Questions tagged [dimmer-switch]

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

12
votes
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 ...
11
votes
3answers
2k views

Can someone explain how this makes sense electrically?

The wiring in my house is... odd. Nearly every pair of outlets has one of the outlets connected to a light switch. Sometimes that switch is quite far from the outlet even when there are other closer ...
9
votes
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?
8
votes
6answers
56k 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 ...
7
votes
2answers
1k views

Changing Out a “Vintage” Dimmer Switch

First off ---- I am by no means an electrician. That said, I have a dimmer switch that needs to go..and be replaced by a new one. However, upon searching the internet and reading the instructions ...
6
votes
3answers
28k views

Can I dim LED lights when there are two different switches for the same fixture?

I would like to place dimmers in two different rooms that are sometimes a bit over lit. Is that possible when both areas have two switches for the recessed lighting? Do I need to replace both switches ...
5
votes
4answers
44k views

Why are my some of my LED lights flickering?

Something is causing some of my LED lights to flicker in three locations. Here are two examples: https://www.youtube.com/watch?v=4J-g2z_YtYM https://www.youtube.com/watch?v=KlbPdvkZ-BU There are a ...
5
votes
1answer
234 views

Is it okay for an electrical switch to get warm?

I installed a FEIT Electric dimmer switch on a circuit that controls 2 overhead lights. I noticed that, even when not using the dimmer, the toggle portion of the switch is warm to the touch. Is this ...
4
votes
5answers
5k views

Incorrect voltage at light sockets

Light bulbs on our kitchen lighting circuit need frequent replacing (lasting only a few months.) All other circuits in the house behave normally. There are three switch legs on this circuit: 6 ...
4
votes
2answers
2k views

How can I wire 3 Lutron Caseta dimmer switches in bathroom?

I went to install 3 caseta luton dimmer switches in my bathroom, and found that I don’t understand the existing wiring which has a bank of 4 switches. There are two dimmers and two on/off switches. ...
4
votes
1answer
2k views

Dimmer switches have no ground wire

I went to replace two kitchen dimmer switches with new toggle dimmers (the old dimmers work, this is only cosmetic). When I removed the face plate, I found the existing switches did not have a ground ...
4
votes
2answers
3k views

Dimmer switch not turning on light until at 50%?

I recently had a professional electrician install a ceiling fan with a light fixture. The fan and light are controlled from a combo switch with two knobs - one is a dimmer switch for the light, and ...
4
votes
1answer
7k views

Could I safely use a dimmer switch on an air filter fan?

I bought a small HEPA air filter fan that was advertised as being a quiet model. But it's not quiet enough for me. I bought another "quiet" fan, but the new one is also too loud for my liking. Could ...
4
votes
3answers
1k views

Remove a light switch to an outlet - knob and tube

I have an outlet with a light switch that currently controls it. What I would like to do is remove the switch so the outlet is always hot. I considered just removing the switch and connecting the ...
3
votes
4answers
128 views

Why does my LED light flicker when turning it on using a dimmer switch?

I replaced a flushmont light fixure with a new dimmable LED Flushmount. I also replaced the old switch (see images below) with a dimmer switch. When I turn the LED on there is a flicker while it is ...
3
votes
2answers
526 views

3 way switch issue

I am trying to figure out how to install a 3-way switch. Unfortunately, I did not took any pictures of the previous 3-way switch installment, I thought this would be easy but after I bought the new ...
3
votes
1answer
132 views

Does it matter which wire goes where on single pole dimmer?

I’m updating the switches throughout my house. I have an old rotary style single-pole dimmer controlling the just-as-old chandelier in my dining room. This dimmer shares a double-gang box with a 3-way ...
3
votes
3answers
2k views

Two lights on a 3-Way Circuit with Separate Dimmers

The Background: I have one room that's both Kitchen and Dining. There are two lights, one for the dining room table, and the other is for the stove / sink area. What I'd like to do is: Be able to ...
3
votes
1answer
902 views

Dimmer switch is buzzing at one location but not at another

I installed a dimmer switch in my bedroom and got buzzing from the switch and from the incandescent light/fan on the ceiling that it was controlling. I took that same dimmer switch and installed it ...
3
votes
1answer
829 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 ...
3
votes
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 (...
3
votes
3answers
2k views

When installing a three way dimmer switch, does it matter which switch is the dimmer?

My grandmother called me the other day to troubleshoot from half way accross the country. She installed a three way dimmer switch in her dinning room at the location most used. It turns the light on ...
3
votes
1answer
385 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 ...
3
votes
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 ...
3
votes
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 ...
3
votes
1answer
2k views

Bathroom in-wall exhaust fan with dimmer?

