Substation and Relay Technicians
Official O*NET title: Electrical and Electronics Repairers, Powerhouse, Substation, and Relay (49-2095.00)
Also called: electrical and instrumentation technician, electrical technician, instrument and control technician, instrumentation and control technician, relay technician
Do you do this at work?
Answer each card — it takes about a minute.
Do you do this at work?
Consult manuals, schematics, wiring diagrams, and engineering staff to troubleshoot and solve equipment problems and to determine optimum equipment functioning
Swipe right for yes, left for not me. On a keyboard: → yes, ← not me, Z undo. +2 XP per answer.
How AI is changing substation and relay technicians work
1 of 9 measurable main tasks for this job show up in real AI-use data, so we rate it Green (little AI use yet) — 11%.
This shows where people already use AI, not whether the job will disappear. How we measure this.
Tasks in this job and recorded AI use
- Consult manuals, schematics, wiring diagrams, and engineering staff to troubleshoot and solve equipment problems and to determine optimum equipment functioning (main task) — some recorded AI use
- Inspect and test equipment and circuits to identify malfunctions or defects, using wiring diagrams and testing devices such as ohmmeters, voltmeters, or ammeters (main task) — no recorded AI use
- Prepare and maintain records detailing tests, repairs, and maintenance (main task) — no recorded AI use
- Analyze test data to diagnose malfunctions, to determine performance characteristics of systems, or to evaluate effects of system modifications (main task) — no recorded AI use
- Open and close switches to isolate defective relays, performing adjustments or repairs (main task) — no recorded AI use
- Notify facility staff of equipment shutdowns (main task) — no recorded AI use
- Repair, replace, and clean equipment and components such as circuit breakers, brushes, and commutators (main task) — no recorded AI use
- Run signal quality and connectivity tests for individual cables, and record results (main task) — no recorded AI use
- Maintain inventories of spare parts for all equipment, requisitioning parts as necessary (main task) — no recorded AI use
- Construct, test, maintain, and repair substation relay and control systems — some recorded AI use
- Test insulators and bushings of equipment by inducing voltage across insulation, testing current, and calculating insulation loss — no recorded AI use
- Schedule and supervise the construction and testing of special devices and the implementation of unique monitoring or control systems — no recorded AI use
- Schedule and supervise splicing or termination of cables in color-code order — no recorded AI use
- Test oil in circuit breakers and transformers for dielectric strength, refilling oil periodically — no recorded AI use
- Disconnect voltage regulators, bolts, and screws, and connect replacement regulators to high-voltage lines — no recorded AI use
Tasks: O*NET 31.0. AI use: Anthropic Economic Index (exact or close text match).
Your first steps (guidance)
- Week 1: Open a free AI assistant and say hello. Follow our “Getting started with AI” guide. Ask it one simple question about your work.
- Week 2: Use AI on one task you do often. Try the prompt for: “Consult manuals, schematics, wiring diagrams, and engineering staff to troubleshoot and solve equipment problems and to determine optimum equipment functioning”. Try the prompt for: “Construct, test, maintain, and repair substation relay and control systems”.
Tick your own tasks above to get a plan based on what you really do. The first 2 weeks are free; Premium (coming soon) adds weeks 3–12. New to AI? Read our beginner’s guide.
Questions about AI and substation and relay technicians
Will AI replace substation and relay technicians?
Our data can’t predict job losses, and we don’t try to. What it does show: 1 of the 9 main tasks for this job match tasks people already use AI for (Anthropic Economic Index), giving a Green rating (little AI use yet). Using AI on a task is not the same as AI doing the whole job, and 13 of the 15 listed tasks show no recorded AI use yet.
Which substation technician tasks is AI used for most?
In the data, the most AI use among this job’s tasks is for: construct, test, maintain, and repair substation relay and control systems; consult manuals, schematics, wiring diagrams, and engineering staff to troubleshoot and solve equipment problems and to determine optimum equipment functioning.
Which substation technician tasks show little or no AI use?
For example: inspect and test equipment and circuits to identify malfunctions or defects, using wiring diagrams and testing devices such as ohmmeters, voltmeters, or ammeters; prepare and maintain records detailing tests, repairs, and maintenance; analyze test data to diagnose malfunctions, to determine performance characteristics of systems, or to evaluate effects of system modifications. These are good places to keep building your own skills.
How does this job compare to others?
In Microsoft Research’s “Working with AI” study, this job’s AI applicability score is equal to or higher than 59% of the occupations they scored. That measures overlap with AI chat use, not risk of job loss.
How can a substation technician start learning AI?
Start small: open a free AI assistant, try it on one task you do often, and always check facts and numbers yourself. The plan on this page is guidance, not professional advice.
See how this job ranks
Substation and Relay Technicians ranks #441 of 572 jobs for the share of main tasks with AI use (#1 = most), and #18 of 44 in Trades & Repair.
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