A voltage indicator is an essential piece of test equipment for an electrician. It is a small hand held device with two poles that give the user an instant and clear indication if a circuit is live or not giving you piece of mind when it comes to ensuring your safety. Voltage indicators are used in various applications that are simple circuits and very effective. They consist of a connector attached to a bus bar in the supply cabinet and a light emitting diode inside of a small housing with a window to view the light.
Voltage indicators and testers include a wide range of display features such as LED lights and audible signals to alert the user when live voltage is present. Some voltage indicators can also feature LCD display screens, informing the user that the line is powered and must be shut of prior to work.
Features
- Permanent device and less susceptible to damage
- Has reliability due to redundant circuits, surge immunity, long life LEDs and heavy duty construction
- Lifetime expectancy up to seven years
- Audible, LED and LCD displays to alert user of the prescence of live circuits
- Compact designs that can be carried in a pocket or tool bag with ease
Uses include
- Finding breaks in power cables
- Checking plug wiring and fuses
- Distinguishing between live and neutral wires
- Determining live cables in junction boxes
- Finding faulty switches
By using a voltage indicator to establish if voltage is present means that you are complying with health and safety recommendations for safe electrical work.