HV Equipment Testing and Maintenance

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What is the primary objective of electrical and test engineers when working with high-voltage test and measurement equipment?

To achieve the most precise readings possible while maintaining a safe work area.

What is a common drawback of using external probes such as high-voltage dividers in high-voltage applications?

They are prone to errors.

Why is it essential to select the right HV tester for a specific application?

To ensure accurate readings and maintain a safe work environment.

What is the primary purpose of Personal Protective Equipment (PPE) in high-voltage testing and maintenance?

To protect workers from electrical shock and other hazards. Signup and view all the answers

Why is circuit power safety crucial when working with high-voltage equipment?

To prevent electrical shock, arc flash, and other hazards. Signup and view all the answers

Why is segregation of HV equipment essential in high-voltage testing and maintenance?

To prevent electrical shock and other hazards. Signup and view all the answers

What is an essential step to ensure safety when working with high-voltage equipment, especially when making physical adjustments?

Ensure voltage is discharged to a safe level prior to making physical adjustments. Signup and view all the answers

Why is it recommended to use a rubber mat on the ground and workbench when working with high-voltage equipment?

To prevent electrical shock or flashovers by providing insulation from the ground. Signup and view all the answers

What is the purpose of using interlocked test fixtures in a safety enclosure?

To ensure that the test engineer remains outside the enclosure at all times. Signup and view all the answers

Why is it important to put the device under test (DUT) inside the safety enclosure?

To prevent electrical shock or other hazards by containing the high-voltage equipment. Signup and view all the answers

What should test engineers avoid wearing when working with high-voltage equipment?

Conductive jewelry. Signup and view all the answers

What is the purpose of posting safety signs when working with high-voltage equipment?

To warn untrained individuals of potential hazards and prevent accidental exposure. Signup and view all the answers

What are some environmental factors that can affect the accuracy of high-voltage measurements?

Nearby capacitive objects, water, dust, and chemicals. Signup and view all the answers

What is the main goal when working with high-voltage test and measurement equipment?

To avoid electricity that can transit through the heart or brain. Signup and view all the answers

Why is it advisable to set up a safety barrier when calibrating high-voltage instruments?

To prevent capacitive coupling from arcing as little as three to four feet away. Signup and view all the answers

What is the purpose of segregating high-voltage equipment?

To prevent electrical shock and ensure safety. Signup and view all the answers

What is the recommended calibration cycle for high-voltage instruments?

One year cal cycle. Signup and view all the answers

What is the corona effect, and how does it affect high-voltage measurements?

A purple glow that leaks energy, causing errors in high-voltage measurements. Signup and view all the answers