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Official exam blueprint

Red Seal Plumber exam format

See how the 125 questions are distributed, what kinds of thinking the exam tests and how to use the blueprint to plan your study time.

Questions
125
Writing time
4 hours
Pass mark
70%
Choices
4 each

Question distribution

Some work areas carry more weight than others.

The official breakdown is not a study shortcut. It helps you budget time without ignoring the smaller sections.

A

Common occupational skills

Performs common occupational skills

14questions
B

Tube, tubing and pipe

Prepares and assembles tube, tubing and pipe

13questions
C

Sewers and DWV systems

Installs, tests and services sewers, sewage treatment and DWV systems

32questions
D

Water service and distribution

Installs, tests and services water service and distribution

24questions
E

Fixtures, appliances and treatment

Installs, tests and services fixtures, appliances and water treatment

17questions
F

Steam and hydronic systems

Installs, tests and services low-pressure steam and hydronic systems

16questions
G

Specialized systems

Installs, tests and services specialized systems

9questions

Source: Government of Canada Red Seal Program. Distribution totals 125 questions.

How questions think

Most questions ask you to apply knowledge.

Memorizing terms is not enough. The largest share tests procedures and application in real trade situations.

15–25%

Knowledge and recall

Definitions, facts and trade principles.

60–70%

Procedural and application

Applying trade knowledge to a work situation or sequence.

10–20%

Critical thinking

Interpreting information, troubleshooting and reaching a valid conclusion.

What to expect

Exam-day facts worth knowing in advance

01

Every question has one correct answer and three incorrect options.

02

Questions cover knowledge and recall, procedural application and critical thinking.

03

Trade formulas identified by the Red Seal Program are provided with the exam sitting.

04

The questions follow the Red Seal Occupational Standard, not one province’s daily work alone.

Open the official Plumber exam breakdown ↗

Next: choose what to practise

Turn the blueprint into seven study queues.

See what each topic covers and how topic practice, diagnostics and mistake review work together.

Explore practice topics

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