Questions tagged [dimmer-switch]

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

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Minka Concept II Use With 3-Party Wall Dimmer

I have an older Minka Concept II 44" ceiling fan along with a newer one. The older one is the type that uses a standard screw-in light which currently has an LED bulb. The only label with a model ...
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20 views

Switch wiring - strange multimeter readings

I'm about to replace a dimmer switch in my house (UK - Single Phase) and every wire in the backbox is red, while I've tested and identified each (live in, live out, neutral in, neutral out, neutral to ...
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87 views

Eaton CHFN120A1CS breaker status LED shows 'uncommon issue' and stays lit all the time

At home I installed a CHFN120A1CS on a circuit with a single overhead LED shop lamp with a 0-10volt type dimmer switch controlling it (Leviton ip710), nothing else. Single run of 12-2 from the panel ...
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95 views

Replacing a single pole switch that has an extra backstab cable, with a dimmer switch

Im trying to change my light switch to a dimmer switch. However the wirings isnt what I had expected. There is an extra backstab wire aside from the hot and netural wire, there also no ground wire ...
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40 views

Dimmer switch on fan/light combo

I have 3 light/fan combos on the patio that look like the image. Each light/fan combo has a light and fan pull chain. They work exactly as you'd expect. All 3 light/fan combos power off a single light ...
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72 views

Is it possible to get my existing dimmer switch to dim lights further?

I have just replaced lower watt LED ceiling lights with new, higher wattage LED ones. I have discovered that I'm using a Lutron TG600P toggle with sliding dimmer that is meant for incandescent bulbs. ...
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1answer
18 views

Replacing ceiling fan/light combo with LED light only

Replacing an old ugly ceiling fan/light combo with LED light. Two issues. Three wires come out of the ceiling - Red, Black, & White. LED light has only Black and white. Tried capping red white ...
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29 views

Is phantom voltage controlling my Lonsonho Tuya Zigbee dimmer?

I just finished installing my new Zigbee dimmer switch that also has the ability to be controlled with a press button which is powered by the power line. The idea was to connect three such buttons in ...
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49 views

Plug In Dimmer on Circuit with Two Wall Dimmers Malfunctions

I have a 15 amp breaker that controls: Three bathroom incandescent vanity lights that have a wall dimmer, Four incandescent can lights on my lanai that are controlled by four-way switches, one of ...
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609 views

Electrician connected LED dimmer to halogen bulbs, worried about safety

An electrician replaced a rotary dimmer with another one that is rated for LED GU10 bulbs. The six existing halogen bulbs connected to the dimmer weren't replaced however. The electrician said that ...
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39 views

What to do with ground wire in a double gang dimmer switch

I am replacing 1 of the 2 dimmer switches in a double gang box. I'm replacing the right switch in the picture. The new dimmer switch (Lutron smart switch) has 3 wires, which includes the ground wire. ...
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Dimmed LEDs flickering: is it the bulbs' or the dimmer's fault?

I have this dimmer https://www.amazon.es/iolloi-interruptor-regulador-encendido-incandescente/dp/B0894KNN65 feeding two of these lightbulbs: https://www.efectoled.com/es/comprar-bombillas-led-e27-...
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Do LED lights require a special dimmer switch?

I have 9 canister lights in my kitchen that I've replaced with "replacement LEDs." The lights are on a 2-way switch, one of which is a dimmer. Things were good for about 2 years, but now ...
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1answer
23 views

Max watt on LED dimmer

I have 16 9w (144w total) LED on one switch. Is it ok to change that switch to a 150w max LED dimmer or should I go to a higher 300w LED dimmer?
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How should I wire island pendant fixtures with this setup

I am planning to install 2 kitchen island dimmable pendant lights. I am at a new construction, there were no light fixtures installed and so it only came prewired. Both the fixtures are controlled by ...
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Techniques to wrap the innards of electrical switches and outlets with electrical tape?

In the comments section of this question, MacGuyver's distant cousin MacGuffin recommended wrapping the innards of electrical switches and outlets with electrical tape to avoid any accidental shorts. ...
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499 views

Why are ground wires sometimes not insulated?

