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Ontario plumbing code & 306A exam guides

Plain-language guides to the Ontario Building Code plumbing rules and the Plumber 306A exam.

• Which Plumbing Code Does Ontario Use?

  Ontario's plumbing rules are in the Ontario Building Code, not a separate plumbing code. Here's where they live and what that means for the 306A exam.

• Ontario Plumbing Code Study Guide (Part 7 Cheat Sheet)

  A plain-language map of Ontario Building Code Part 7 for plumbing apprentices: what each section covers and how to study it for the 306A exam.

• Ontario 306A Plumber Exam: How It Works and How to Prepare

  What to expect from Ontario's Plumber 306A Certificate of Qualification exam, the 70% pass mark, and a study plan that works.

• Plumbing Practice Tests: How to Use Them to Actually Pass

  Practice tests only help if you use them right. How to use plumbing practice tests to find weak spots and get exam-ready for Ontario's 306A.