New Jersey Plumbing • Business & Law • Exam Navigation Training

Learn to find the answer, not just memorize it.

A study trainer built to help New Jersey master plumber candidates practice navigating the code book and law material efficiently under exam-style time pressure. Practice with hundreds of unique questions drawn from the Plumbing Code and Business & Law study material, with randomized test generation designed to give you a different mix of questions from one test to the next. Create targeted practice tests, use official content-outline weighting, review citations, track performance, bookmark and flag questions, and build speed through repetition.

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Independent study product created by Nicholas Sunseri. Not affiliated with, sponsored by, or endorsed by PSI, IAPMO, the State of New Jersey, or any testing authority.

Built for open-book efficiency

The goal is to train the same skill you need on exam day: identify what the question is asking, locate the governing material quickly, and make a confident selection.

Hundreds of unique practice questions
Large Plumbing Code and Business & Law question banks create fresh randomized tests. Questions do not repeat within the same generated test, while future tests can draw a new mix from the full bank.
Plumbing Code
Chapter filtering, OSHA material, IAPMO reader access, citations, real-exam weighting, adaptive practice.
Business & Law
Official subject weighting, source citations, glossary-format control, performance review.
Practical Exam
Currently closed while the practical trainer remains in beta.

What the trainer does

Use full-length simulations or narrow practice to the material you want to improve. The trainer is designed around efficient reference-book navigation rather than rote memorization alone.

Targeted practice

Choose Plumbing Code chapters or Law subject areas and build a focused test from the available bank.

Fresh tests every time

Hundreds of unique Code and Law questions are randomized into new test combinations, so repeated practice is not limited to one fixed exam form.

Real exam weighting

Optionally distribute questions according to the official PSI content-outline subject counts.

Adaptive selection

Favor missed, slower, and unseen material while keeping questions unique within the same test.

Reference workflow

Open the official IAPMO reader separately during Code practice without cancelling your active test.

Review tools

Bookmarks, flagged questions, saved tests, timers, citations, and performance analytics support deliberate review.

Mobile friendly

Designed for desktop and mobile study, including a separate reader tab on phones and tablets.

Study at Your Own Pace, on Your Own Time

Preparing for your Master Plumber exam shouldn't mean giving up another night of your work week.

Your schedule. Your study session.

Traditional in-person prep classes can require hours in a classroom at a time - sometimes three hours in a single evening. After a full day of work, that can be difficult to fit around your job, family, and everything else you have going on.

NJ Master Plumber Exam Trainer puts you in control of your study schedule.

Have 20 minutes after work? Take a short practice test. Have an hour on Saturday? Build a longer exam. Need to focus on Vent Systems, Water Supply, Contract Management, or another weak area? Select what you want to practice and focus your time where you actually need it.

With multiple test lengths, targeted chapter and subject practice, real-exam weighting, hundreds of unique questions, and randomized tests, you can study when you have time and for as long as you have time.

Prepare Without Breaking the Bank

Exam preparation shouldn't have to cost a fortune. The trainer is designed to provide an affordable way to practice again and again from your phone, tablet, or computer without committing to a rigid weekly classroom schedule.

No classroom schedule. No three-hour commitment after work.

Study for 15 minutes or three hours - the choice is yours.

The goal is simple: give working plumbers the tools to prepare effectively without taking more time or money away from the things that matter.

Request an account

Access is currently controlled while the trainer is in an early public release. Submit your information below or contact Nicholas directly.

EARLY ACCESS

Interested in using the trainer?

Contact Nicholas Sunseri for access.

nicholastsunseri@gmail.com
609-414-6232

The Practical Exam trainer is currently closed while beta development continues.

Copyright & Terms of Use

Create an exam

2026 PSI Candidate Information Bulletin
Official New Jersey Master Plumber examination bulletin and content outlines.
2026 PSI Plumbing Code Exam Content Outline — 100 Items
Subject AreaItems
General Knowledge7
Materials, Uses, and Specifications17
Traps, Interceptors, and Backflow Prevention15
Plumbing Fixtures, Fixture Fittings, and Plumbing Appliances13
Water Supply Systems12
Drains and Waste — Indirect Waste / Roof Drain Piping15
Specialty Plumbing4
Safety7
Vent Systems10

Choose chapters

Select one chapter, several chapters, or all Chapters 1–15.

During a Code test, the IAPMO reader opens separately and does not cancel, pause, or reset the active test. On desktop the trainer requests a separate browser window; on phones/tablets it opens in a separate tab.
0Questions in selected bank
100Maximum exam questions
3:15Full exam time
© 2026 Nicholas Sunseri. All rights reserved. Original trainer content is licensed for individual study use only. Terms of Use