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Installation, Maintenance & Repair

Electrical and Electronics Repairers, Powerhouse, Substation, and Relay

Also called: Relay Technician, Substation Electrician, Substation Technician, Wireman

Typical education
Post-secondary certificate
50% of workers surveyed
Preparation needed
Medium Preparation Needed
Job Zone 3 of 5
Programs in this directory
228
that lead to this career

What electrical and electronics repairers, powerhouse, substation, and relay do

Inspect, test, repair, or maintain electrical equipment in generating stations, substations, and in-service relays.

Typical tasks

  1. 1Inspect and test equipment and circuits to identify malfunctions or defects, using wiring diagrams and testing devices such as ohmmeters, voltmeters, or ammeters.
  2. 2Prepare and maintain records detailing tests, repairs, and maintenance.
  3. 3Consult manuals, schematics, wiring diagrams, and engineering personnel to troubleshoot and solve equipment problems and to determine optimum equipment functioning.
  4. 4Analyze test data to diagnose malfunctions, to determine performance characteristics of systems, or to evaluate effects of system modifications.
  5. 5Open and close switches to isolate defective relays, performing adjustments or repairs.
  6. 6Notify facility personnel of equipment shutdowns.
  7. 7Repair, replace, and clean equipment and components such as circuit breakers, brushes, and commutators.
  8. 8Run signal quality and connectivity tests for individual cables, and record results.
  9. 9Maintain inventories of spare parts for all equipment, requisitioning parts as necessary.
  10. 10Construct, test, maintain, and repair substation relay and control systems.

Key skills

  • Critical Thinking3.8/5
  • Equipment Maintenance3.6/5
  • Repairing3.6/5
  • Troubleshooting3.5/5
  • Reading Comprehension3.4/5
  • Operations Monitoring3.2/5
  • Quality Control Analysis3.2/5
  • Active Listening3.1/5

Importance rated by workers in this career (1–5).

Knowledge areas

  • Mechanical4.3/5
  • Mathematics3.9/5
  • Engineering and Technology3.9/5
  • Public Safety and Security3.9/5
  • English Language3.8/5
  • Computers and Electronics3.7/5

Importance rated by workers in this career (1–5).

Technology used

  • Microsoft Excel
  • Microsoft Office software
  • Microsoft Word
  • Autodesk AutoCAD
  • Microsoft Outlook
  • Microsoft Windows

How to become one

Education
The most common level among workers surveyed is a post-secondary certificate (50%). Most occupations in this zone require training in vocational schools, related on-the-job experience, or an associate's degree.
Experience
Previous work-related skill, knowledge, or experience is required for these occupations. For example, an electrician must have completed three or four years of apprenticeship or several years of vocational training, and often must have passed a licensing exam, in order to perform the job.
Training
Employees in these occupations usually need one or two years of training involving both on-the-job experience and informal training with experienced workers. A recognized apprenticeship program may be associated with these occupations.

Where to study

Subjects that prepare for this career:

Showing 12 of 228 matching programs.

Related careers

Electrical and Electronic Engineering Technologists and Technicians

Apply electrical and electronic theory and related knowledge, usually under the direction of engineering staff, to design, build, repair, adjust, and modify electrical components, circuitry, controls, and machinery for subsequent evaluation and use by engineering staff in making engineering design decisions.

This page includes information from O*NET OnLine by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA). Used under the CC BY 4.0 license. O*NET® is a trademark of USDOL/ETA. We have modified some of this information; USDOL/ETA has not approved, endorsed or tested these modifications. Programs are linked with the CIP–SOC crosswalk from the U.S. Department of Education (NCES). Education levels and preparation describe the United States and may differ in other countries.

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