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Voltage Detection

Voltage Detection
Voltage Detection
A voltage detector, also known as a voltage tester or test light, is an electronic testing device used to determine the presence of electricity in a conductor.

Voltage detectors can be both handheld or built into a circuit, depending on application requirement. Handheld detectors often resemble pens or flashlights, and are usually used for routine testing where efficiency is valued. Permanent detectors are hardwired into a control circuit and are used for safety purposes. If a machine is still drawing power when it shouldn’t be, for example, an inline detector can indicate this to operators.

Built-in detectors offer the most flexibility, in the voltage threshold required for detection, the maximum voltage the equipment can measure, and their integration into control systems like how far away from a machine they can be.