Which tool is used to confirm the absence of voltage before work?

Which tool is used to confirm the absence of voltage before work?

• A. Torque wrench
• B. Megger
• C. TIC Tracers / Voltage Tester
• D. Crimpers

Answer: (C)

Before doing any electrical work, you must verify that the circuit is not energized. The appropriate tool for this is a voltage tester, such as a TIC Tracer or other voltage tester. These devices actively check for the presence of voltage on a conductor or equipment, giving you a clear indication that it’s live or dead. A good practice is to first test the tester on a known live source to confirm it’s working, then test the target area. If the tester shows no voltage, you can proceed with safety steps like lockout/tagout. A megger, on the other hand, is used to measure insulation resistance by applying a high voltage and assessing leakage; it’s not meant to confirm that a circuit is de-energized. Torque wrenches and crimpers are mechanical tools for tightening and making terminations, not for checking voltage.

Before doing any electrical work, you must verify that the circuit is not energized. The appropriate tool for this is a voltage tester, such as a TIC Tracer or other voltage tester. These devices actively check for the presence of voltage on a conductor or equipment, giving you a clear indication that it’s live or dead. A good practice is to first test the tester on a known live source to confirm it’s working, then test the target area. If the tester shows no voltage, you can proceed with safety steps like lockout/tagout.

A megger, on the other hand, is used to measure insulation resistance by applying a high voltage and assessing leakage; it’s not meant to confirm that a circuit is de-energized. Torque wrenches and crimpers are mechanical tools for tightening and making terminations, not for checking voltage.