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2026 Statistics

Key Facts: TSSA EDM-E Exam

70%

Passing Score

TSSA Elevating Devices Certification Policies

2-3.5h

Exam Duration

TSSA Certification Examination Preparation Guide

100

Practice Questions

OpenExamPrep Practice Bank

$78.50

Exam Fee (CAD + HST)

TSSA Fee Schedule (May 2024)

$85.00

Biennial License Fee (CAD + HST)

TSSA Fee Schedule (May 2024)

2 years

Renewal Cycle

TSSA Elevating Devices Certification Policies

The TSSA EDM-E is Ontario's professional credential for mechanics specializing in accessibility lifts, stairlifts, and private home lifts. The official exam is open-book and multiple-choice, with a 70% passing grade. Fees include a CAD $78.50 + HST examination fee and a CAD $85.00 + HST biennial license fee (effective May 2024). This prep bank provides 100 practice MCQs mapped to safety standards, electrical schematics, and mechanical drive systems.

Sample TSSA EDM-E Practice Questions

Try these sample questions to test your TSSA EDM-E exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which of the following is the correct procedure for executing a group lockout/tagout (LOTO) on a commercial accessibility lift?

A.Each mechanic working on the lift must apply their own personal lock and tag to the group lockout box or energy-isolating device.

B.Only the lead mechanic needs to apply a lock, and other team members write their names on a tag.

C.The supervisor applies one lock representing the entire crew, and the key is left in the control cabinet.

D.Locks are optional if the main disconnect switch is within line of sight of the work area.

Explanation: Under occupational health and safety regulations, each worker involved in a lockout/tagout procedure must apply their own personal lock and tag to ensure they control their own safety. A group lockout box is commonly used to hold the keys of the primary lock(s) applied directly to the disconnect, and each worker secures the box with their own lock. This ensures the equipment cannot be re-energized until every single worker has removed their lock.

2Before entering the pit of an enclosed vertical platform lift for maintenance, what is the first safety action you should take?

A.Test the pit run/stop safety switch by placing it in the 'STOP' position and verifying that the lift will not run.

B.Visually inspect the bottom of the cylinder for oil leaks.

C.Wipe down the guide rails with lint-free rags.

D.Turn on the pit light to inspect the bottom limit switch.

Explanation: The safety switch in the pit is a critical device designed to protect the mechanic from unexpected carriage movement. Testing it immediately upon entry verifies that the safety circuit is open and that the controller cannot command lift travel while you are in the pit. Only after confirming this switch is functional and active should you perform other maintenance tasks.

3Under Ontario health and safety regulations, at what minimum height is a worker required to use personal fall protection equipment when working on a lift structure where guardrails are not present?

A.3.0 meters (approx. 10 feet)

B.1.8 meters (approx. 6 feet)

C.2.4 meters (approx. 8 feet)

D.1.2 meters (approx. 4 feet)

Explanation: Ontario Regulation 851 (Industrial Establishments) and construction rules generally mandate that fall protection is required when a worker is exposed to a fall hazard of 3.0 meters (approximately 10 feet) or more, or when working above open machinery or hazardous substances. Accessibility mechanics frequently work at heights exceeding this when installing or servicing lifts in commercial stairwells.

4What is the correct angle ratio for positioning an extension ladder against a hoistway landing wall?

A.4:1 ratio (for every 4 feet of height, the base should be 1 foot out)

B.3:1 ratio (for every 3 feet of height, the base should be 1 foot out)

C.5:1 ratio (for every 5 feet of height, the base should be 1 foot out)

D.2:1 ratio (for every 2 feet of height, the base should be 1 foot out)

Explanation: The 4:1 ratio (75-degree angle) is the safety standard for positioning portable extension ladders. This angle provides the best balance of stability, preventing the ladder from slipping outward at the base or tipping backward at the top. The base should be placed 1 unit of distance away from the vertical support wall for every 4 units of height to the point of support.

5Why is an elevator hoistway or deep lift pit considered a 'restricted space' (or under certain conditions a 'confined space')?

A.It has limited options for entry and exit and is not designed for continuous human occupancy.

