Description
Inspect, test, troubleshoot, and maintain substation equipment, protection, and control systems to ensure safe, reliable power delivery.
- • Install, test, maintain, and repair substation protection and control systems.
- • Inspect and test substation equipment and circuits using schematics and test instruments to identify defects.
- • Use manuals, drawings, and coordination with engineering to troubleshoot and optimize equipment performance.
- • Communicate planned and unplanned equipment outages to operations and stakeholders.
- • Perform switching to isolate equipment and make adjustments or repairs under established clearances.
- • Document test results, maintenance activities, repairs, and configurations.
- • Analyze test data to diagnose faults, verify performance, and assess modifications.
- • Perform insulation tests on bushings and insulators and calculate losses.
- • Service, repair, and replace components such as circuit breakers, disconnects, switches, and instrument transformers.
- • Remove and install voltage regulators and connect replacements per approved procedures.
- • Assist with construction and commissioning of monitoring, SCADA, and control devices.
- • Test and document connectivity and signal quality for control, relay, and communication cables.
- • Perform or assist with splicing and terminating control and power cables to color-code standards.
- • Sample and test insulating oil in breakers and transformers and service as required.
- • Maintain inventories of substation spare parts and requisition replacements.
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Related Pathways
Advanced Manufacturing
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Tasks & skills:
O*NET occupational data (work activities, skills, knowledge).
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This site includes information from O*NET by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA), used under the CC BY 4.0 license. Career Clutch has modified some of this information for student readability. USDOL/ETA has not approved, endorsed, or tested these modifications. O*NET® is a trademark of USDOL/ETA.
Last reviewed: Jan 2026
