A professional who compiles, classifies, and keeps reports and records of tests performed by relay field-test crews and transmits supervisor's instructions to relay test crews of electric power company. Respnsibilities include:

• Prepares reports and verifies accuracy of data submitted by field-test crews in company plant and substation installations.
• Prepares reports on maintenance and new-installation tests performed at customer's substation.
• Classifies, files, and issues blueprints and related documents used on construction work by field-test crews.
• Verifies accuracy of calculations on test reports, such as power or current transformer ratio, circuit breaker time-performance, and transformer winding resistance, using calculator.
• Summarizes daily field-test reports and posts data in logbooks.
• Relays supervisor's instructions to test crews, using communication system.