Questions tagged [dimmer-switch]

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

77 questions with no upvoted or accepted answers
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130 views

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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76 views

How to wire ceiling fan/light to two switches

I have a black/white/copper cable coming from my box along with a single white cable. I have installed my fan with the receiver for the remote and it is working as long as the previously existing wall ...
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793 views

3-Way Switch with Dimmer - Humming?

We recently upgraded our dining room light fixture, which now has 8 light bulb sockets. In turn, the wife wanted to add a dimmer to the circuit to control the lighting. The light is control by a 3-way ...
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1k views

3-Way Switch won't turn on lights if dimmer is set to low

I just added 5 dimmable recessed lights to my living room. I'm certain it's powered correctly. Incoming power hits the 3-way dimmer switch. Both traveler wires head to the other 3 way switch (non-...
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1answer
3k views

Installing WeMo Wi-Fi Dimmer Switch - Lights not turning on

I have attempted to install my WeMo switch; however, it does not seem to want to work. Before I contact Belkin or my superintendent, I wanted to make sure that it is WeMo that is broken, and not my ...
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1k views

How to connect two dimmers to control two sets of lights independently

I have just moved to Germany, and have a room with a double-gang system. The lower is a rotary dimmer which controls the lights in the kitchen, and the upper is a double rocker switch that simply ...
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38 views

The 12.2w dimmable LED bulbs in living room trio wont work after they first turn on, what changes during that first flick?

Installed a set of 75w equivalent (12.2w) dimmable LED bulbs in my living room to replace a trio of 60w equivalent (8.8w) LEDs that were flickering when i dimmed them. The new bulbs seemed to work ...
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63 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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1answer
59 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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37 views

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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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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167 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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37 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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45 views

New dimmer switch is not operating new led panels

I bought 4 new led panel lights for my drop ceiling and installed Saturday. I also purchased a 0-10 voltage dimmer switch. Yes the lights are dimmable and the switch is for low voltage. I can turn the ...
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0answers
258 views

Wiring a 3-way dimmer/fan control switch with two 14-3 cables in the switch box

I have a 3 way dimmer/fan control switch that I need to install in a box with two existing 14-3 wires. I want the other 3 way switch to control the light only. In the box, I have a 14-3 (on the left ...
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70 views

LEDs on Dimmer switch turn off from another switch

I’ve just installed LED down lights in bathroom and hallway. The light in the bathroom is a single LED and turns on/off correctly. There are 4 LED lights in the hall connected to a Trailing Edge ...
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2k views

Lutron Fan & Light dimmer switch wiring

I have a hunter Fan/Light I am installing. I purchased the pictured Lutron switch to control the fan/light. My power source comes into the switch box and is wired as follows: Power source (Black) ...
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92 views

Needing help replacing a regular switch to a ceiling fan with a dimmer switch

I'm trying to install a Leviton #6674 slide dimmer with switch replacing a standard switch. After I pulled the switch plate off I found that there is 1 black, 1 white and 1 red to the old switch as in ...
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1k views

Dimmer switch only dims one of two lights?

I have two ceiling lights in my living room controlled by a single switch. I wanted to install a dimmer switch to control/dim both of them. I installed the switch but the dimmer only dims one of the ...
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106 views

3-way to smart 2-way switch, result is hardwired either on or off

At the top and bottom of some stairs are two connected light switches (a 3-way switch). The top switch has: bare copper ground unused white neutral (in back of box; two wires in a wire nut) 2x ...
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0answers
575 views

Why is my kitchen LED lighting flickering

My kitchen light is blinking, is there a way to find out what is causing it and how do I fix it? Could the problem be with the dimmer? See below images of LED array, LED driver and dimmer switch, and ...
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179 views

3-Way dimmer switch, dimming both locations?

So I have two 3-Way dimmer switches. I am able to switching the lights on or off from each location, but I can only dim from one of the switches. Did I do something wrong, or is it only possible to ...
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318 views

Lights flickering, strange wiring setup

I have a Lutron DV-600P dimmer (single pole, controlling a chandelier with 4x 40W incandescent light bulbs). They flicker constantly. The bulbs and dimmer are not defective (tested replacements). ...
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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
537 views

GE dimmer works with 3 LED lights, somewhat with 4 and not at all with 5

I've got a brand new single pole GE 14294 Z-Wave Plus dimmer. Before I try to connect it to z-wave, I wanted to make sure it was working. I have five LED lights (4W, 65mA, BR20 flood) lights in ...
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2answers
6k views

Why are my dimmer switches malfunctioning?

I have two dimmer switches that have started malfunctioning. They are in the same box with two other standard switches. Each controls a set of three small flood lights. There is no other way to ...
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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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21 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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31 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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0answers
33 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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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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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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27 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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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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4answers
374 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
62 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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47 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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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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27 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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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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39 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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57 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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43 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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81 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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57 views

One LED bulb in chandelier turns off after two seconds

I have a chandelier with 5 bulbs that is hooked to a dimmer. We switched the bulbs out to LED and when we turn on the light, after a couple seconds, one of the bulbs will turn off. It's not always the ...
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25 views

Dimmer Switch Not Switching Sometimes

So I have a 2 gang box (old, metal) that has 2 new 3-way LED dimmers (the style with the paddle switch). The dimmers together are a very tight fit in the box, but they did fit mostly nicely after I ...
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27 views

want to replace my old 3 way light switch

I bought slide dimmer FEIT and want to replace my old stairs basement light switch, however I am not getting how the current wiring is done I am attaching the current diagram ( I am bad in diagrams ) ...
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250 views

Dimming led ceiling fan with remote and dual switch wiring

I currently have a similar setup for my Stile Anderson 22 in. LED Indoor/Outdoor Brushed Nickel Ceiling Fan with Remote Control. Black wire controls the fan, while the blue controls the light kit on ...