Plumber Exam Prep
Journeyman Plumber Exam by State
Plumbing requirements are jurisdiction-specific. Texas and Massachusetts have reviewed source cards below; every other state remains a navigation path with source review needed.
Jurisdiction and source checkpoint
Which Journeyman Plumber route are you taking?
There is no national exam form. Confirm jurisdiction, credential, issuer, portions, code edition, and allowed references before treating practice as aligned. This choice is additive and does not replace lesson, flashcard, test, Pathway, weak-area, missed-question, score, or exam-date progress.
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Texas/Massachusetts aligned admissions: 0 / 597 — 520 prompts, 5 lessons, and 72 flashcards all remain mixed supplemental material until every item has a complete source, ownership, license, and human-review record.
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Plumber · Question 1 of 5
According to the IPC, what is the drainage fixture unit (DFU) value for a residential water closet (1.6 gpf or less)?
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10 mixed supplemental questions · unreviewed discovery content · zero jurisdiction-coverage claims
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Journeyman plumber exam at a glance (Massachusetts example)
Journeyman plumber exams are set by each state, so formats differ. In Massachusetts, for example, the PSI journeyman exam is closed book with two parts — 80 written questions and 40 practical questions, 160 minutes each — and you need at least 70% on each part. The fee is $80.
| Part I — Written | 80 questions · 160 minutes |
|---|---|
| Part II — Practical | 40 questions · 160 minutes |
| Passing score | 70% minimum on each part |
| Format | Closed book · computer-based at PSI |
| Plumbing code | 248 CMR 10.00 (Massachusetts Uniform State Plumbing Code, 2023) |
| Exam fee | $80 (first attempt or retake) |
Massachusetts only. Other states differ in provider, code (IPC, UPC or a state code), question count and passing rules — pick your state below.
Source: PSI — Massachusetts Plumbers & Gas Fitters Candidate Information Bulletin · checked 2026-10-16
51
States covered
500+
Practice questions in app
IPC + UPC
Code editions covered
Journeyman Plumber License by State
Plumber License Exam Questions & Answers
How do I study for the journeyman plumber exam?
Start with the current candidate bulletin or licensing-board instructions for your jurisdiction. Confirm the exam provider, code edition, allowed references, content outline, question format, and passing rule before you build a study plan. Use code-navigation drills, fixture-unit calculations, and timed practice as supplemental review; a fixed number of weeks or daily minutes does not predict a passing result.
What is the best app to study for the plumber exam?
VoltExam offers journeyman plumber exam prep on the web with IPC/UPC practice questions, explanations, state guidance, and a built-in pipe DFU calculator. Native mobile apps are separate purchases for offline study.
How many questions are on the journeyman plumber exam?
It depends on the state, and there is no national question count. In Massachusetts, for example, the PSI journeyman exam has an 80-question written part and a 40-question practical part, 160 minutes each, and you need at least 70 percent on each part. Check your own board's current candidate bulletin.
What is the difference between IPC and UPC?
The IPC, or International Plumbing Code, is adopted by most US states east of the Rockies and published by the ICC. The UPC, or Uniform Plumbing Code, is used primarily in California, Oregon, Washington, and other western states and published by the IAPMO. Both cover the same core plumbing principles but have specific differences in fixture unit values and pipe sizing tables.
How long does it take to get a journeyman plumber license?
There is no single national timeline. Texas currently requires 8,000 hours of supervised plumbing-trade experience before the Journeyman Plumber examination application. Massachusetts requires documented education and experience, Board approval, and then PSI scheduling. Your licensing authority controls eligibility and timing; VoltExam has no evidence that a universal preparation schedule predicts a passing result.
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