The best smart switches still work as a regular light switch but also provide you with new ways to control your home lighting and switch wired devices. A two way light switch requires a three way cable three wires plus ground four conductors in all to be run in order for the light to be switched from any station.
So when the light switch is off it breaks the connection of the hot wire so that power can t get to the light fixture.
How light switches work. This means that at any time either switch may be upside down so that it s on in the down position or off in the up position. When the switch is on current flows along the black wire through the switch to the light and then returns to ground through the white wire to complete the circuit. When the switch is turned on the hot wire is reconnected thus supplying power to the light fixture.
Enter the dimmer switch a handy electrical component that lets you adjust light levels from nearly dark to fully lit by simply turning a knob or sliding a lever. In electrical wiring a light switch is a switch most commonly used to operate electric lights permanently connected equipment or electrical outlets. When you press the light switch this will shoot a signal via radio frequency to the receiver.
As it turns out the inner workings are pretty cool and surprising. How to wire 2 way light switch in this video we explain how two way switching works to connect a light fitting which is controlled with two light switches. The transmitter is the part of this wireless technology equation that is actually wireless.
In a single pole switches there is a spring loaded metal gate inside the switch that opens and closes the electrical circuit leading to the light fixture. The switch simply opens off or closes on the connection between the two terminals on the switch. Manually operated on off switches may be substituted by dimmer switches that allow controlling the brightness of lamps as well as turning them on or off time controlled switches occupancy sensing switches and remotely controlled sw.
Adding in a second light switch. Portable lamps such as table lamps may have a light switch mounted on the socket base or in line with the cord. However a light switch is installed in line with that hot wire.
They are installed using your existing in wall back boxes. Smart switches are a direct replacement for your traditional built in switches. In this article we ll look inside one of these everyday devices to find out how it controls lamp fixtures.
The receiver will interpret that signal and turn the load off or on depending on the opposite state of the fixture. When you toggle the level to the on position the gate snaps closed completes the circuit and allows power to flow through the switch and onward to the light fixture.