Question about Pass & Seymour / Legrand DFB600-M 600VA Fluorescent Preset Dimmers Single P

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Fluorescent dimmir i need a cheep design for fluorescent lamp dimmer which spport regular and compact lamps

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The dimmer you purchase needs to be compatable with the ballasts of the C.F. light. A compact flourescent potlight has a ballast, if your replacing incandescent bulbs with compact flourecent lamps
you still need a flourescent dimmer. Remember a ballast is like a transformer! If you compact flourecent fixture has a ballast by Lutron. then you need a lutron dimmer as there ballasts are not officially compatable with other dimmers, allthough I've seen them work. My advise is buy Pass & Seymour (Legrand) or Leviton.

Posted on Jan 26, 2009

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My led lights start to strobe when I turn on exterior light that is fed from the same line circuit. Solution?


There are two things coming into play here; the lamps and the dimmer(s).

First; LED and CFL type lamps that are to be used on a dimmer switch - must be identified for that use. Looks for the word dimmable on the packaging or bulb itself. These lamps are generally a little more expensive than their non-dimmable counterparts. If it does not indicate it is dimmable, then it isn't - and should not be installed on a circuit controlled by a dimmer switch.

Second; a dimmer switch that will be used to control LED and CFL bulbs (that are identified for use with a dimmer) must also be identified for use with dimmable LED and CFL bulbs. Again, these dimmer switches will be identified for this use and will cost more than those that work with standard filament type bulbs.

Lutron has dimmers for your circuit called a "C•L™ Dimmer" and supports Incandescent / Halogen, Dimmable Compact Fluorescent (CFL) and Dimmable Light Emitting Diodes (LED) type lamps. have a look here:
Lutron Maestro Dimmer and Switch Models

Also, be wary of the total load (wattage) of the lamps being controlled. If you have multiple dimmers in the same box, derating of the switch's wattage capacity (due to increased heat) will be required.

Dec 03, 2015 | Maestro Electrical Supplies

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WHEN ON DIM THE LIGHT FLICKERS


That is because the dimmer is designed for incondescent lights and you are using compact fluorescent. To solve the flickering problem add at least one regular bulb to the system. If there is only one bulb then replace with a regular bulb if you are using a dimmer.

Apr 30, 2013 | Lutron Electronics Toggler Preset Dimmer,...

1 Answer

Lutron s-600 don't seem to function


That switch says on it that it is for fluorescent lights only. I don't know if you can use compact fluorescent bulbs on that system, perhaps verify if you can or not. The switch has electronics in it and may need that ground wire to get 120 volts to operate. If you have incondescent light bulbs return and get the correct dimmer.

Mar 16, 2013 | Lutron S-600-wh Skylark Incandescent...

1 Answer

New dimmer switch not working


Hi -

The Lutron D600P is a preset single pole dimmer. Wiring is pretty straight forward as show in this diagram. Recheck wiring and if OK, continue below.

If power is present on both wires (black / red wires), power is being passed through the switch to the lamp and the light should be on. If not, try replacing the lamp.

Minimum recommended connected load is 40 watts. This switch is ONLY for use with filament type lamps - such as traditional tungsten, halogen, etc. It is NOT to control speed of Fan Motors, nor dimming of CFL (compact fluorescent lamps) energy saving types or other ballast operated lamps such as High (or Low) Pressure Sodium, Metal Halide, Fluorescent, etc. as this would create a high heat condition and could cause a fire.

If you're still having trouble, you can contact Lutron Technical Support Center 1.800.523.9466 24 hrs / 7 days www.lutron.com

I hope this helps & good luck!

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1 Answer

How to do energy saver dimming ?


Most modern dimmers provide normal energy savings. They reduce the total amount of watts consumed on the circuit. Many years ago, dimmers only reduced the watts consumed as light - making up the difference as heat in the dimmer switch. A 100W light turned down to 1/2 wattage at a dimmer switch resulted in 50 watts of light at the bulb, but 50 watts of heat was created in the switch. That was zero energy savings. The newer electronic dimmers will still let 50 watts be used as light, but only a few watts as heat in the switch.

To maximized energy savings, use of new cold cathode technology lights such as CFL (compact fluorescent lamp), LED (Light Emitting Diode), etc. types are suggested. You can use these lamps on a dimmer to furrther reduce the amount of energy used - but only if the lamp indicates that it is dimmable.

If the lamp or fixture does not specifically state it can be used on a dimmer, don't. This includes powering a light through a dimmer that is set to maximum brightness. Use a standard non-dimming switch instead.

I hope this helps & good luck!

