Plumber
Install and repair water supply, drainage, and gas piping systems in residential and commercial buildings.
About Plumber
Plumbers install, repair, and maintain water supply, drainage, waste, and venting (DWV) piping systems, natural gas piping, and fixtures in residential, commercial, institutional, and industrial buildings. They read blueprints, select appropriate materials, and ensure systems comply with plumbing codes.
Work Environment
Plumbers work in new construction and renovation projects, both indoors and outdoors. They may work in confined spaces, at heights, and in trenches. The work involves exposure to water, sewage, and natural gas, requiring attention to safety and code compliance.
Physical Demands
- Working in confined spaces and trenches
- Lifting heavy pipes and fixtures
- Working at heights for rough-in work
- Bending, kneeling, and reaching
- Using soldering, brazing, and joining equipment
Designated Provinces & Territories
Red Seal Exam Structure
The Plumber Red Seal exam consists of 125 multiple-choice questions covering 7 major work activity areas.
Total Questions
Multiple choice
5–15%
Knowledge & Recall
60–70%
Procedural Application
20–30%
Critical Thinking
Skills for Success
The essential skills required to succeed in this trade, as defined by the Red Seal program.
Reading
Read technical manuals, code books, specifications, and safety documentation related to plumbing.
Document Use
Interpret blueprints, schematics, drawings, and technical documents used in plumbing.
Writing
Complete work orders, reports, inspection records, and other documentation for plumbing.
Oral Communication
Communicate with clients, colleagues, supervisors, and other trades to coordinate plumbing work.
Numeracy
Perform measurements, calculations, and estimates required for plumbing tasks.
Thinking
Apply problem-solving and critical thinking skills to diagnose issues and plan plumbing work.
Working with Others
Collaborate with team members, apprentices, and other trades on plumbing projects.
Digital Technology
Use digital tools, diagnostic software, and computer-based systems relevant to plumbing.
Continuous Learning
Stay current with evolving codes, technologies, and best practices in plumbing.
Career Advancement
Experienced plumbers can advance to supervisory roles, estimating, inspection, or start their own plumbing businesses. Some specialize in medical gas systems, fire protection, or green plumbing technologies.
Specializations
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