Plumber Exam Prep / New Jersey
Plumber Exam — NJ
Journeyman Plumber Exam in New Jersey
Complete breakdown of the journeyman plumber licensing process in New Jersey — code used, exam provider, and what to study.
Exam Details
- Licensing Body
- NJ Division of Consumer Affairs
- Exam Provider
- PSI Exams
- Code Edition
- NJ Plumbing Subcode (UPC-based)
- Passing Score
- 70%
- Question Count
- 80
- Exam Fee
- $65
- Experience Required
- 4 years
Note: Always verify current requirements with NJ Division of Consumer Affairs.
How New Jersey Compares Nationally
- New Jersey's $65 plumbing exam fee is right in line with the national median.
New Jersey Plumber License — What to Know
New Jersey uses a UPC-based state plumbing subcode. Journeyman Plumber license required statewide.
Key Code Sections to Master
The Uniform Plumbing Code (UPC) exam covers similar topics to the IPC but with different numbering. Focus on water supply pipe sizing (Table 6-4), drainage fixture units (Table 7-3), venting requirements (Chapter 9), and fixture installation requirements (Chapter 4). The UPC is generally considered stricter on venting requirements than the IPC.
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Practice for the New Jersey plumber exam
Use this state guide to understand the license requirements, then drill IPC and UPC practice in your browser with pipe-sizing tools. Web access and native app purchases are separate.
New Jersey Journeyman Plumber Exam — Frequently Asked Questions
How do I get my journeyman plumber license in New Jersey?
In New Jersey, the journeyman plumber license is issued by NJ Division of Consumer Affairs. The exam uses the NJ Plumbing Subcode (UPC-based) and is administered by PSI Exams. You need 4 years of experience. The exam fee is $65 and the passing score is 70%. New Jersey uses a UPC-based state plumbing subcode. Journeyman Plumber license required statewide.
What plumbing code is used in New Jersey?
New Jersey uses the NJ Plumbing Subcode (UPC-based) for its journeyman plumber exam. The exam has 80 questions with a passing score of 70%. The exam is administered by PSI Exams.
What is the difference between IPC and UPC on the plumber exam?
New Jersey uses the Uniform Plumbing Code (UPC). The UPC covers similar topics to the IPC but with different article numbering. Key tables: Table 6-4 (water supply) and Table 7-3 (drainage fixture units). The UPC is generally considered stricter on venting requirements than the IPC.
What is the best app to study for the New Jersey plumber exam?
VoltExam offers New Jersey journeyman plumber exam prep on the web with IPC/UPC practice questions, explanations, state guidance, and built-in pipe sizing tools. Native mobile apps are available separately for offline study.