Apr 14, 2012 | Electrical Supplies

1 Answer

Using 3 way dimmer, lights don't appear to go to full light


Hi Gene,

When two 3-way switches are used to control a light - and you wish to install a dimmer, you replace only ONE of the switches. If you replace both switches with dimmers, and one dimmer is set to 50%, the light will only be able to get to 50% bright; regardless even if the other switch is set to 100%. The light can only get as bright as the current lowest dimmer position of either switch.

Most modern dimmers are solid state, and should be able to get full power to the lamps. Older dimmers aren't very efficient and work a little differently - but should still do a good job as far as brightness of the lamp. You can run into trouble trying to dim CFL (compact fluorescent lamps) if they are not labeled specifically for use with a dimmer. Even those that are labeled for use with a dimmer have a noticeably short range of dimming when compared to standard tungsten lamps, and tend to have an audible buzzing sound.

If this doesn't answer your question, please provide the wattage, type and number of lamps in the fixture. Your dimmer is rated for up to 600 watts, but may be less if it is in a switchbox with other dimmers or you have broken off portions of the heat shield as directed by the instructions.

Mar 17, 2012 | Lutron AY603P Ariadni 600W 3way Dimmer...

1 Answer

Hunt dimming fd


Ok - a couple of things, first - when a dimmer is set to minimum; zero to a barely perceptible level of light output is expected. Second, fluorescent lamps have a much shorter range of dimming that the standard incandescent lamps have. It is not unusual for a fluorescent lamp to remain off until the dimmer is at or above the half way point in the dimmer's range. Third, you can not dim a fluorescent lamp or fixture unless the lamp or fixture is specifically labeled as being "dimmable". Use of a dimmer to control brightness of fluorescent lamps and fixtures that do not clearly indicate they are designed for dimming or to control the speed of motors like those in "paddle fan & light fixtures" creates a dangerous fire hazard condition. Most CFL (compact fluorescent lamps) that readily replace the screw-in incandescent type lamps and are clearly labeled as dimmable, can be used with a standard dimmer. The traditional (non-CFL) fluorescent fixtures that have a internally mounted and hard wired internal ballast need a special dimmable ballast to operate.

Good luck!

Feb 02, 2012 | Philips Electrical Supplies

1 Answer

Can i use a Leviton slide dimmer no. 6631 with a holegen fixture


Incandescent and halogen appear the same to these switches. Basically, if the fixtures has a ballast or the lamp uses gas for illumination (as opposed to filament) it will require a special dimmer made expressly for that use or no dimmer is permitted. Such lamps would be fluorescent, compact fluorescent (aka CFL), high pressure sodium, mercury vapor, etc.

There are also some DIMABLE CFLs on the market. These can be used with ordinary dimmers and require no special wiring. Simply remove the old incandescent and replace with a dimaable CFL. Be sure to read the package for any limitations. Keep in mind, the CFL package must state it is dimable, as not all are. Dimable CFLs cost more than the non-dimable types.

Even though it was not asked, never use a dimmer to control the speed of a fan. That applies whether it is a paddle fan or a table fan plugged into an outlet that is controlled by a dimmer switch. There are variable speed motor controls made for this purpose.

I hope this helps & good luck!

Dec 25, 2011 | Leviton Electrical Supplies

1 Answer

I changed the light bulbs in the fixture it controls, now it does not work. What is wrong?


This switch is designed to dim incandescent lamps. It has nothing in its description about being used with CFL (compact fluorescent lamps) types. If you are attempting to dim standard CFL types, it will not work.

CFL's are available in both dim-able and standard types. As you may have guessed, only those marked as "dim-able" will work with a dimmer switch. Dim-able CFLs cost slightly more than standard CFLs but may be controlled by any switch. Dimmer switches may only control incandescent and other type lamps that specifically state they are compatible with dimmer switches.

If you are attempting to dim incandescent lamps, make sure that you are not trying to dim lamps with a total wattage greater than the dimmer can handle. Most dimmer switches are rated for 600 watts, if you have two dimmer switches under one wall plate, the wattage rating drops to about 500 watts. This de-rating is because of the heat the switches create. There are dimmer switches that can dim more than 600 watts, but the price skyrockets for a 1000 watt dimmer, and keeps climbing.

If your wattage is within the limits of the dimmer, check the bulbs. If they are ok, the dimmer may have failed and require replacement.

If you found my reply helpful, please rate it "4 thumbs up". Good luck & thanks!

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1 Answer

We installed the new fourescent bulbs in our can lighting...some work great..other flicker for no apparent reason...does it have to do with the settings?


You can not dim compact fluorescent lamps. The ballast for the fluorescent is built into the bottom of the lamp. IF the manufacture says that it is dimmable, then you would need a special interface (Lutorn FDBI) to make it work properly. It may work for a short while with out it, but will burn out the ballast or dimmer.

Oct 24, 2009 | Lutron S-600H-WH Slide Dimmer

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