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Job Description:

  • 1) Tests, cleans, repairs, and adjusts relays used to protect and control functions of equipment, such as circuit breakers, transformers, and automatic switches in generating stations, substations, and distribution facilities: Connects relay to test board and adjusts test board controls to simulate operating conditions.

  • 2) Observes ammeters, voltmeters, and related test board recording and indicating instruments to determine if relay performs all functions correctly, according to specifications of manufacturer and relay history card.

  • 3) Analyzes reactions of relay to tests to identify cause of malfunction.

  • 4) Tightens bolts, springs, and electrical connections, and adjusts screws to correct malfunction.

  • 5) Adjusts electrical, thermal, and timing elements to calibrate relay, according to installation specifications.

  • 6) Dismantles, cleans, or replaces worn or defective relays, using handtools and brush or feather.

  • 7) Records test results, repairs, adjustments, and related data on relay history card.

  • 8) May periodically inspect and test relays at functioning points.

  • 9) May test and repair related equipment, such as telemetering and supervisory-control devices.




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End Of Job Description for: "RELAY TESTER"
DOT:   729.281-038

Job Number: 8329