In searching this SE, I see many questions discussing traditional ceiling fans and dimmer switches. This question revolves around bathroom in-wall exhaust fans and dimmer switches. Is it safe to ...
3
votes
2answers
842 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 ...
2
votes
2answers
421 views

Faulty dimmer lights / switch

My patio lights are on a dimmer switch. Recently when I press the switch the lights go on and then switch off immediately and stay off. I can press the switch on and off several times and nothing ...
2
votes
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 ...
2
votes
1answer
480 views

Help with 2 Dimmer Switches and bad wiring

Two dimmers in one "box", each going to a separate room. One set of lights started to flicker, so I figured I needed to replace the switch. I've done dimmers before. But when I opened the box, whoever ...
2
votes
2answers
61 views

5 Wires in Light Switch

I have 5 wires in the back of the light switch. It looks like there are 2 ground wires (copper, no coating) one from the breaker and one to the light. They go into different holes and then are coiled ...
2
votes
1answer
3k views

Replace Dimmer Switch with normal switch

I had a dimmer switch setup in my dining room. The dimmer switch stopped working and I want to replace it with a normal switch (3 screws which are hot, neutral, ground). In the picture below, there ...
2
votes
2answers
3k views

Dimmer switch shorted/fried during installation, is it still safe to use?

relative newbie here. I was upgrading a light fixture and at the same time installing a dimmer switch. I accidentally purchased a 3-way switch instead of the required 2-way switch and my "helper" ...
2
votes
1answer
1k views

Half-hot outlet connected to dimmer switch

My home has a half-hot outlet connected to a dimmer switch. I have two questions about it. First, is this a code violation? Second, What's the easiest way to either change to a standard switch or ...
2
votes
2answers
34k 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 ...
2
votes
2answers
722 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 ...
2
votes
2answers
195 views

Can someone explain this wiring configuration to me?

See my previous question for more detail on my household's bizarre wiring. Three of my bedrooms have dimmer switches connected to outlets and ceiling fans, which is electrically unsafe and just ...
2
votes
1answer
182 views

Safe to mix wire gauges when installing dimmer switch?

I've purchased a Lutron dimmer switch (DVWCL-153PH-WH) to install for ceiling mounted LED lighting. The wires for the current switch are 12 gauge with a 20A circuit breaker while the dimmer switch ...
2
votes
2answers
7k views

Dimmer switch remains powered with switch off!

I replaced a single pole switch with a Lutron Maestro dimmer. However, the line remains "hot" when dimmer turned off. Have verified that the hot wire in box is wired to bottom lug of dimmer. I ...
2
votes
2answers
6k views

Why would my dimmer switch only dim lights about halfway?

I have a 3-way Lutron dimmer switch installed at the end of a 4-way circuit in my home (there are three switches controlling the lights to our 1st floor staircase, 1 downstairs and 2 upstairs). I don'...
2
votes
1answer
154 views

Did I wire this dimmer switch correctly?

We just bought a house built in '74 and all the lights were on dimmers except for one in the hall by the bedrooms. I wanted to to put a dimmer in so my daughter can use it as a faux night light if she ...
2
votes
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 ...
2
votes
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 ...
2
votes
2answers
832 views

What to do with dimmer ground wire?

I am replacing an old dimmer switch with no ground wire with a dimmer switch that has a ground wire. The metal box in my wall is grounded, but there is no ground screw or anywhere else to attach the ...
2
votes
1answer
1k views

Electrical: Wiring a dimmer switch in a circuit with fixture, outlet, another switch powering 2 other fixtures

I have a 3 gang box, and the following is all on one circuit. Power is coming from the breaker box into a grounded outlet receptacle. Outlet receptacle continues along to two switched devices: 1 ...
2
votes
1answer
4k views

How do I/can I install a dimmer without a ground?

Full disclosure: I know very little about electrical work and was hoping for an easy fix. I have been getting a buzzing from my dimmer every time the dim feature is used, and I read that a low ...
2
votes
1answer
92 views

how should i wire up this 2-way z-wave switch?

I want to replace the 2-way switch on the left with a z-wave dimmer switch. Currently this box has a 2-way Dimmer on the left, and a 3-way switch on the right. As noted, all of the neutrals(marked W ...
2
votes
2answers
2k views

Replacing 3-way dimmer switch with 3-way switch

I've recently installed smart (ZigBee) LED bulbs in my kitchen. These lights are on a dimmer switch, and even when I have the dimmer all the way up, the bulbs flicker when their internal dimming is ...
2
votes
1answer
1k 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 ...
2
votes
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 ...