I recently replaced a single AC dimmer light switch that was one of two light switches in a larger box. The ground wire leading to the switch was raw copper without any insulation. After replacing ...
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44 views

No clue what happening with this dimmer connection

Do you know what is happening in this electric box? A red, white, and blue wire come in, and a red and white go to the receptacle. The red and white complete a circuit and the blue and white complete ...
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25 views

Light switch dimmer

I am replacing a old turn knob dimmer with a new dimmer. The new dimmer has 4 wires, a red, a white, a black and a green. My old one is wired up with two red wires and a black wire, in the junction ...
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50 views

Can I use this smart dimmer switch with these wires?

Kasa Smart Dimmer Switch http://imgur.com/a/HW0aEcf I have been able to hook it up so that the switch itself will turn on and connect with my phone, but I just can't get the light to turn on with this ...
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1answer
44 views

Help: Replacing a Leviton Dimmable switch with a Regular Switch

I'm a newbie when it comes to installing light switches. My staircase light would randomly turn on in the middle of the night and it has 3 dimmable Leviton light switches that control the staircase ...
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1answer
65 views

After replacing incandescent bulbs with LED bulbs, why am I getting flickering from some of them, but not all, on dimmer switches

I've replaced a bunch of light bulbs with LED bulbs (specifically, these: https://www.homedepot.com/p/EcoSmart-75-Watt-Equivalent-BR20-Dimmable-Energy-Star-LED-Light-Bulb-Bright-White-3-Pack-...
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51 views

I can't get this Smart Dimmer to work

GE Zigbee Smart Dimmer I can't get it to turn on I have tried 2 different ones and neither will turn on The only way we can get them to turn on is by putting both wires in the same hole, but then it ...
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Chandelier with 6 bulbs does not work on dimmer switch after bulb has been replaced

A halogen bulb blew and I replaced it with the dimmer switch on and all 6 bulbs work and can be dimmed.When I switch it off and then back on none of the bulbs light.If I take out the bulb I replaced ...
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38 views

Light switch outlet questions

I am trying to replace a old dimmer that stopped working and when I took off the light switch I could not back trace my work. The light switch it use to have was a dimmer. I am trying to connect ...
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65 views

Will a dimmable LED allow me to shine a light similar in intensity to a candleflame?

I've become rather attached to the dimmable lights in my home, but I'm thinking about upgrading with dimmable LED bulbs as the incandescent ones are becoming less available. I know that it will be a ...
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38 views

Does light fixture itself impact dimmer compatibility or the bulbs?

I have read numerous dimmer switch instructions say compatible with led lights and then also led bulbs saying dimmable. So my question is do only the bulb and switch need to be compatible or does the ...
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31 views

Gosund dimmer connects but light fixture not being powered

I installed a Gosund dimmer today and while the connections seem to be correct, the lights are not being powered on, so power to the fixture is not occurring. The dimmer turns on and connects to the ...
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1answer
47 views

Three way switch with dimmer control

First, disclaimer: Not an electrician. I'm doing a bit of home wiring, and wanted to make sure my setup for a 3 way switch w/ dimmers works. If anyone sees problems, has complaints, knows a more ...
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43 views

LED light dimming problem

I have problem with my recessed LED lights. I am using retrofit LED lights which is connected with can housing via TP24 connector. I have configured dimmer switch so that when I slide dimmer all the ...
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1answer
35 views

Replaced a dimmer switch but the dimmer doesn't work

I replaced a broken dimmer switch where the dimming happened by positioning the switch in various places to one that has a small lever next to the switch. I turned the power back on and the light ...
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2answers
52 views

Can a dimmer switch be used in this circuit?

