Light Dimmer Switch Circuit Diagram
Care should be taken in selecting your dimmer switch. Dimmers come in two basic wiring configurations.
3 Way Switch Wiring Diagrams 3 Way Switch Wiring Home Electrical Wiring Wire Switch
A rheostat or dimmer makes it possible to vary the current flowing to a light fixture thereby varying the intensity of the light.
Light dimmer switch circuit diagram. In the last section we saw that a dimmer switch rapidly turns a light circuit on and off to reduce the energy flowing to a light switch. A triac is a small semiconductor device similar to a diode or transistor. Most dimmers are rated for 600 watts of power consumption so if you have several light fixtures which will be controlled by the 3 way dimmer switch you will need to count the number of fixtures the number of lamps per fixture and the watts per lamp.
We put the parts includes s2 ldr and ra 33k 1 2w or rb to the ac dimmer circuit. I told him it might not work but he was so sure about it so i had to test it and of course it didn t work. When no light or night to ldr the circuit will be closed the lamp as the load will glow.
Traveler wires are interchangeable on each switch. With a standard single pole dimmer a single switch controls the. Like a transistor a triac is made up of different layers of semiconductor material.
The dimmer switch will have stranded wires that must be sliced to the solid cable wiring in a pigtail fashion. And a potentiometer vr 500k adjusts the sensitivity. This is the simplest light dimmer circuit diagram or fan regulator circuit diagram.
A 3 wire nm connects the travelers of the dimmer to the travelers of the 3 way switch. The circuit is based on the principle of power control using a triac the circuit and design are the same for fan or light the only difference is the output load to be varied that is fan or light. Dimmer switch wiring diagram.
In the diagram below a 2 wire nm cable supplies power from the panel to the dimmer box. But you won t be able to dim the lights from every switch location unless you buy a set of special dimmers with advanced electronics and install one at each switch location. If the light can be switched on and off from two or more switches buy a three way dimmer switch.
Turn on a switch s2 this circuit becomes the automatic light switch circuit. Hi guys just a short article about a light dimmer switch that i opened a few days ago. I wanted a way to adjust the speed of a 220v fan and a friend of mine told me that i can use a regular and cheap light bulb dimmer for this.
The black line wire connects to the common terminal of the 3 way dimmer. Standard single pole dimmers and three way dimmers. Dimmer switches are not compatible with all fluorescent lights so be sure to always double check the dimmer switch is rated for the specific bulb you choose.
Check out our wiring wizard for step by step instructions videos and wiring diagrams including 3 way for installing a dimmer. The 3 way dimmer and 3 way switch are also interchangeable. The central element in this switching circuit is a triode alternating current switch or triac.
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