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Plumber Exam — IN

Journeyman Plumber Exam in Indiana

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

Exam Details

Licensing Body
Indiana Plumbing Commission
Exam Provider
PSI Exams
Code Edition
2018 IPC
Passing Score
70%
Question Count
80
Exam Fee
$50
Experience Required
4 years

Note: Always verify current requirements with Indiana Plumbing Commission.

How Indiana Compares Nationally

  • Indiana's $50 plumbing exam fee sits below the national median of about $65.
  • Indiana still uses the 2018 IPC, a cycle or two behind the 2021 edition some states have adopted — confirm the exact edition before you test.

Indiana Plumber License — What to Know

Statewide journeyman plumber license required.

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 Indiana 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.

Indiana Journeyman Plumber Exam — Frequently Asked Questions

How do I get my journeyman plumber license in Indiana?

In Indiana, the journeyman plumber license is issued by Indiana Plumbing Commission. The exam uses the 2018 IPC and is administered by PSI Exams. You need 4 years of experience. The exam fee is $50 and the passing score is 70%. Statewide journeyman plumber license required.

What plumbing code is used in Indiana?

Indiana uses the 2018 IPC 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?

Indiana 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 Indiana plumber exam?

VoltExam offers Indiana 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.