Electrical and Electronics Repairers, Powerhouse, Substation, and Relay

What the job really is

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

At a glance

• Sector: Installation, Maintenance & Repair
• O*NET-SOC code: 49-2095
• O*NET job zone: 3 — medium preparation
• Work sample tasks on file: 12
• Tools and technologies listed: 12

What you actually do

Work sample tasks recorded for this occupation:

• 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.
• Analyze test data to diagnose malfunctions, to determine performance characteristics of systems, or to evaluate effects of system modifications.
• Open and close switches to isolate defective relays, performing adjustments or repairs.
• Notify facility personnel of equipment shutdowns.
• Repair, replace, and clean equipment and components such as circuit breakers, brushes, and commutators.
• Run signal quality and connectivity tests for individual cables, and record results.
• Maintain inventories of spare parts for all equipment, requisitioning parts as necessary.
• Construct, test, maintain, and repair substation relay and control systems.
• Test insulators and bushings of equipment by inducing voltage across insulation, testing current, and calculating insulation loss.
• Schedule and supervise the construction and testing of special devices and the implementation of unique monitoring or control systems.

Tools and technology

Autodesk AutoCAD, Microsoft Excel, Microsoft Office software, Microsoft Outlook, Microsoft Windows, Microsoft Word, Adjustable hand wrenches, Adjustable pin spanner wrenches, Alternating current AC electric welders, Analog ohmmeters, Bearing pullers, Bench ammeters

What employers expect you to already be comfortable with.

Where this job leads

Related occupations — the usual moves up and sideways:

• Electrical and Electronics Repairers, Commercial and Industrial Equipment
• Control and Valve Installers and Repairers, Except Mechanical Door
• Electrical and Electronics Installers and Repairers, Transportation Equipment
• Electrical and Electronic Engineering Technologists and Technicians
• Electric Motor, Power Tool, and Related Repairers
• Power Distributors and Dispatchers
• Calibration Technologists and Technicians
• Stationary Engineers and Boiler Operators

Getting in

O*NET assigns this occupation job zone 3 (medium preparation). The related occupations above are the realistic routes in and out.

Find openings

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Check this against the source

O*NET OnLine: Electrical and Electronics Repairers, Powerhouse, Substation, and Relay — the authoritative public-domain profile this page is derived from, including the full task list, reported skills and the wage estimates for your region.

Derived and rewritten from the public-domain O*NET database (U.S. Department of Labor / Employment and Training Administration). Figures are observations, not promises — always confirm salary, licensing and visa requirements with the employer and the relevant authority.