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Plumber Exam — MI

Journeyman Plumber Exam in Michigan

Complete breakdown of the journeyman plumber licensing process in Michigan — code used, exam provider, and what to study.

Exam Details

Licensing Body
Michigan Bureau of Construction Codes
Exam Provider
PSI Exams
Code Edition
Michigan Plumbing Code (IPC-based)
Passing Score
70%
Question Count
80
Exam Fee
$30
Experience Required
8,000 hours

Note: Always verify current requirements with Michigan Bureau of Construction Codes.

How Michigan Compares Nationally

  • At $30, Michigan has one of the most affordable plumbing exam fees nationwide — the national median is about $65.

Michigan Plumber License — What to Know

Michigan measures experience in hours (8,000 hours for journeyman). Michigan uses an IPC-based state code.

Key Code Sections to Master

The International Plumbing Code (IPC) exam covers water supply, drainage, venting, fixtures, water heaters, storm drainage, and special piping. Focus on the table for pipe sizing (Table 604.4 for water supply, Table 710.1 for drainage fixture units), minimum fixture requirements by occupancy type, and venting rules. Drainage fixture units (DFUs) are frequently tested via calculation questions.

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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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Practice for the Michigan 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.

Michigan Journeyman Plumber Exam — Frequently Asked Questions

How do I get my journeyman plumber license in Michigan?

In Michigan, the journeyman plumber license is issued by Michigan Bureau of Construction Codes. The exam uses the Michigan Plumbing Code (IPC-based) and is administered by PSI Exams. You need 8,000 hours of experience. The exam fee is $30 and the passing score is 70%. Michigan measures experience in hours (8,000 hours for journeyman). Michigan uses an IPC-based state code.

What plumbing code is used in Michigan?

Michigan uses the Michigan Plumbing Code (IPC-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?

Michigan uses the International Plumbing Code (IPC). The IPC exam covers water supply, drainage, venting, fixtures, and pipe sizing. Key tables to master: Table 604.4 (water supply sizing) and Table 710.1 (drainage fixture units). The IPC is used by the majority of U.S. states.

What is the best app to study for the Michigan plumber exam?

VoltExam offers Michigan 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.