Can I use a dimmer on CFL bulbs?

A: No. A CFL that is not specifically designed for dimming should not be used on a dimmer. The CFL may flash or flicker and the reliability of the CFL or the dimmer may be reduced.

Why are my dimmable lights not dimming?





One of the most apparent reasons for dimmer switches not being able to dim all the way is the lack of compatibility between the dimmer and bulb you have used. There are dimmable bulbs and non-dimmable bulbs; if you were to use a non-dimmable bulb with a dimmer switch, it wouldn’t work out at all.

How can you tell if a CFL is dimmable?

The package or bulb should say if it’s dimmable and tell you which dimmer switches are compatible. You may get varying results with different CFLs and their compatible dimmers. Sometimes the CFL will only dim down to a certain percentage, about 10-40% of full light levels, before the light cuts off completely.

Why are my dimmers not working?

If your dimmer switch suddenly stops working, there could be issues with the electrical wiring. If it’s not installed correctly or the wires come loose, the switch might stop working. You might hear a buzzing or crackling sound if wiring is the issue. When you suspect a wiring issue, hire an electrician to inspect it.

How do you dim CFL bulbs?

A standard CFL bulb can’t be used in a dimmable fixture. The packaging for standard CFL bulbs warns against using the bulb with a dimmer. If you try to dim a standard CFL, the bulb will flash, flicker or go out.

How do you make fluorescent lights dimmable?





The only way to have dimmable tubes in a decent and reliable way, is by using LED tubes. With LED tubes, you can still make use of your own fixtures, LED tubes are plug and play replacers for the fluorescent tubes inside.

Why do my dimmable LED lights stay on?

In this case the LED continues to glow permanently when the light switch is turned off. This may be due to the type of light switch or dimmer or an incorrectly connected switch. Even an unfavorable cable routing can be responsible for the glow.

Do you have to use a special dimmer switch for LED lights?

A standard dimmer switch cannot be used with an LED light as you will never be able to dim the LED light either completely or not very well. LED lights need their own special electronic dimmer switch to have a fully functioning and dimming light.

Do you need special light bulbs for a dimmer switch?

Conventional incandescent light bulbs are compatible with most types of dimmer switches and are adjustable to almost zero light output. By contrast, many LED bulbs won’t work with standard dimmer switches—the kind you most likely have in your house.

How can you tell if a dimmer switch is bad?



Attach the continuity tester’s alligator clip to one of the dimmer wire leads. Hold the continuity tester’s probe to the other dimmer wire lead. If the continuity tester’s continuity LED glows, the device is working; otherwise, you have a faulty dimmer switch.

What are the signs of a bad dimmer switch?

Usually a bad or failing headlight dimmer switch will produce a few symptoms that can alert the driver of a potential issue.

  • Problems switching between high and low beam. …
  • Headlights stuck on one setting. …
  • Headlights do not function.


How do you reset a dimmer light switch?



Quote from the video:
Quote from Youtube video: And we're just gonna reset it by pressing this top button three times and then you hold on the third. Press the lights are gonna light up here after you hold it down for 10 seconds.

Can any bulb be used with a dimmer?

One of the most utilitarian bulbs, incandescent bulbs work with any dimmer switch on the market. Inside an incandescent bulb, electric currents move through a wire filament, which causes the filament, and therefore the bulb, to glow.

Are all fluorescent tubes dimmable?

It is not recommended for your pocket, time, nor your expectations. FYI, fluorescent lights do not dim well at all. Most results of actually dimmed light will incur in a sort of creepy intermittent flickering light which will be great for a horror zombie movie set up but not for a useful lightning system.

Can I use a non-dimmable bulb on a dimmable switch?

It is that a non-dimmable electrical light should never be used with dimmer switches.

What are the different types of ballasts for dimming a fluorescent fixture?



Fluorescent ballasts use three different types of starting technologies: rapid, instant, and programmed.

What is a dimmable ballast?

Dimmable fluorescent ballasts are compatible with dimming switches and other lighting controls that turn lights on or off and allow the light output to be dimmed.

Are all ballasts dimmable?

While magnetic dimmable ballasts do exist, almost all dimmable ballasts these days are electronic. Electronic ballasts vary the frequency at which they run the lamps without changing the electrode voltage and are therefore able to get a much wider range of dimming.

How do dimmable fluorescent lights work?

SwitchDIM / Touch and Dim



It works by the ballast sensing a mains signal at its control input. These systems use a momentary, non-latching switch to provide the control input. The ballast must have an unswitched supply to activate the control circuitry.