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UER Forum > UE Encyclopedia > Non-Contact Voltage Sensor (Viewed 5643 times) Entry: Non-Contact Voltage Sensor originally posted by ReAct A pen-shaped, battery-powered device used to indicate the presence of alternating current by emitting a steady or pulsing glow. Some models are also equiped with audible signals such as a tick or tone of some kind. They are activated by the changing electrical field surrounding most sources of alternating current, and generally work within a range of 24 to 600 volts depending on the model. These are useful tools for safely locating potential shock hazards without exposing oneself to danger. However, it is important to note that they are not infallible and sometimes indicate a danger where none exists. More importantly, but much less frequently, there are some rare circumstances under which they will not activate despite the fact that a potentially lethal current is flowing in the circuit under test. These devices are also known as "Tickers" and "Hot-Sticks." Modify this entry  | Remove this entry UER Forum > UE Encyclopedia > Non-Contact Voltage Sensor (Viewed 5643 times) Add a poll to this thread This thread is one of your Favourites. Click to make normal. Click to make this thread a Favourite. This thread is in a public category, and can't be made private. All content and images copyright © 2002-2024 UER.CA and respective creators. Graphical Design by Crossfire. To contact webmaster, or click to email with problems or other questions about this site: UER CONTACT View Terms of Service | View Privacy Policy | Server colocation provided by Beanfield This page was generated for you in 93 milliseconds. Since June 23, 2002, a total of 738594256 pages have been generated.