B.It contains dangerous high-voltage electrical lines (>600V) in all instances.

C.It lacks artificial light fixtures and mechanical ventilation systems entirely.

D.It is restricted only to certified elevator inspectors and building owners.

Explanation: Pits and hoistways are restricted spaces because they have limited entry and exit openings and are designed solely for equipment housing rather than human habitation. If hazards such as toxic atmospheres, flooding, or mechanical entrapment are present or introduced during work, these spaces must be managed under formal confined space entry procedures to ensure safety.

6Which safety glass rating is required for elevating device mechanics working with power tools in Ontario?

A.CSA Z94.3 approved safety glasses with side shields

B.ANSI Z87 without side shields

C.CSA Z94.1 approved heavy duty goggles

D.Standard prescription lenses with polycarbonate material

Explanation: CSA standard Z94.3 governs eye protection devices in Canadian industrial workplaces. Side shields are required to protect the eyes from flying debris or dust generated during drilling, grinding, or cutting of guide rails and structural framing.

7When using a digital multimeter to test a suspected live 240V single-phase circuit on an accessibility lift, what is the minimum category rating required for the meter?

A.CAT III (600V) or higher

B.CAT I (300V)

C.CAT II (120V only)

D.Any standard electrical tester without category markings

Explanation: A CAT III (600V) rating is the minimum safety standard for testing distribution-level electrical panels and equipment inputs. This ensures that the meter's internal circuitry can handle voltage transients (spikes) without exploding or posing an arc flash hazard to the mechanic.

8Under electrical safety standards, what is the primary purpose of wearing arc-rated clothing and insulated gloves when working inside a live controller cabinet?

A.To protect against the thermal energy of an arc flash and prevent electrical shock.

B.To ensure grounding path continuity through the mechanic's body.

C.To prevent static electricity discharge from damaging electronic components.

D.To maintain clean contacts on control relays and circuit boards.

Explanation: Live troubleshooting exposes the mechanic to the risk of accidental short circuits, which can trigger an arc flash (releasing intense heat and light) or cause electrical shock. Arc-rated clothing is flame-resistant and insulates the body against thermal burns, while insulated gloves prevent current from passing through the hands.

9Which type of fire extinguisher must be present and verified near the machinery space during welding or grinding on a lift structure?

A.Class ABC dry chemical fire extinguisher

B.Class A pressurized water fire extinguisher

C.Class D metal fire extinguisher

D.Class K wet chemical fire extinguisher

Explanation: A Class ABC dry chemical extinguisher is suitable for three types of fires: Class A (ordinary combustibles like wood/paper), Class B (flammable liquids like hydraulic oil), and Class C (electrical equipment). Since all three hazards are present in an accessibility lift machinery room, an ABC extinguisher is the industry standard.

10When is it acceptable to place only a warning tag on a disconnect switch without an accompanying padlock during maintenance?

A.Only when the switch is physically incapable of accepting a padlock, and you take equivalent safety measures.

B.Whenever the maintenance job takes less than 15 minutes to complete.

C.If you are the only mechanic on site and keep the door locked.

D.Only if the client requests that power not be fully locked off to avoid building disruptions.

Explanation: If an energy-isolating device cannot be locked out, a tagout program may be used, but the mechanic must implement additional safety steps (such as removing a fuse, disconnecting a wire, or blocking a switch mechanism) to provide equivalent protection. In almost all modern equipment, disconnect switches are designed to accept padlocks, making lockouts mandatory.

About the TSSA EDM-E Exam

The Technical Standards and Safety Authority (TSSA) Class E Elevating Device Mechanic (EDM-E) Certificate of Qualification is a restricted trade license in Ontario. It authorizes the holder to construct, install, service, and maintain lifts for persons with physical disabilities. These accessibility devices include enclosed and unenclosed vertical platform lifts, inclined platform lifts, and stairways chairlifts. The open-book certification exam requires a score of 70% to pass. It tests the candidate's understanding of CSA B355 and CSA B613 safety codes, Ontario Regulation 209/01, safety and lockout procedures, basic electrical theory, electronic control schematics, hydraulics, drive mechanics, and rigging practices. Trainees must document their practical experience in the EDM-E Skills Passport.

