What does a Relay & Instrumentation Technician (288R) do?

Relay & Instrumentation Technicians repair, overhaul, and calibrate vital signal control relays (VSCR) within the transit environment.

Job Related Skills, Interests and Values

  • Diagnosing and repairing data power and acquisition and code systems; testing VSCRs
  • Executing various types and styles of CNC programming
  • Understanding numerically controlled machines including horizontal, vertical, turning and machining centres, cutters, computer communicators, and EDMs
  • Demonstrated knowledge of numerical control technology and capabilities including G-Code programming, PLCs, adaptive controllers, manual programming, interfacing, CAD/CAM, and 2D and 3D programming
  • Strong communication skills and ability to handle problems and emergencies with confidence
  • Sense of safety for oneself and others

What Preparation and Training Do You Need?

  • Secondary school diploma with senior math and physics credits
  • Co-op/OYAP focusing on instrumentation and CNC programming recommended
  • Completion of an 8,000-hour apprenticeship, including a combination of on-the-job and in-school training

What's Your Future as a Relay & Instrumentation Technician (288R)?

  • Full-time work, often in shifts
  • Indoor and outdoor; above and below ground
  • Conditions may be cramped, dark, cool, or exposed to the elements; often standing for long periods; exposed to noise/fumes/heat
  • May be responsible for subways, railways, commuter trains, or sky-service trains
  • Employers include locomotive and public transit companies

Wage Rate

Apprentice wage increases with skills and expertise. Fully qualified workers earn an average of up to $32.00 per hour.


Relay & Instrumentation Technician (288R)

Ask Yourself: Yes No
Do you consider yourself a continual learner? Can you read and understand blueprints?
Do you have good problem-solving skills?
Are you able to lift 50lbs comfortably?
Are you able to follow Health & Safety guidelines?
Are you comfortable working indoors and outdoors?
Would you enjoy interacting with site supervisors, customers, suppliers, co-workers and other tradespeople to get the job done?
Do you have excellent time-management? Are you an organized person?

If you checked YES to the majority of these questions, a career as a Relay & Instrumentation Technician may be for you!

You might want to look at these similar trades as well;

  • Instrumentation & Control Technician
  • Electrical Instrument Mechanic
  • Electronics Technician
  • Construction Millwright and Industrial Maintenance Mechanic

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