An existing circuit in a bath (in TX) has the following diagram. Can the 3-way light switch be replaced by a dimmer switch (without changing the wiring)? Does the other 3-way switch need replacement ...
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1answer
105 views

Replacing Vintage Carlon Thyrocon Rotary Dimmer with Lutron Skylark S603-PGH Sliding Dimmer

Happy new year! I'm trying to replace an old rotary dimmer with a newer slider/switch and could really use your help. I searched and searched and couldn't really find someone with the same wiring ...
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46 views

LED lights turning on/flickering when lights on another switch are on

I know there are a number of other questions on similar topics, but I could use some more specific ideas on this case. I've recently wired up 3 sets of recessed 9W LED lights in my basement, each on a ...
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1answer
1k views

Gosund Smart Dimmer Switch Not Turning on Light

Just tried installing a Gosund Smart Dimmer Switch model number DS1. This is a single pole installation. First issue was that upon removing the old switch I had 4 wires, but 2 were twisted together ...
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124 views

faint LED glow when smart dimmer switch is off

I have a TP link HS220 dimmer switch that appears to be working correctly with the Phillips 8w LEDs I have. It goes on/off min and max dim with no issues. However, when I turn off the switch there is ...
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531 views

Wiring issue with 3-way switches and FEIT smart dimmer and T1/T2 lines cross-talk

I am trying to install a FEIT Smart Dimmer switch with a 3-way switch. It is an interesting installation where the 3-way switch (works as a single pole in this installation) has 120V line. One of the ...
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13 views

Remotely controllable LED dimmer?

Can I use a product like this Skylink MD-318 remote dimmer module to control LED lights like these LED downlights? I've contacted Skylink (the company that manufactures the dimmer module) and they ...
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32 views

Replacing old dimmer switch

I am trying to replace a dimmer switch. It appears to have been set up as a three way, but we can’t find a second switch that would control the light. It seems that all the wires coming out of the old ...
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42 views

3 Way switch with 4 wires to Dimmer with 3 wires

I am replacing a 3 way switch with 4 wires and a ground to a dimmer with 3 wires plus ground. Not sure which wires are what
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362 views

Buzzing sound from ceiling light fixture. Can the source of the problem be the dimmer?

I have a buzzing sound coming from in ceiling light fixtures. The fixtures are Liton LH1499IC (https://liton.com/ic-double-wall-housing-51083.html) These fixtures are connected to a dimmer switch ...
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4answers
353 views

Why can't I connect a dimmer in line with an outdoor security light?

I have an outdoor security floodlight (with motion sensor and photocell) that I'd like to be able to dim. The user manual says to not connect it to a dimmer, but doesn't explain why. What is the ...
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88 views

Dimmer with ungrounded box

I have a new Legrand dimmer switch. It has a connection for a ground. However the box it needs to go into appears not to be grounded. The dimmer is model LSCL453P. The load is an LED light about 30 ...
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How do I add a Leviton dimmer switch in this circuit?

I'm trying to add in a dimmer switch where I have two 3 way switches and one 4 way. I've included a schematic of what I have. How do I make this work? One difference is the 2 wire out of light to the ...
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40 views

Can my cabinet lights be operated with a dimmable switch?

The previous homeowner underwent a kitchen remodel and cabinet lighting was installed. I did a “Google” search for what I think is the model number listed on the back side of the unit but came up ...
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113 views

What would you do to quickly troubleshoot a j-type fixture that burns out bulbs every few days?

https://www.amazon.com/gp/product/B01DUPXJLI/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1 - bulb example Fixture is just a single overhead ceiling light with plenty of air flow and cover. I ...
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56 views

How should I go about connecting a switch's ground wire to this apparent grouping of ground wires?

We have an old dimmer switch in a two-switch box (next to a regular light bulb) (in California). The old dimmer switch's button no longer works right, so we wanted to replace it with a new one. We got ...
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191 views

Convert 2 gang no neutral light switch into 1 gang to power a smart-switch that requires neutral. Possible? UK

This is probably not possible and instead just highlights my basic lack of understanding, but thought it was worth asking! If it is possible I would get a qualified electrician to do it. I'd like to ...
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1answer
39 views

Why do led/incandescent combo dimmers specify lower led wattage?

When looking at combo dimmers most of them are rated for 600 when using incandescent, but only 150 when using leds. Surely the switch should be able to shed the same amount of heat regardless of what ...
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72 views

Replacing a dimmer with an ELV (electronic low voltage) dimmer

I can not figure what wires in my box should go to the yellow load. All wires except the double red to the black on the current switch are ringing hot (with current). Also the green ground was not ...

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