Voltage Detector Light Switch

Testing a light switch this is a question that comes up often and here is the answer.

Voltage detector light switch.

Another great use for the circuit tester is to determine whether a switch is working photo 2. The three red wires on the right are. However it works like any light bulb in that it lights up when mains live hot voltage is applied to it. The tester will produce a voltage reading if the switch is good however sometimes you can get false voltage reading which i will explain below.

Live in from supply. This video explains their many benefits. Disconnect the switch connect one lead to one terminal and put the probe on the other while you flick the switch on and off. Why a tester may read voltage while the light switch is off.

Sensky bs010l dc 12v to 30v 3a mini pir motion sensor switch occupancy sensor switch for gun safe kitchen cabinet pantry closet led lighting black with light sensor 4 5 out of 5 stars 526 10 99 10. The bulb will light when you find the right wire. Product information technical details. If the switch is good the bulb should light up and turn off as well.

A motion sensor night light can be a smart addition to a child s room. An automatic light switch may also be useful in the garage laundry room or attic. Live out to switch. A common uk practice is to use the light fitting as a junction box for wiring fromthe supply to and from the light switch and onward to the next light fitting.

The product is easy to use and easy to handle. If you use dimmable cfl or led bulbs look for a compatible motion detector switch such as one of the models from lutron.