions
Indirect Waste 3 questions
Maine Journeyman Plumber Exam Sources and Current Field Code
The exam is closed book, so these references are important for study and exam development rather than materials you carry into the test room.
| Reference | Primary Use | Current Status |
|---|---|---|
| 2015 Uniform Plumbing Code | Drainage, venting, water supply, fixtures, traps, plumbing systems and code-based exam content | Listed by the current Prov bulletin as an exam-development source |
| Maine Plumbing Laws and Rules | Maine-specific regulations, licensing concepts and plumbing requirements | 2016 reference listed in the current Prov bulletin |
| Maine Plumbing Tables | Pipe sizing, drainage, venting, fixture units and plumbing calculations | Based on the 2015 UPC; permitted table printout is supplied by the proctor |
| Plumbing Basics for Contractors | General plumbing knowledge, systems, calculations and contractor-oriented trade concepts | 3rd Edition listed in the current Prov bulletin |
| 2021 Uniform Plumbing Code with Maine Amendments | Current plumbing installation requirements in Maine | Current Maine field code, separate from the older edition still listed in the exam bulletin |
Your Maine Journeyman Plumber Licensing Roadmap
Choose the correct experience pathway, prepare for the closed-book exam, complete supervised plumbing experience and move toward Journeyman licensure.
1
Choose your licensing pathway
Determine whether you are following the licensed trainee pathway or the Journeyman-in-Training pathway.
2
Confirm Maine Board requirements
Review the current Plumbers' Examining Board requirements and complete the application or exam-approval steps that apply to you.
3
Learn the current exam blueprint
Prioritize Drainage, Waste and Sanitary Venting, Water Supply, Backflow Prevention, Water Heaters, General Knowledge and regulations.
4
Prepare for closed-book testing
Build recall of formulas, pipe-sizing methods, plumbing rules, fixture requirements, venting concepts and common system relationships.
5
Practice plumbing math and isometrics
Work drainage sizing, slope, fixture-unit calculations, water supply, vent sizing and plumbing-system diagram questions.
6
Take the Prov Journeyman exam
Complete the 80-question closed-book examination within three hours and earn at least 70%, or 56 correct answers.
7
Complete licensing and plan your Master path
Submit the required supervised-experience documentation for Journeyman licensure, then continue building experience if your long-term goal is Master Plumber or plumbing business ownership.
Six-Week Maine Journeyman Plumber Exam Prep Plan
Week 1
Blueprint and Regulations
- Review all nine exam categories
- Study Maine plumbing regulations
- Review plumbing terminology
- Take a diagnostic practice exam
Week 2
Drainage and Sanitary Venting
- Drainage sizing
- Pipe slope
- Sanitary venting
- Stacks, branches and cleanouts
Week 3
Water Supply and Backflow
- Water distribution sizing
- Backflow prevention
- Cross-connection control
- Water heaters
Week 4
General Knowledge and Fixtures
- Plumbing materials
- Fixture requirements
- Fixture units
- Fittings and installations
Week 5
Traps and Special Systems
- Traps and interceptors
- Roof drainage
- Specialty venting
- Indirect waste
Week 6
Timed Simulation
- 80-question practice exams
- Three-hour pacing
- Plumbing math review
- Final weak-area review
Maine Closed-Book Journeyman Plumber Exam Prep Strategy
Do this during exam prep
- Memorize common plumbing relationships and rules
- Practice drainage and water-supply sizing
- Work plumbing math without relying on a code book
- Practice isometric and system-layout questions
- Review Maine regulations repeatedly
- Complete full three-hour practice exams
Avoid these mistakes
- Preparing as though the exam is open book
- Depending on last-minute code lookup
- Ignoring drainage and venting
- Skipping water-supply calculations
- Studying only the current field code without checking the exam bulletin
- Practicing without a time limit
Closed-book strategy: learn the concept first, then practice applying it without reaching for a reference every time. Use code books and study guides while training, but gradually remove them during practice tests so exam day does not feel like someone suddenly took away your toolbox.
