TSSA EDM-E study guide
TSSA EDM-E · Work through your exam, one topic at a time.
The Elevating Devices Mechanic (EDM-E) credential is administered by the Technical Standards and Safety Authority (TSSA), Ontario's public safety regulator for Elevating & Amusement Devices, Ski Lifts, Fuels, Boilers & Pressure Vessels and Operating Engineers. This independent study page is for candidates preparing for the TSSA Elevating Devices Mechanic certification exam; it is not affiliated with or endorsed by TSSA. The TSSA EDM-E study guide has 4 sections and about 2,119 words.
01Elevating Devices Code and Regulation: Who May Do What, Under Which Code
Ontario regulates elevating devices as a licensed, inspected industry, so this domain tests more than clause numbers: it tests whether you know who may legally work on a device, which standard governs it, and what must happen before it carries passengers. The Technical Standards and Safety Act, 2000 and O.
533 words, about 3 min02Elevator and Escalator Mechanical Systems: Roping, Safeties, Buffers and Drives
Mechanical questions reward the candidate who reasons from rope, sheave and load relationships instead of memorizing part names. Expect traction and hydraulic arrangements, roping ratios, safeties and governors, buffers, door hardware, and escalator drive and step-chain components.
507 words, about 3 min03Electrical and Control Systems: Supply, Drives, Safety Chain and Fire Service
This domain covers the power, drive and logic side of an elevating device: machine-room supply and disconnecting means, AC and DC drives, the safety chain, door operators, and the fire and emergency modes a mechanic must be able to verify. A dedicated feeder serves the machine room or machinery space, with a lockable mainline disconnect for the drive, separate control and lighting circuits, and pit and machine-room receptacles as required by the elevating-device requirements of the Canadian Electrical Code.
531 words, about 3 min04Maintenance, Inspection and Safety Practices: Programs, Tests and Safe Work
Maintenance is where the exam becomes practical: documented programs, scheduled examinations and tests, the working relationship with TSSA, and the safety practices that keep mechanics alive in pits, on car tops and in hoistways. B44 requires a written maintenance control program (MCP) for each device: the tasks to be performed, their frequencies, and the records that prove they were done.
548 words, about 3 min