- Written exam: 100 questions, 4 hours, 70% passing score, open book, computer-delivered.
- Written fee is $85 per attempt; practical fee is $78 per attempt.
- Practical is two projects in 2.5 hours: Plastic Assembly (37 points) and Copper Assembly (37 points).
- Use the 2024 IPC (ISBN 978-1959851738) - not the older 2021 IPC listing.
Exam Format at a Glance
If you only have five minutes before you walk into a Prov testing center or log into ExamRoom, this is the page to skim. The Utah Journeyman Plumber License Exam (UT-JP) written portion is administered by Prov on behalf of the Utah Division of Professional Licensing (DOPL), and it follows a fixed, predictable structure: 100 questions, a four-hour window, computer-delivered multiple choice, and a 70% passing score. It is open book, which changes how you should prepare - you're not memorizing code text word for word, you're learning where to find it fast.
For a deeper breakdown of how each content area is weighted and tested, the UT-JP Exam Domains 2026 guide walks through all 13 areas individually. This cheat sheet compresses that into a single reference.
Fees and Registration Mechanics
Money and paperwork trip up otherwise well-prepared candidates. Keep these numbers straight:
- Written exam fee: $85 per attempt
- Practical exam fee: $78 per attempt
- Written testing locations: approved Prov testing centers, or remote via ExamRoom proctoring
- Practical testing location: in person only - no remote option
There's also a procedural change that catches first-timers off guard: effective January 19, 2026, any candidate registering with Prov for the first time must electronically submit a Verification of Plumber Experience form as part of registration. If you're applying around that date, build in extra time for this step rather than assuming registration is instant. For a full cost picture including retake math, see the UT-JP Certification Cost breakdown.
Key Takeaway
Failing either the written or the practical means paying that exam's fee again for a retake - the written and practical fees are tracked separately, so a written failure doesn't touch your practical status and vice versa.
The 13 Domains, Ranked by Weight
The written blueprint spans 13 domains. Two of them are explicitly weighted at nine questions each, which makes them disproportionately important relative to how often candidates study them:
Domain 9: Plumbing Math
Nine questions on the exam. Covers pipe sizing calculations, offsets, volume and flow rate math, and unit conversions candidates encounter daily on the job.
- Practice rolling offset calculations by hand, not just with a calculator app
- Know pipe volume and fixture unit math cold
Domain 10: Plumbing Safety
Also nine questions. Covers jobsite hazard recognition, PPE requirements, and safe handling of tools and materials - themes that echo directly into the practical exam's safety-glasses requirement.
- Review OSHA-aligned safety fundamentals as they apply to plumbing trades
- Connect safety knowledge to the practical exam's supplied-materials rules
The remaining 11 domains - Basic Valves, Drain Waste and Vent (DWV), Fuel Gas, Hydronics, Indirect & Special Waste, Pipe and Fittings, Plumbing Drawing, Plumbing Fixtures, Structural Penetration & Insulation, Water Heaters, and Water Supply - split the balance of the 100 questions. None of DOPL's public materials break out an exact per-domain count beyond the two nine-question domains, so treat the rest as roughly comparable in weight rather than assuming any single one dominates the exam. The full domains guide covers each of these 11 in more depth if you need topic-level detail beyond this cheat sheet.
| Domain | Known Question Count |
|---|---|
| Plumbing Math | 9 |
| Plumbing Safety | 9 |
| Basic Valves | Part of remaining 82 |
| DWV | Part of remaining 82 |
| Fuel Gas | Part of remaining 82 |
| Hydronics | Part of remaining 82 |
| Indirect & Special Waste | Part of remaining 82 |
| Pipe and Fittings | Part of remaining 82 |
| Plumbing Drawing | Part of remaining 82 |
| Plumbing Fixtures | Part of remaining 82 |
| Structural Penetration, Insulation | Part of remaining 82 |
| Water Heaters | Part of remaining 82 |
| Water Supply | Part of remaining 82 |
Reference Books You Need Open
Because the written exam is open book, your reference stack matters as much as your knowledge base. The current Prov reference list for the UT-JP written exam centers on the 2024 International Plumbing Code, ISBN 978-1959851738. This is important enough to repeat: an older DOPL bulletin dated June 23, 2025 references the 2021 IPC, but that listing is outdated for exam purposes. Bring the 2024 edition, and cross-check every other reference title against Prov's current list before test day - don't rely on a bulletin PDF that may not reflect the latest update.
