What is the purpose of a Potential Tester?

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Multiple Choice

What is the purpose of a Potential Tester?

Explanation:
A potential tester is used to detect the presence of voltage, helping you determine whether a circuit is energized or isolated. This quick yes/no check is crucial for safe work, allowing you to verify de-energization before touching conductors and applying lockout/tagout. It isn’t meant to measure current, test insulation resistance, or calibrate instruments—those are functions of other tools. Some testers are non-contact and sense voltage without touching the conductor, while others require a direct connection, but the core purpose remains confirming whether voltage is present.

A potential tester is used to detect the presence of voltage, helping you determine whether a circuit is energized or isolated. This quick yes/no check is crucial for safe work, allowing you to verify de-energization before touching conductors and applying lockout/tagout. It isn’t meant to measure current, test insulation resistance, or calibrate instruments—those are functions of other tools. Some testers are non-contact and sense voltage without touching the conductor, while others require a direct connection, but the core purpose remains confirming whether voltage is present.

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