Questions tagged [dimmer-switch]

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

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64 views

Does this light switch wiring seem wrong?

I'm trying to replace this regular light switch with a dimmer. After I open the cover, there are 2 groups of wires from the wall. I don't know why the white wires are not used, but this is the ...
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1answer
30 views

Installing a dimmer

The switch has 2 hot wires red and pink, need help where to connect the cables.
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1answer
45 views

Switching a light fixture but two ground wires

I'm installing a dimmer light switch but when I opened up the box, I see two ground wires tired together and no pigtail. I'm wondering what I should do with that?
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45 views

Replaced rotary dimmers now lights not working

When I took off the old rotary dimmers, the hots were already spliced together with a black wire from each of the old switches. I kept the spliced hots together and connected the blacks on the new ...
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20 views

Dimmer switch cable: L1 L1 X --> X L N?

I have an old dimmer switch that has the following wiring: X, L1 and L2 I would like to replace it with an I lightwave dimmer switch (wiring sheet), which has X, L and N as connection points. Any ...
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30 views

Dimmer switch wiring

I'm slightly confused by the wiring of this old dimmer switch (UK based). The black/red part of the dimmer is connected to a light that works fine The blue part of the dimmer (with the white cable) ...
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1answer
107 views

Retrofit LED Recessed Lighting Power-on Delay

I'm replacing my old recessed lighting by retrofitting them with LEDs. I'm using a Lutron Diva DVCL-153P dimmer switch to control these recessed lights, but when set at low dim levels, flipping the ...
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1answer
36 views

2 dimmers in one box, one with ground capped

I have a box with 2 dimmers and one on/off switch. One dimmer (right dimmer in the picture) has the ground connected to the bare copper wire in the ground box. The left dimmer has the ground wire ...
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0answers
61 views

Can I replace two switches with a single dimmer?

In my flat I have two switches on the same wall socket that turn on two different lights. I would like to replace the two small switches with dimmers but given that I'm planning to use them together, ...
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25 views

Lutron Skylark SCL-153P dimmer wiring help

I have installed two Lutron Skylark SCL-153P dimmers. The one on the left works and other does not. For both dimmers, I have connected black to black, green to ground (copper wire), red and white to ...
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23 views

Celling fan work only when separate light switch is on

I replaced one of the light switches with a dimmer now ceiling fan only works when the light switch is switched on.
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1answer
30 views

Adding Dimmer to Fan Light

I'm looking to add a dimmer switch to the lights on my ceiling fan and have the fan part of it work by pulling the chain. The ceiling fan is pretty standard, 4-wire as shown below. Is the following an ...
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1answer
53 views

3 black wires, 2 white wires for wiring up a new switch?

I'm looking to install a Leviton Decora smart dimmer, 2nd gen to replace a switch in my master bedroom. I unscrewed my current switch from the wall and found the following set up - 3 black wires, 2 ...
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3answers
2k views

Can a 12 gauge wire be clamped onto a light switch using the side screw?

I was simply replacing a existing dimmer switch for my kitchen lights with a newly bought Feit electric smart 3 way dimmer switch. After studying, I have located where the dimmer switch should be ...
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1answer
138 views

Ceiling fan light powered by two 3-way switches, but also by fan's single pole switch. Is it safe to replace the 3-way switch with a smart dimmer?

I have a very weird setup for my living room, and at first I didn't actually realize what was happening until I started looking into replacing a 3-way switch with a 3-way smart dimmer (Leviton DZ6HD ...
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2answers
225 views

I'm trying to install a smart switch into a two-gang box. There are three neutral wires tied together, do I just add a fourth one from the switch?

I have a two-gang box where one of the switches is a single-pole switch, and the other one is a 3-way switch. I'm trying to replace the single-pole switch with a smart dimmer, the instructions don't ...
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0answers
38 views

Puzzled by breaker trip

Installing a Wemo (switch 1) to replace a 2-pole switch that controls a single outdoor light, which is on the same breaker as the other switch and dimmer in this box. I made connections as illustrated ...
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1answer
38 views

My Light switch and outlets in a different location and light switches no longer work after replacing a dimmer switch?

