Final Tester

Conduct final test on electrical equipment.
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Quick Stats

Salary Range
$20,000 – $56,000

Data from U.S. Department of Labor

What do Final Testers do?

Conducts final test on electrical equipment, such as generators, motors, motor generator sets, switchgear, and control apparatus to determine conformity to specifications, using electrical testing equipment, measuring instruments, and mechanics’ and electricians’ handtools: Sets up test circuit by connecting unit to power supply, resistors, transformers, meters, and test panels in prescribed sequence. Operates and tests unit under specified conditions by moving levers, handwheels, knobs, and pushbuttons to apply prescribed voltages and current. Observes instruments, such as meters, tachometer, vibrometer, oscilloscope, thermometer, and potentiometer, and makes calculations, using slide rule, to determine resistance, starting torque heat, load, saturation, and other electrical characteristics. Observes and measures mechanical performance, such as ventilation, bearing noise, airgap, and end play, using micrometers, verniers, torsion meters, and other measuring and testing devices. Adjusts controls, such as resistors, relays, and circuit breakers to correct malfunctions. Records findings in test log and forwards findings to engineering department for analysis. May conduct dynamometer test on large motors and generators. May diagnose mechanical or electrical difficulties and suggest changes in design and operating function to engineering department. May mount units to test base.

Should I be a Final Tester?

You should have a high school degree or higher and share these traits:
  • Independent: You enjoy flying solo and doing things your own way.
  • Levelheaded: You hold your emotions in check, even in tough situations.
  • Team Player: You're able to listen, communicate, and work with tons of different people.

  • Also known as: Filament Tester, Fire Extinguisher Tester, Signal Tester

    How to become a Final Tester

    Most Final Testers have no higher education and get on-the-job training. Think about earning a Certificate or Associate's degree to increase your competitiveness in the field. Chart?chd=s:9zcaaa&chl=no+college+%2869%25%29|certificate+%2828%25%29|associate%27s+%283%25%29|||&cht=p3&chs=466x180&chxr=0,69,69
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