Questions tagged [dimmer-switch]

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

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191 views

Replace 3-way Dimmer with Timer Switch

I have a 3 way setup, with a Dimmer Switch and a simple switch. I want to replace the Dimmer Switch with a timer switch. The dimmer switch I'm removing has 4 wires: Black (hot), Green (ground), and ...
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2answers
1k views

How can I use a Z-wave switch as a 3-way with no neutral?

I have two lights controlled by two light switches in a 3 way switch loop configuration with no neutral. I would like to replace either one (if I can get away with it) or both of the switches with a ...
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2answers
2k views

Can I safely disable a three way fan switch to use for providing ground to remote three way box?

I have a bit of a unique electrical situation that I am dealing with. My house was wired with several three way lighting boxes that included a switch for a fan which is not used. I am working on ...
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3answers
2k views

Can a ceiling fan's speed be controlled with a light dimmer switch

I purchased a ceiling fan a while back which is one of those fancy ones that is operated with a remote control. However, for some reason, the remote broke, and the fan is stuck on maximum speed, I can ...
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2answers
696 views

Extra wires on dual switch install

I installed a ceiling fan with a light fixture in place of a light fixture and ran an extra wire from the ceiling fan to the switch. Would now like to install a dual switch to control fan and light ...
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1answer
195 views

Dimmer not turn the LED on

I have install 2 Lutron 150W(LED) dimmer and connect it to 2 LED recessed light and 6 LED recessed light respectively, all LED light are 5W(6000K) with a driver of it own. There are few problems ...
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2answers
2k views

3 way dimmer in 4 way circuit

I have a Legrand (Pass & Seymour H703P) dimmer that I installed in a 4 way circuit. This dimmer has its common connected to the line so it's 1st in the circuit line and not in the middle or end. ...
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1answer
3k views

Can I protect a dimmer switch circuit with a GFCI outlet?

I'm installing some line-level-dimmable LED undercabinet lighting in my kitchen. I'd like to protect it with one of the existing GFCI outlets in the area. My sequence would be GFCI > dimmer switch > ...
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1answer
2k views

which wires to connect when installing a dimmer switch?

I have a new dimmer switch that to replace an old standard light switch. The old switch has 4 cables coming into it as in the picture. and the new one purchased from amazon is Lutron GL-600H-DK. It ...
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2answers
8k views

Adding a new dimmer switch to old wiring?

How do I wire a dimmer switch to replace my existing old switch? Dimmer has with 1 green wire and 2 black wires . My existing light switch has 1 black and 1 white.
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1answer
124 views

Is this dimmer switch wiring correct?

I live in a rented flat filled with dimmer switches. One day we knocked a rack of halogen lights connected to a dimmer and blew a fuse. I reset the fuse but the circuit with the rack of halogen lights ...
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3answers
7k views

Is it safe to mix LEDs and incandescents in a chandelier?

I've been having an issue for a while now where my chandelier light fixture installed with six Cree 60W LED replacement bulbs flickers when I raise my traditional dimmer to max brightness. As I ...
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1answer
488 views

Replacing light switch with dimmer switch… white wire?

On a three gang switch, I'm replacing a single pole light switch with an electronic dimmer and a second single pole light switch with a WeMo switch. The third switch is getting replaced with a ...
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1answer
2k views

Wiring a Z-Wave 3-way auxiliary with neutral from other switch? (w/ diagrams!)

I found my question difficult to phrase, so I mocked the wiring diagram up in Photoshop. I have a 3-way switch setup like so: I am going to upgrade this to a Z-Wave enabled pair of 3-way switches ...
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1answer
2k views

Dimmers don't turn on at low setting

I just had these new dimmable LED lights installed. When I turn them on at the lowest setting, they don't turn on at all. I have to bring it up and back down again to get it to the low setting. This ...
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1answer
71 views

Fan switch compatibility

How do I determine if I need to use a manufacturer's fan switch or if I can use an off-the-shelf fan switch? E.g. I would like to buy an Emerson Loft fan and Emerson Curva fan and control them with ...
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1answer
4k views

When I turn the light on/off on one circuit, it makes the light “blink” off/on on another circuit

I apologize for the long post, but I wanted to provide as much info as possible. Recently I started a DIY home electrical project to replace a lot of light fixtures, the light switches, and the ...
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1answer
968 views

How do I convert from 3-way switches to dimmers?

I'm hoping you can provide me with some guidance on where I'm going wrong with my wiring of my new dimmer switches that I'm using to replace a pair of three-way switches. I've gotten everything wired ...
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1answer
1k views

Dimmer switches & LED lights: Lights keep turning up to max and won't stay dim

I'm a tenant in an apartment and we're having strange lighting issues. We have a dimmable light switch panel in our lounge with 2 controls, controlling 4 LED spotlights each. The dimmers make a ...
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1answer
165 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
1k 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
602 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
48k 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
197 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
9k 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
678 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
1k 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
230 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
13k 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
503 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
1k 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
11k 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
593 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
189 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
69 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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3answers
979 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
68 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
805 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
3k 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
5k 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
2k 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
17k 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
13k 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
65k 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
12k 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
1k 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, ...
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1answer
2k 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
713 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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