⚡ 4th Class Part B (4B) · Ontario

4th Class Part B (4B) power engineer practice exam — Ontario

Studying for the 4th Class Part B (4B) power engineering exam in Ontario? Practise with 706 original, syllabus-mapped questions, sit unlimited mock exams in the standardized SOPEEC exam format, and walk in knowing exactly where you stand.

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Original questions written to the public ABSA/SOPEEC syllabus (AB-054) — not copied from any secured exam or textbook. Independent; not affiliated with Technical Standards and Safety Authority, SOPEEC, or any regulator.

The 4th Class Part B (4B) exam in Ontario

In Ontario, power engineering certification is administered by Technical Standards and Safety Authority (TSSA). The 4th Class exam is written as separate papers (Part A and Part B), each 100 multiple-choice questions, 3 hours, 65% to pass. This course covers Part B (4B). Ontario uses the standardized SOPEEC papers, so a question bank keyed to the national SOPEEC syllabus applies directly.

Regulator: Technical Standards and Safety Authority. Last verified 15 June 2026 — confirm current requirements with Technical Standards and Safety Authority before you register.

Is the 4th Class Part B (4B) right for you in Ontario?

The 4th Class is the first full power engineering certification — the core ticket for operating and maintaining plant in industrial, institutional, and commercial facilities.

Arenas & ice rinks: Refrigeration Operator Class B is the arena/cold-storage ticket; plants over 22 kW register with TSSA.
Pools & aquatic centres: Pools are regulated under O. Reg. 565 (public health), not TSSA; Lifesaving Society Pool Operator or CPO are the standard credentials.
Requirements vary by plant size and facility — confirm what your role needs with Technical Standards and Safety Authority.

What the 4th Class Part B (4B) covers

All 706 questions are mapped to the 12 units of the SOPEEC 4th Class syllabus (ABSA AB-054), each with a worked explanation.

B-1Lubrication and Bearings

B-2Pumps and Compressors

B-3Boiler Safety Devices

B-4Boiler Plant Operation and Management

B-5Energy Plant Maintenance

B-6Water Treatment

B-7Types of Prime Movers and Heat Engines

B-8Plant Auxiliary Systems

B-9Basic Concepts of Compression and Absorption Refrigeration

B-10HVAC Fundamentals for Facility Operators

B-11Building Environmental Systems and Control

B-12Typical Industrial Plant Configurations

Exam fees & registration in Ontario

Approximately $225–285 all-in per exam paper (TSSA fee + Prometric test-centre fee); fees rose 3.8% May 1, 2025.

You register and write through Technical Standards and Safety Authority. SteamTicket is the independent practice bank you study with first — a one-time $79 purchase, separate from any regulator fee. Fees last verified 15 June 2026; verify with Technical Standards and Safety Authority.

What you get — and what you don’t pay

Most exam prep is a subscription that bills until you cancel. The 4th Class Part B (4B) bank is one payment, then it’s yours.

SteamTicket 4th Class Part B (4B) — $79 once

All 706 original exam-style questions
Worked explanation on every answer
Unlimited mock exams in the 100-question / 3-hour exam format
Adaptive SMART Quiz — weak units first
Works offline, on any device
Lifetime access, including future updates

A typical subscription app

Bills monthly — auto-renews until you cancel
Access stops when you stop paying
Costs more the longer you study
Often locks mock exams behind a higher tier

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4th Class Part B (4B) in Ontario — FAQ

Is SteamTicket affiliated with Technical Standards and Safety Authority?

No. SteamTicket is an independent study tool — not affiliated with, endorsed by, or connected to Technical Standards and Safety Authority, SOPEEC, or any regulator. We are the practice bank you study with; Technical Standards and Safety Authority administers and certifies the exam.

Are these real 4th Class exam questions?

No. Every question is original, written objective-by-objective to the public ABSA/SOPEEC 4th Class syllabus (AB-054) — the same style, scope, and difficulty as the exam, without copying any secured exam or textbook.

Does this match the Ontario (Technical Standards and Safety Authority) 4th Class exam?

Yes. Ontario uses the standardized SOPEEC 4th Class exam — 100 multiple-choice questions, 3 hours, 65% to pass — the same papers written across SOPEEC provinces, so SteamTicket's syllabus-mapped bank applies directly. Always confirm current requirements with Technical Standards and Safety Authority before you register.

What does the 4th Class exam cost in Ontario?

Approximately $225–285 all-in per exam paper (TSSA fee + Prometric test-centre fee); fees rose 3.8% May 1, 2025. Fees are set by Technical Standards and Safety Authority and can change — verify the current amount with Technical Standards and Safety Authority before registering. SteamTicket's question bank is a separate one-time purchase of $79.

Where do I register for the 4th Class exam in Ontario?

You register and write through Technical Standards and Safety Authority. SteamTicket is not a registration or certifying body — we are the independent practice bank you use to prepare first.

SteamTicket is an independent study tool. Not affiliated with or endorsed by Technical Standards and Safety Authority, SOPEEC, or any provincial regulator. Exam, fee, and eligibility details are general information — verify current requirements with Technical Standards and Safety Authority before applying.

More for Ontario: Ontario certification overview · 4th Class Part B (4B) course · all provinces