What is a rotary dimmer?

A rotary dimmer switch has sort of a fancy name, but it’s something you’re probably already familiar with. It’s a dimmer switch with a dial on its face. They were pretty popular during the 1970s and 80s and are still widely available.

Is a rotary switch dimmable?

This Rotary style dimmer has a knob that you push in to turn on and off and rotates to brighten or dim. It works in single pole applications, where the light is controlled from one switch. This dimmer is perfect for rooms like your kitchen and living room.

Do Rotary dimmers save electricity?

Not only do modern light dimmers save you energy, but they also extend the life of your light bulbs! Dimmers use a “Triac Switch” to rapidly turn a light circuit on and off to reduce the energy flowing to a light bulb. This switch will cut the energy running to the fixture up to 120 times in one second.

How do I know what type of dimmer switch I have?

If you already have light bulbs and are looking for a dimmer switch, find the product page for the bulbs and check the PDF for a list of compatible dimmers to choose from. The specific dimmer compatibility information will always be with the bulbs rather than with the dimmer.

Do you need a special light bulb for a dimmer switch?

A dimmer switch can only support LEDs, CFLs and other lights that are made up of advanced technology and have a dimming feature.

Do dimmable LED bulbs use less electricity when dimmed?

There are pros and cons to both methods, but the fact remains that dimmable LEDs absolutely save energy. What’s more, that energy savings is directly proportional to the wattage you choose. If your dimmer is around 50%, you’re saving the same percentage in energy.

How do you install a dimmer in an old house?

How to Wire and Install a Dimmer Switch

  1. Remove the screws holding the old switch in place and pull the device out of the box.
  2. Cut the existing wires as close to the switch as possible.
  3. Strip about 3/4 inch of insulation back from the freshly cut wire ends and attach them to the leads on the dimmer.