I replaced a dimmer switch bc it was buzzing at the switch. I got the new dimmer switch to work but I no longer have power to my outlets and other light switches in the same circuit. Some background ...
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1answer
106 views

Why is my light switch wired like this?

I am in the UK (240v system). I have a two gang light switch in my new house. Each switch controls a separate light, and it is the only switch which controls each light (one way switches). I want to ...
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1answer
27 views

Deta Single gang dimmer smart switch

Just planning on replacing my current single switches with a smart switch. Before calling a sparky, I would like to understand what would be done to not be overcharged. Is it a matter of connecting ...
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1answer
58 views

Lutron Fan/Light Dimmer switch Install

I am trying to install a Lutron Maestro Fan/Light dimmer, but I’m not sure what to do with the ground wire on the switch. The old fan/light dimmer switch does not have a ground wire. The switch box ...
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1answer
52 views

LED Dimmer turns the light off

I've had new LED downlights installed with dimmers by an electrician. They're mostly fine and they were the recommended dimmers for the LED lights from the shop that I purchased it from. The issue is ...
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1answer
25 views

Help with wiring smart dimmer where 4 switches control ceiling lights

I currently have 4 traditional switches (1 dimmer, 3 remote) control ceiling lights in a hallway, using  A - D to represent junction boxes as follows: A: 3 way switch A -> B: 3 wire romex B: 4 way ...
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1answer
122 views

how do I wire this dimmer switch? it expects two blacks but there's one white and one black [duplicate]

I have an existing standard light switch that controls a single two-plug outlet. I would like to replace the switch with a dimmer switch. The dimmer instructions expect two black wires and two white ...
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0answers
34 views

Problem with new dimmer. Starts to dim after 90 degrees. How to fix?

I installed a new dimmer (Nordlux SD600) in my hallway because the old one was broken. Here's the documentation, its not much there, i.e there seems to be no screws or anything to configure the dimmer....
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1answer
49 views

Does EGANT B328 dimmer switch support LED?

The appartment I bought some years ago allready has a dimmer switch on the wall. Problem is the ceiling light use halogen. They don't sell the same halogen bulbs anymore so I removed it and bought a ...
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1answer
41 views

How to wire occupancy sensor with dimmer

I am remodeling bathroom. The code now requires occupancy switch on all lights there but I also need to have a dimmer on main lights (LED). What is the simplest way to combine those two? I can't find ...
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1answer
103 views

"Wrong" wiring for three-way switch

I tried installing a smart dimmer switch and add-on into a two-way switch configuration, but after a few hours of messing around I think that the circuit isn't wired properly for a smart switch. Right ...
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2answers
57 views

New home owner need help installing dimmer switch [closed]

Trying to install a dimmer switch in our living room. There are 4 lights connected to two switches. We want to replace one of the switches with a dimmer. Turned off power and wired it up last night. ...
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1answer
1k views

What could be causing changes to a smart bulb to affect a regular bulb on the same circuit?

We have a Lutron Caseta dimmer switch which controls a set of four downlights. I tried replacing the bulbs with Hue downlights (knowing full well that these wouldn't play well with the dimmer, except ...
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0answers
25 views

3-way dimmer switch conundrum

I just one replaced a Leviton 3-way switch w a 3-way dimmer. Now, however, the light only goes in when both switches are "up". I experimented w swapping the 2 traveller wires at their ...
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25 views

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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0answers
21 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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3answers
633 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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1answer
190 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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3answers
74 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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4answers
261 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
53 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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0answers
46 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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1answer
61 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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1answer
618 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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1answer
99 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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26 views

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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3answers
138 views

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
28 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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25 views

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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4answers
2k views

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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2answers
1k 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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2answers
69 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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0answers
27 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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