Practical Exam Cheat Sheet
The practical exam is a separate requirement from the written test, priced and scheduled independently, and it's entirely hands-on and in person - no remote option exists for this half of licensure.
- Time allotted: two hours, thirty minutes total
- Project 1: Plastic Assembly - worth 37 points
- Project 2: Copper Assembly - worth 37 points
- Materials: candidates supply their own specified tools, materials, and safety glasses
- Retake rule: failing either project means retaking the entire practical exam, not just the failed project
Rolling offsets show up explicitly in practical preparation, so don't treat that as a written-exam-only skill - you need to execute the layout and math under the clock, with real pipe in hand. This is exactly the kind of nuance covered in the UT-JP Study Guide, which sequences written and practical prep together rather than treating them as separate tracks.
Key Takeaway
Because a single failed project forces a full practical retake at $78, practice both Plastic Assembly and Copper Assembly to comparable proficiency - don't let one become your weak link.
Eligibility and Experience Hours
Before you can even register for the UT-JP, DOPL requires documented experience and education. The standard full-license path requires:
- 576 classroom hours through an approved apprenticeship education program
- 8,000 supervised hours of licensed plumbing experience
Alternatively, a 16,000-hour supervised experience route exists for candidates without the formal classroom component. These are distinct from the earlier exam eligibility pathway available after seven semesters of coursework or competency-exam equivalence combined with 6,000 licensed apprentice hours - that route lets you test earlier but is not the same as meeting standard full-license eligibility. Don't confuse the two when planning your timeline. The UT-JP Requirements guide lays out both paths side by side in more detail.
Last-Mile Review Schedule
If you're using this cheat sheet in the final stretch before an exam date, don't spread attention evenly across all 13 domains. Prioritize based on known weight and personal weak spots.
Math and Safety First
- Drill Plumbing Math problems daily, including rolling offsets by hand
- Review Plumbing Safety fundamentals and PPE requirements
Code-Heavy Domains
- Work through DWV, Fuel Gas, and Water Supply using the 2024 IPC
- Practice locating code sections quickly for open-book speed
Systems and Fixtures
- Cover Water Heaters, Hydronics, Indirect & Special Waste, Plumbing Fixtures
- Review Plumbing Drawing conventions and symbols
Practical Dry Runs and Full Review
- Assemble a full Plastic Assembly and Copper Assembly practice run under time
- Take a full-length timed written practice session
This condensed schedule pairs well with a broader look at exam difficulty - if you're deciding how many weeks you actually need, How Hard Is the UT-JP Exam? breaks down where most candidates lose points. And if you want to confirm you're not misjudging what "passing" actually requires, check UT-JP Passing Score 2026 for the exact math behind the 70% threshold.
Renewal and CE Numbers to Remember
Passing the exam isn't the finish line - Utah journeyman plumber licenses run on a fixed cycle you need to track:
- Expiration: November 30 of even-numbered years
- Renewal fee: $74
- CE requirement: 12 approved continuing education hours per cycle, including at least 8 core hours
Missing the renewal window or falling short on core CE hours creates avoidable friction. Mark your calendar now, not the week before November 30 of an even year.
Key Takeaway
Of your 12 required CE hours per renewal cycle, at least 8 must be core hours - elective hours alone won't satisfy the requirement.
For context on where this credential leads professionally - job types, employer expectations, and how licensure translates into work - the UT-JP Jobs page and UT-JP Salary Guide are useful next reads once you've got the exam mechanics down. If you're still weighing whether the licensure investment makes sense for your career path, Is the UT-JP Certification Worth It? tackles that question directly.
Once you've internalized this cheat sheet, the next step is testing your recall under realistic conditions. Practicing with timed questions on our UT-JP practice test platform is the fastest way to find out which of these 13 domains still need work before you spend $85 on the real written attempt. Come back to the main practice site regularly in your final two weeks to keep your speed sharp for the four-hour format.
Frequently Asked Questions
You need 70% correct across the 100 questions administered in the four-hour computer-delivered session.
Yes. The written exam is available at approved Prov testing centers or remotely through ExamRoom proctoring. The practical exam, however, must be taken in person.
Use the 2024 International Plumbing Code, ISBN 978-1959851738. An older DOPL bulletin from June 23, 2025 lists the 2021 IPC, but that is outdated - always match your references to Prov's current list.
Failing either the Plastic Assembly or Copper Assembly project requires retaking the entire practical exam, including the project you passed, along with the $78 fee.
Yes. Effective January 19, 2026, first-time Prov registrants must electronically submit a Verification of Plumber Experience as part of registration.