Helpful school subjects
electrical technology, mathematics, physics, electronics, computer and communications technology, co-op and SHSM.
← Relay and Instrumentation Technician overview
02 · WHY · ASSEMBLE PATH
Why might Relay and Instrumentation Technician fit me?
Career fit is not a score. Notice what interests you, then compare that curiosity with real workplaces and real people.
ESTIMATED ANNUAL EARNINGS
$68,000low
$96,000median
$120,000high
Ontario Job Bank hourly rates multiplied by 2,000 paid hours: $34.00, $48.00 and $60.00. Before tax; overtime, premiums, benefits, unpaid time and self-employment income are excluded.
FIT EXPLORATION
What sounds like you—right now?
Select any statements you want to think about. Your answers can change as you learn about Relay and Instrumentation Technician.
Start anywhere.
There is no minimum and no passing score.
REALITIES TO CONSIDER
Interesting work can still be demanding.
- high-voltage environments and arc-flash boundaries
- critical protection and control systems
- planned outages and emergency callouts
- precise testing and documentation
- legacy equipment beside digital networks
Strengths to practise
electrical theory, logical troubleshooting, calibration precision, data interpretation, procedural discipline.
Careers to compare
Instrumentation and Control Technician, Power System Electrician, Industrial Electrician, Protection and Control Technologist, Substation Supervisor.
EVIDENCE BASE
Sources & verification
Regulated, numerical and time-sensitive claims link to the authority used. Accessed and reviewed August 25, 2026.
Skilled Trades Ontario — Relay and Instrumentation Technician ↗Official scope, duties, training and certificationGovernment of Canada Job Bank — Ontario wages ↗Ontario low, median and high employee wage benchmarkSkilled Trades Ontario — Start an apprenticeship ↗Eligibility, sponsors and registrationOntario — OYAP ↗High-school apprenticeship pathway
Meet the people and workplaces behind the trade.