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Questions tagged [dimmer-switch]

Planning, installing and troubleshooting circuits using electrical dimmer switches for controlling the brightness of lighting.

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1answer
162 views

Should I pigtail from the bundle of neutrals in order to get the needed neutral connection?

My new universal dimmer (legrand adorne) has no wires of its own. It requires a neutral. My neutral wires are bundled together and capped in the box. Should I pigtail from that bundle in order to ...
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3answers
788 views

Can I use a rheostat as a potentiometer?

Is it possible to safely use a rheostat as a potentiometer to control an incandescent ceiling light? I have replaced a ceiling fan with a light fixture and would like to use the existing rheostat as a ...
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0answers
416 views

Wiring for Dimmable Security (motion detector) Floods

I'd like my 2 sets of outdoor security lights to be dimmable (in all settings) from a single switch. The electrician said he ran one (always on) power line for the motion detectors and another line ...
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2answers
33k views

Why does my one-way switch have 4 wires?

My bedroom light is controlled by only one switch (as far as I'm aware of...), so I assumed my switch would only have 3 wires (current in, current out, ground). However I opened my switch and I saw 4 ...
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2answers
183 views

Function of a phase angle adjustment in a light dimmer

I'm setting up a light dimmer an have found a adjustable part for setting the "phase angle of light bulbs". That is a literal translation from German. You can see the adjuster in the picture. My ...
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4answers
6k views

Lights turn off when dimmer switch is at 100%

I have various dimmer switches around the house. Some of them have an issue that when the lights are at their brightest the lights switch off. When switching the lights on you have to then hold it ...
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1answer
564 views

Install one dimmer switch which is one of two regular switches

We're purchasing (5) dimmable LED's for the kitchen and I'm now researching the dimmable switches. The lights are controlled by two switches on opposite sides of the room. Either one can turn off or ...
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0answers
794 views

Controlling multiple banks of LED bulbs with one dimmer switch

Just had the contractor install some recessed LED lighting in some of the rooms of the house. Due to building codes we can't have one location with enough switches to control the lights as we have ...
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1answer
211 views

Poor LED dimming performance

I recently bought this LED dimmer to drive these LED bulbs on my recessed lights. The fixtures have a built in transformer that drops the voltage to 12v, but I'm bot sure if they are MLV or ELV ...
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1answer
10k views

How do wire this 2-gang dimmer switch?

I'm trying to fit a dimmer switch in my living room. I have two pendent lights controlled by a single wall socket with two switches one for each light. My property is a new build and in the UK. So ...
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1answer
382 views

Lutron Maestro CL Extreme Delay

I've had nothing but success with using Maestro dimmers on both LED and incandescent lighting for years, but recently picked up a new dimmer (MACL-153M-WH) and a pair of G7 Elko LEDs (30W total) and ...
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1answer
826 views

Dimmer switch gets very warm - almost hot

I recently had a Z-wave dimmer switch installed. It is working fine and controls the recessed lighting in my family room. The lights are six 65-watt BR40 bulbs. When the cover was off the switch (we ...
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1answer
10k views

Can I put dimmable LED bulbs in a ceiling fan fixture and wire it to a dimmer switch marked LED compatible?

Would there be any problems with putting dimmable LED bulbs into a ceiling fan fixture that holds three bulbs and wiring it to a dimmer switch marked LED compatible? The fan itself will be on just the ...
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1answer
519 views

Floodlight randomly, dimly lights even when lightswitch is off

This problem baffles me completely. In one of our bedrooms, we have two floodlights connected to a one-way Z-wave dimmer switch. Both floodlights are Cree BR30s. When the light switch is off, one ...
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2answers
171 views

Is this a compliant way to control three circuits with two switches?

I'm planning to replace two dimmer switches -- but I found the following clever wiring when opening up the junction box. Three circuits where the neutral lines are spliced together, one live line ...
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1answer
66 views

Can I replace this switch with a dimmer?