Assessment

Open-book written examination with multiple-choice and true/false questions. Permitted references include CSA B355, CSA B613, and Ontario Regulation 209/01. Candidates must bring their own print copies of references.

Time Limit

2 to 3.5 hours

Passing Score

70%

Exam Fee

CAD $78.50 + HST for the examination and CAD $85.00 + HST biennially for the Certificate of Qualification (TSSA Fee Schedule effective May 2024). (Technical Standards and Safety Authority (TSSA))

TSSA EDM-E Exam Content Outline

15%

Safety & Workplace Practices

Lockout/tagout, pit safety procedures, fall protection, ladder safety, WHMIS, electrical safety boundaries, and PPE.

25%

Acts, Regulations & Codes

Technical Standards and Safety Act, O. Reg. 209/01, CSA B355, CSA B613, and Ontario Building Code barrier-free standards.

25%

Electrical Systems & Controls

Reading electrical schematics, multimeter usage, relay logic, control circuits, safety strings, limit switches, and battery systems.

20%

Mechanical & Hydraulic Systems

Hydraulic pumps, valves, cylinder seals, rupture valves, screw drives, chain/rope drives, governors, and safeties.

15%

Rigging, Hoisting & Hand Tools

Sling angles, load limits, shackle pinning, knots, hoisting equipment, fastener grades, torque wrenches, and basic tools.

How to Pass the TSSA EDM-E Exam

What You Need to Know

Passing score: 70%
Assessment: Open-book written examination with multiple-choice and true/false questions. Permitted references include CSA B355, CSA B613, and Ontario Regulation 209/01. Candidates must bring their own print copies of references.
Time limit: 2 to 3.5 hours
Exam fee: CAD $78.50 + HST for the examination and CAD $85.00 + HST biennially for the Certificate of Qualification (TSSA Fee Schedule effective May 2024).

Keys to Passing

Work through all 100 available questions
Review every answer and explanation
Track weak areas and revisit them
Use our AI tutor for tough concepts

TSSA EDM-E Study Tips from Top Performers

1Purchase and tab official copies of CSA B355 and CSA B613. Tabbing allows you to search rules quickly under timed conditions.

2Understand the difference between commercial/public installation rules (CSA B355) and private residence rules (CSA B613). Many questions focus on differences in speeds, areas, and safety margins.

3Practice tracing electrical safety circuits. If any switch in the safety string opens, the entire circuit is cut off. You should know how to trace where a fault lies.

4Review hydraulic principles, specifically looking at cylinder seals, cavitation indicators, and emergency lowering bypass valves.

5Confirm current TSSA regulations. Ontario Regulation 209/01 contains rules for reporting accidents and contractor responsibility that are heavily tested.

Frequently Asked Questions

What is the passing score for the TSSA EDM-E exam?

The passing score is 70% on the written TSSA certification exam.

What does an EDM-E license allow you to work on?

The EDM-E (Class E) license is restricted to lifts for persons with physical disabilities, which includes vertical platform lifts, inclined platform lifts, and stair chairlifts (under CSA B355 and CSA B613 standards).

Is the TSSA EDM-E exam open book?

Yes, it is open book. Candidates must bring their own permitted reference codes, including CSA B355, CSA B613, and O. Reg. 209/01. No notes or calculations may be written inside the books.

What are the fees for the EDM-E exam and license?

Under the TSSA fee schedule effective May 2024, the examination fee is CAD $78.50 + HST, and the biennial Certificate of Qualification fee is CAD $85.00 + HST. These fees are subject to annual adjustments.

What is the Skills Passport, and who needs it?

The Skills Passport is a mandatory document that every Mechanic-in-Training (EDM-T) must maintain. It documents hands-on competency sign-offs by a certified mechanic for specific mechanical tasks, and must be submitted to the TSSA to qualify for the exam.

How often must the TSSA elevating mechanic license be renewed?

The Certificate of Qualification must be renewed every 2 years (biennially) by submitting the renewal application and fee ($85.00 + HST).