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Journeyman Plumber Exam

Michigan: exemptions: practice questions

Our Journeyman Plumber bank has 3 questions on this topic. Here are 3 of them with answers; the full mock exam draws from every topic, like the real one.

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Question 1 · Michigan

May building sewers and water service pipes be installed without a Michigan plumbing license?

  1. Yes, with a permit
  2. No, never
  3. Only by homeowners
  4. Only in rural areas without public sewer service
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A. Yes, with a permit — MCL 339.6107(2)(b).

Question 2 · Michigan

When may a Michigan homeowner install their own plumbing?

  1. Never
  2. In their own home, with a permit
  3. On rentals
  4. Without a permit, as long as the work is inspected later
Show the answer

B. In their own home, with a permit — MCL 339.6107(2)(d).

Question 3 · Michigan

What is a 'minor repair' under Michigan's plumbing article?

  1. Any job under $500
  2. Clearing stoppages and swapping faucets or valves
  3. Replacing a backflow preventer or air admittance valve
  4. Adding a fixture
Show the answer

B. Clearing stoppages and swapping faucets or valves — MCL 339.6103(b).

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