I recently moved into a new rental. It is older construction but was completely remodeled. I did some some older wiring in the basement but the functional wiring seems to be new and modern code/...
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2answers
848 views

Turn Lights On/Off Without Having to Hit 3 Switches in One Room

I just moved into a new place and I'm having an interesting lighting problem in one of my rooms. I've looked at a few things on the internet, but my lack of experience in this matter makes me feel ...
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1answer
66 views

Grouding on a incandescent 120 V dimmer

The light dimmer of my chandelier broke recently so I went buy a new one (incandescent 120 V 600W). The one that broke was fairly old (sticker on the dimmer mentions 1987). Since I'm pretty novice ...
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1answer
659 views

Install Dimmer Switch in Old House

My house is circa 1910 and I dont really know how old the wiring is in it. I am trying to swap a 3 way light switch with a 3 way dimmer (Lutron CL Dimmer). I killed the power and pulled the switch ...
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2answers
2k views

Repairing dimmer switch

I have an IKEA lamp with dimmer switch which took a knock and immediately started outputting full brightness. I've read a little about how dimmer switches work and that this is likely caused by the ...
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2answers
4k views

How can I control two ceiling fans and lights with one single pole switch?

I have two ceiling fans with two aftermarket light kits installed, all controlled from one single pole switch. So when switch is flipped, both fans and lights turn on or off at the same time. Only way ...
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0answers
1k views

Installing a dimmer to control multiple lights

I recently asked a question about installing a dimmer and got a great reply. Now I want to install another dimmer, but this one might be tricky. In our hallway there are three lights that are all ...
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2answers
2k views

Is my CL dimmer compatible with my light switch fixture?

Bought a Lutron CL dimmer after googling around and seeing how easy it is to install a dimmer, but when I got home and took a look at my light switch I'm not sure its compatible? The dimmer has 4 ...
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2answers
14k views

Why are my LED bulbs flashing?

I recently replaced all eight bulbs on my chandeleir with dimmable led light bulbs. They work fine when on, but at approximately half power (dimmer turned half way through), the bulbs start flashing (...
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2answers
9k views

Why do LED lights with a dimmer stay dim and won't go bright again?

I have a chandelier with five lamps. I brought an LED compatible dimmer and changed out the switch for the dimmer. I brought five dimable LED bulbs. The bulbs and dimmer worked for a little while, but ...
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2answers
3k views

How should I attach the grounding conductor for a replacement switch?

I'm attempting to replace an old Leviton light switch with a new Lutron dimmer switch that connects to our house's Wink system. The old switch had 3 black wires attached to the light switch and no ...
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6answers
50k views

What should I do to increase the dimming range of LED bulbs?

We started doing most of our homes in LED last year. I am a big dimmer fan and would pretty much put a dimmer on any light switch. One thing that I haven't gotten down is the dimming range of the ...
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1answer
8k views

Is it OK to leave a dimmer switch on low constantly (LED light)

I have a new LED ceiling light in our hall, and installed a compatible dimmer switch (both Leviton). The dimmer has a slider plus a switch, and when the switch is on, but the slider is all the way ...
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1answer
959 views

Replace “powered” dimmer switch for old (1950s) house

We have an old dimmer switch, single pole, the type with an indicator light internally. It has two black wires, and the green wire is cut off. The plastic box it's connected to has only two wires, ...
2
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1answer
1k views

Why won't my Levitron Z-Wave dimmer switch turn the lights off?

Recently purchased and installed a Z-Wave Dimmer switch which seemed to be an easy installation. However, the only way I can get the light to turn off is to enable the air gap on the switch. If the ...
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2answers
615 views

Why does one of two lights stay on when they share a neutral?

I have one source of power (1 hot wire) for 2 loads (living room lights and breakfast nook lights) I am replacing the dimmers with Insteon dimmers. The previous switches didn't use the neutrals, but ...
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1answer
2k views

Can a light with a built in motion sensor, be used with dimmer switch?

My front lights are bright and have built in motion sensors. I would like the capability to dim these lights. So my question is, can I use a dimmer switch on these lights (with built in motion ...
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8answers
8k views

Can I safely run 595 watts of lights with a 600 watt dimmer switch?

I have 7 85-watt lights (a total of 595 watts) that I want to control using a 600-watt dimmer switch. Is that too close to be safe? What if I remove one of the lights?
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1answer
718 views

How can I wire an Insteon switch in this situation?

