Electrical & Electronics Repairers, Powerhouse, Substation, & Relay

realistic interests test equipment repair prepare records analyze test data maintenance consult manuals proper functioning clean work area

Relay Technician, Substation Electrician, Substation Technician, Wireman

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What they do:
Inspect, test, repair, or maintain electrical equipment in generating stations, substations, and in-service relays.
On the job, you would:
  • 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.
  • Consult manuals, schematics, wiring diagrams, and engineering personnel to troubleshoot and solve equipment problems and to determine optimum equipment functioning.


Engineering and Technology

  • mechanical
  • product and service development

Math and Science

  • arithmetic, algebra, geometry, calculus, or statistics
  • physics

Safety and Government

  • public safety and security

Arts and Humanities

  • English language


Basic Skills

  • thinking about the pros and cons of different ways to solve a problem
  • reading work related information

Problem Solving

  • noticing a problem and figuring out the best way to solve it



  • listen and understand what people say
  • communicate by speaking

Hand and Finger Use

  • keep your arm or hand steady
  • put together small parts with your fingers

Ideas and Logic

  • notice when problems happen
  • order or arrange things


People interested in this work like activities that include practical, hands-on problems and solutions.

They do well at jobs that need:

  • Attention to Detail
  • Analytical Thinking
  • Cooperation
  • Dependability
  • Integrity
  • Adaptability/Flexibility


You might use software like this on the job:

Spreadsheet software

  • Microsoft Excel Hot Technology

Analytical or scientific software

  • Fluke Corporation FlukeView Forms
  • OMICRON Test Universe

Electronic mail software

  • Microsoft Outlook Hot Technology In Demand


Education: (rated 3 of 5)
certificate after high school or
associate's degree
usually needed

Get started on your career:

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Job Outlook

Below Average
New job opportunities are less likely in the future.
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