Welder (276A)
Join metals using various welding processes while meeting CSA and W59 structural standards.
A Red Seal endorsement is a seal on your provincial or territorial trade certificate. It shows you have the knowledge and skills to practice your trade across Canada — earned by passing the interprovincial Red Seal exam.
What this trade covers
Welders permanently join or sever metals, make parts used in metal construction, and repair parts and equipment using welding equipment. They work with ferrous and non-ferrous metals on pipes, vessels, plates, and structural components.
Exam format
- • 120 multiple-choice questions
- • 4-hour time limit
- • 70% required to pass
- • Closed-book
- • Closed-book exam based on the Red Seal Occupational Standard (RSOS) for Welder
Question types
Every question has one correct answer and three incorrect options — not trick questions, but distractors are not always obvious.
- Knowledge and recall15–25%
- Procedural and application60–70%
- Critical thinking10–20%
Exam blueprint (RSOS)
Questions are distributed across major work activities defined in the Red Seal Occupational Standard — the same breakdown used on the official exam.
Performs Common Occupational Skills
Performs Layout and Fabrication of Components for Welding
Performs Cutting and Gouging
Welding Processes
Official Red Seal resources
Source material from the Red Seal Program — administered by the Canadian Council of Directors of Apprenticeship (CCDA).