I've been installing Insteon switches around the house, and I've run into a bit of an issue. In our bedroom, we have a switch that controls the fan lights and recessed lights as well as single ...
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1answer
1k views

Replace a dimmer switch with a regular light switch

I removed a dimmer switch controlling 5 canister lights in my kitchen, and saw three black wires coming out of the wall box. Two of the black wires were connected to one of two black wires on the ...
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2answers
1k views

What could be causing there to be no power at my ceiling fixture?

I installed a replacement chandelier, heard a pop which tripped breaker, and reset the breaker, but the chandelier would not work. That breaker is shared by can lighting (which has its own dimmer ...
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2answers
394 views

Downgrading from a dimmer to a switch

I've seen posts about going from a switch to a dimmer, but not the other way around. I originally thought I could read those and do the opposite, but it seems that there are many ways houses can be ...
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2answers
719 views

What type of bulbs dim to lowest setting?

I've got a Lutron "Plug-in lamp dimmer", Model PD-3PCL-WH, and tried several LED bulbs with it. They all said "fully dimmable" on the packaging. It works, however seems like at most it dims to about ...
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0answers
73 views

Newly installed 4" halo can lights have a slight odor when on

I just installed 6 new 4" halo can lights. When they are on I can smell a slight odor coming from them in the attic. Is this normal? I felt the light housing in the attic and is just warm. I also felt ...
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1answer
3k views

Which wires go where in this non-standard GET dimmer switch?

I am replacing some touch sensitive dimmers - where the touch doesn't work half the time - with another unit made my GET, I think. The manufacturer has decided on making up their own naming and ...
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3answers
3k views

Why would changing ceiling fan speed cause an AFCI breaker to trip?

I recently installed 2 ceiling fans with Lutron combination light and fan dimmer switches. On both circuits, if more than a half second or so is taken when selecting the fan speed (that is, a delay ...
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1answer
98 views

Why would a dimmer start buzzing when some lights are broken?

I have a dimmer that controls a 3-light fixture (filled with 35W halogen incandescents). When the second light went dark (I procrastinated with replacing the first) the last one starts flickering, ...
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1answer
445 views

What can I do if I need another gang in a junction box but there isn't space in the wall?

I have a dual gang junction box installed in a space between 2 studs in the wall. I want to add swap the box for a 3-gang box to add another switch for a ceiling fan, however when I took the cover ...
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6answers
55k views

How do I stop a dimmer switch from humming?

I installed a dimmer switch in my washroom and it's making a buzzing noise. The more I increase resistance/rotate the dimmer clockwise, the louder it gets. The humming seems to be coming from the ...
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1answer
516 views

Can I replace Halogen fixtures with these LED fixtures?

I just moved into a new apartment, in the bathroom there are 6 lights in the ceiling and a dimmable switch next to the door. I want to change the bulbs to LEDs, but these damn halogen bulbs are ...
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1answer
80k views

How do I wire up a 4-wire dimmer switch when I only have two 2 wires from the wall?

I'm replacing (yet again) my bathroom dimmer switch. The old switch had 3 wires: 2 black and one green. The two black wires were attached to the wires coming out of the wall and the green wire was ...
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1answer
231 views

Are these three-way switches?

I have 2 bedrooms and I want to replace the light switch for a dimmer. I though it would an easy job for a beginner like me but after I opened the first switch, I realized there was a 3 wires (I was ...
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4answers
698 views

Dimmer switch issue

I have two ceiling lights in my lounge which are controlled together by the same switch. I currently have a dimmer switch and a dimmable LED bulb in each fitting. They work fine although when i switch ...
2
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2answers
18k views

Why is there a one second delay before the lights turn on with this new dimmer switch?

I just installed a new dimmer switch (Lutron Skylark (SCL-153PH-WH)) in my dining room. The previous switch was a single pole dimmer switch that would turn on the lights on immediately when switched ...
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3answers
1k views

4 way switch with only two switches

I just bought a 3-way dimmer switch for the kitchen. There are only two switches that switch the overhead lights. I went to take off one of them to install the dimmer and the switch had 5 wires (2 ...