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Red Seal Program (with provincial and territorial apprenticeship authorities)

Red Seal Carpenter Interprovincial Exam

The Red Seal Carpenter exam is the interprovincial certification exam for the trade Ontario calls General Carpenter (403A). It has 100 multiple-choice questions drawn from the seven major work activities of the Red Seal Occupational Standard, and the Red Seal pass mark is 70%. You apply for and write it through your provincial or territorial apprenticeship authority.

Last checked against Red Seal Program (with provincial and territorial apprenticeship authorities) on .

Red Seal Carpenter (403A) at a glance

Number of questions
100 multiple-choice questions source ↗
Pass mark
70% source ↗
Maximum time allowed
4 hours source ↗
Question format
Multiple choice, one correct answer and three distractors source ↗
Largest exam area
MWA D, framing: 20 of 100 questions source ↗
Formulas
Mathematical formulas are provided during the exam for questions that need them source ↗
National Occupational Classification
NOC 72310 source ↗
Ontario General Carpenter apprenticeship
7,200 hours (6,480 on the job + 720 in school), non-compulsory trade source ↗
Current National Building Code of Canada
NBC 2025 (16th edition); provinces adopt editions on their own schedules source ↗
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What the Red Seal Carpenter (403A) covers

AreaWeightWhat to know
A – Performs common occupational skills12 questionsUsing and maintaining tools and equipment, safety-related activities, building and using temporary access structures such as scaffolds and ladders, and communication and mentoring.
B – Performs planning and layout14 questionsInterpreting drawings, specifications and codes, organizing work and estimating materials, and performing site and building layout with levels and lasers.
C – Performs concrete work16 questionsConstructing formwork (12 questions on its own, the single largest task on the exam) and installing concrete, cement-based and epoxy products.
D – Performs framing20 questionsConstructing floor systems, deck systems, wall systems, and roof and ceiling systems, including rafter and truss framing.
E – Performs exterior finishing14 questionsInstalling exterior doors and windows, roofing, and exterior finishes such as siding, trim and soffits.
F – Performs interior finishing14 questionsApplying wall and ceiling finishes, installing flooring, installing interior doors and windows, and constructing finish components and stairs.
G – Performs renovations10 questionsRenovation-specific support activities such as assessing existing structures, shoring and hazardous-material awareness, and renovation-specific construction.

How to get certified

  1. 1

    Register as an apprentice with your provincial or territorial authority

    Apprenticeship is run by each province and territory (for example Skilled Trades Ontario, SkilledTradesBC or Alberta Apprenticeship and Industry Training). Work hours, in-school levels and fees differ by jurisdiction, so confirm the requirements where you work.

  2. 2

    Complete your on-the-job hours and technical training

    Log your work-based hours with your employer and complete each level of in-school training. In Ontario, General Carpenter (403A) is set at 7,200 hours: 6,480 on the job and 720 in school across three levels.

  3. 3

    Or apply as a trade qualifier / challenger

    Experienced carpenters who never registered as apprentices can usually apply to challenge the exam by documenting their trade experience. Each authority sets its own hour thresholds and evidence rules, so check before you apply.

  4. 4

    Get approved and book the exam

    Once your authority confirms you are eligible, it tells you how and where to write the interprovincial exam. Use the Red Seal Occupational Standard and the official exam breakdown to plan your study.

  5. 5

    Write the exam

    Expect 100 multiple-choice questions and up to 4 hours. Formulas are supplied for questions that need them. You need 70% to pass; if you are unsuccessful, your authority sets the rules and waiting periods for a rewrite.

  6. 6

    Receive your certificate with the Red Seal endorsement

    Passing the interprovincial exam, along with meeting your jurisdiction's other requirements, leads to a certificate of qualification bearing the Red Seal endorsement, which is recognized across participating provinces and territories.

How to study

  • Study by the official weightings: framing (20 questions) and concrete work (16 questions) are the two largest areas, and formwork alone is worth 12 questions.
  • Drill the trade math until it is automatic: stair riser and run, rafter line length with the Pythagorean theorem, concrete volume in cubic metres, and material take-offs.
  • Practise reading full sets of drawings: plans, elevations, sections and details. Know how to scale a dimension and how to cross-reference a section mark to its detail.
  • Read the Red Seal Occupational Standard task by task and flag any sub-task you have not done on the job, such as formwork, stairs or renovations, then study those first.
  • Take timed practice sets: 100 questions in 4 hours is about 2.4 minutes per question, so skip and return to long calculations rather than stalling.

Frequently asked questions

How many questions are on the Red Seal Carpenter exam?

The Red Seal Program lists 100 questions for this trade, all multiple choice. They are split across seven major work activities: 12 common occupational skills, 14 planning and layout, 16 concrete work, 20 framing, 14 exterior finishing, 14 interior finishing and 10 renovations.

What score do I need to pass?

The Red Seal pass mark is 70%. On a 100-question exam that means at least 70 correct answers. Your provincial or territorial authority reports your result.

How long do I get to write it?

Red Seal states a maximum of 4 hours for its exams. Ask your apprenticeship authority about accommodations if you need them, because those are arranged locally.

Is 403A the same as the Red Seal Carpenter trade?

403A is Ontario's code for General Carpenter, which Red Seal lists as the Ontario name for its Carpenter trade. Quebec uses Carpenter – Joiner, and most other jurisdictions simply say Carpenter. In Ontario the trade is non-compulsory, and Skilled Trades Ontario issues the Certificate of Qualification.

Do I get formulas on the exam?

Yes. Red Seal says mathematical formulas are provided for questions that require them. You still need to know when to use each one and how to work through stair, rafter and volume problems quickly and accurately.

Which building code should I study?

The current national model code is the National Building Code of Canada 2025, the 16th edition. Provinces adopt editions on their own schedules, and some, including Ontario, publish their own building codes. Most residential carpentry rules sit in Part 9 (Housing and Small Buildings). Ask your apprenticeship authority which code edition your exam is based on.

What is the Red Seal Occupational Standard (RSOS)?

The RSOS is Red Seal's full description of the Carpenter trade and the basis for the exam. It is divided into major work activities, then tasks, then sub-tasks, and the exam breakdown shows how many questions come from each part. Red Seal publishes it, a self-assessment tool and sample questions on its Carpenter trade page.

Are these practice questions from the real exam?

No. VoltExam's questions are original items written to practise the topics in the official exam breakdown. They are not official Red Seal questions, and doing well on them does not guarantee a pass.

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Official sources

Sources checked November 2, 2026. VoltExam is independent and not affiliated with Red Seal Program (with provincial and territorial apprenticeship authorities). Rules change: confirm details with the official source before your exam.