Maine Journeyman Plumber Exam Prep Options
Maine Journeyman Plumber Licensing Guide
Maine-Specific License Prep
- Maine license-path overview
- Journeyman plumber study topics
- Contractor career progression
- Exam preparation guidance
- Maine trade licensing resources
Journeyman Plumber Exam Study Guide
Practice-Focused Plumbing Prep
- Plumbing practice questions
- Plumber math review
- Isometric analysis
- Drainage and venting review
- Water distribution study
Maine Licensing Support
Application and Exam Guidance
- License-path questions
- Exam-prep guidance
- Study-resource help
- Application support options
- Career-path planning
Maine exam reminder: the general Journeyman Plumber study guide can support plumbing math, isometric practice and broad trade review, but Maine candidates should also study the specific closed-book Prov blueprint, Maine regulations and current examination-development references.
Journeyman Plumber and Plumbing Contractor Are Different Career Levels
The Maine Journeyman Plumber license is an important professional credential, but Maine identifies the Master Plumber as the license level authorized to engage in the plumbing business.
· Journeyman exam: 80 questions
· Three-hour testing limit
· 70% minimum passing score
· Closed-book examination
· Standard trainee pathway: 4,000 hours
· Master Plumber is the business-level plumbing license
Maine Journeyman Plumber Exam Prep FAQ
Maine Journeyman Plumber Exam Basics
The current Maine Journeyman Plumber examination contains 80 multiple-choice questions.
Candidates currently receive three hours to complete the examination.
The current passing score is 70 percent, which means at least 56 correct answers out of 80.
Yes. The current Maine Journeyman Plumber examination administered through Prov is closed book.
The current Maine plumbing examination program is administered through Prov.
Drainage, Waste and Sanitary Venting is the largest current category with 18 questions.
Water Supply Systems, Backflow Prevention and Water Heaters accounts for 16 questions.
Maine currently uses the 2021 Uniform Plumbing Code with Maine amendments for plumbing installations. The current Prov candidate bulletin still lists the 2015 Uniform Plumbing Code among the sources used to develop the examination.
No. The current Maine plumber examination is closed book, so candidates do not bring the UPC into the exam room.
The current Prov bulletin states that the testing proctor provides the permitted Maine Plumbing Tables printout. Candidate-printed copies are not allowed.
Maine Licensing and Contractor Career Path
The standard pathway requires two years and at least 4,000 hours of plumbing-installation experience as a licensed trainee under a licensed Master Plumber.
A qualifying Journeyman-in-Training can progress toward Journeyman licensure by completing at least 2,000 hours of supervised plumbing work under a Master Plumber within the applicable four-year period.
The Journeyman license is generally an employee-level plumbing license under the employment and direction of a Master Plumber. Maine identifies the Master Plumber as the license level authorized to engage in the plumbing business.
One common path is to work at least one year and 2,000 hours as a licensed Journeyman Plumber, then satisfy the Master Plumber examination and application requirements.
Practice pipe sizing, fixture units, drainage slope, water distribution, vent sizing, developed length and other calculations connected to the current exam domains.
Yes. Isometric practice can help candidates understand drainage, venting, fixture connections, pipe routing and system relationships.
Start with Drainage, Waste and Sanitary Venting, followed by Water Supply Systems, Backflow Prevention, Water Heaters, General Knowledge and General Regulations.
Yes. Timed practice helps improve recall, plumbing-math accuracy, question-reading speed and pacing for the three-hour closed-book exam.
1 Exam Prep Maine Journeyman Plumber Resources
A verified Maine-specific 1 Exam Prep plumbing video is not currently embedded here. Use the verified Maine Journeyman Plumber resources below for state-specific licensing and exam-prep information.
Explore Maine Journeyman Plumber Exam Prep Resources
Ready to Prepare for the Maine Journeyman Plumber Exam?
Build drainage and venting knowledge, water-supply sizing skill, backflow-prevention awareness, plumbing-math accuracy, isometric confidence and full-length testing endurance for Maine's 80-question closed-book Journeyman Plumber exam and your long-term Master Plumber contractor career path.
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