Questions tagged [multiway-switch]

Use this tag for any time lights, fans, or devices are controlled from more than one wall switch location.

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8k views

Why doesn't my 3-way light circuit work in some configurations?

I updated some wiring in my garage. I added two 3 way switches. If there is a switch in the down position when the lights are off, I cannot flip my other switch to turn the lights on and vice versa. ...
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2answers
97 views

Trying to figure out this wiring

My girlfriend has a rather unusual wiring setup in her home with a two way switch at one end of the room, and a three way switch at the other end. When the two-way switch is in the down position, the ...
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2answers
3k views

Installing a 4 wire timer on a 3 way/3 wire outlet

I want to control an outside light with an inside timer switch. This is on a 3 way switch arrangement. The new timer has 4 wires(B/W/R and Green) and the feed only has 3(B/W/R). The diagram shows the ...
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3answers
38k views

Quickest way to identify line wire and load wire in a multiway switch

I am upgrading a lot of light switches in my home to Z-Wave smart switches. It is easy when it is a simple switch, but a 3-way, 4-way or n-way switch circuit is trickier. When doing so, I need to know ...
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1answer
94 views

Adding back removed 3-way switch from 4-way setup

I made a terrible mistake. I removed a 3-way switch from a 4 way switch setup without labeling the existing wires. Now the light the switch was attached to doesn't come on. I was going to put a blank ...
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1answer
469 views

Chandelier installation and switch wiring [closed]

Chandelier installed, New Duplex switch--Done!5 --(ignore switch on left for outdoor light)I have four recessed ceiling lights controlled by two three-way switches in my kitchen. I want to add a ...
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3answers
2k views

Indicator Lamp (LED) on 3-Way Switch

So I bought this home a few months ago and I removed all the outlets and switches to replace room by room. In the breakfast room just inside from the garage, there was a switch plate with a small ...
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2answers
2k views

Looking for triple 3-way switch [closed]

Where can I find a triple, 3-way switch (toggle style) were all of the switches are 3-way. All triple switches I find only have one 3-way, the other two switches are single pole. Here’s why I need a ...
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3answers
1k views

Replaced light fixture, now 3 way switch doesn’t work

I replaced an old lighting fixture with a remodel can and led trim, but in doing so the three way switches no longer work. I didn’t touch either switch’s wiring, but now the switch with the circuit ...
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3answers
3k 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 ...
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0answers
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Installing Smart Switches

I have been adding Z-Wave Light Switch light switches to my house bit by bit. For the most part, they haven't given me too much trouble. Now I have come across a light that can be controlled in 3 ...
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2answers
3k views

Replacing existing and working 3way with smart switch

I m trying to replace my old 3way switch with new one, Zooz Z-Wave Plus On Off Wall Switch ZEN21 (White) VER. 2.0 Here is how my wiring looks, the color of the wires is wrong(my guess as traveller ...
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2answers
5k views

3-way switch loop wired with two 14-2 and one 14-3

I'm replacing a single 2-way ceiling light with recessed lighting, and discovered what I think is a switch loop when I pulled the ceiling light out. The confusing part (to me) is that the ceiling ...
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1answer
52 views

Wiring a 4-way switch

I just finished resolving an issue I had with a 4-way switch setup but I have a question. I know which end the power starts at but when I get to the 4-way switch, I don't know which bundle is incoming ...
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1answer
1k views

Installing a light+fan combo switch - red, black, white wires

I've started installing a fan that has me stumped. I'm not great at electrical, but have installed several fans. This is the first true combo switch I've tried though (the others being a remote-combo ...
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1answer
97 views

Thoughts on this 3-way wiring job

Greetings from Australia I'm in the process of putting Z-wave nano dimmers behind my 240v light switches and up to wiring an interesting 3-way switch config backing 3x LED drivers. This is what I ...
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1answer
150 views

Where to locate light switches?

I live in a 1920s row home. It is 17' x 35'. We are planning on essentially rewiring the whole house since there are limited outlets and all the switches need to be replaced and the ceiling lights ...
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2answers
124 views

3-way switches don't have power

My house is 100 years old. Two bulbs (one on the first and one on the second floor) are controlled by two switches (one on the first floor and one on the second). I checked the both switches. They ...
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1answer
273 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 ...
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1answer
4k views

How do I wire two separate 3-way circuits from the same power source?

I have a switch box that has two 3 ways to control two different sets of lights 1 set in the hallway and 1 set in the living room and both of these sets have their own 3 way switch located in ...
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1answer
822 views

Remove switch from three-way series circuit

I've got a three-way switch installed in series (I believe that's the correct term - it is not a proper three-way switch, both switches have to be in the on position for the lights to be on.) I had an ...
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1answer
160 views

Need help with 3-way wiring (diagram included)

Could really use some help. I'm putting in some GE Z-Wave plus switches in my new house and have come across my first 3-way switch. I think the far left Romex in box #1 is the cable that goes between ...
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1answer
862 views

One light switch powers two separate light switches

At the top of my stairs leading to my basement, I have one light switch (Top Switch) that powers two separate light switches at the bottom of my stairs. At the bottom of my stairs, the left light ...
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1answer
3k views

How can I remove 3-way switch to leave single pole switch on the lighting circuit?

I would like to install a Leviton Decora Smart DW6HD in a 3-way scenario. One switch is a simple on/off while the switch being replaced is a dimming switch but do not think that matters. I tried ...
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3answers
1k views

Issue replacing a regular 3 way switch with smart one that requires neutral

This is what my downstairs 3 way switch looks like: The new smart switch requires a neutral, but it appears that the white wire is the hot wire, I checked with a non-touch voltage tester and it is, ...
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1answer
53 views

Short while trying to measure line voltage on a 3 way switch

So i am trying to change my regular 3 way switches to smart ones and before i started taking them out, I took a multi meter to find hot wires and label them. So with the upstairs 3 way switch ON ( ...
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4answers
5k views

Can I “flip” a light switch (top/bottom position)

I have a Decora 3 way switch, on the metal part it clearly label one side as the top. It is installed correctly right now. So right now, if both switches are on the "off" (down) position, the light ...
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5answers
6k 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 ...
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2answers
56 views

How to add a lamp on the other side of the switch series?

I have a fairly standard setup here. A lamp controlled by 3 switches, the middle of which is a 4-way switch (but I think that's fairly irrelevant). I would like to add an extra lamp, controlled by the ...
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4answers
7k views

Does true wireless 3-way switch exist?

I currently have a 3-way switch setup which is made up of two 3-way switches to control a hallway light. Due to oversight, an additional (4-way) light switch is much desired in the middle of the ...
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4answers
4k views

Why would both switches on a 3-way switch fail simultaneously?

My kitchen has six canister lights controlled by a pair of 3-way switches. Yesterday, I flipped one of the switches on and nothing happened. I tried the other with the same result. When I check ...
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2answers
2k views

Replaced Outlet and Switch, Now Light Won't Turn Off

I had a switched duplex receptacle controlled by two 3-way switches. An electrician installed a ceiling light using 14/3 wire running from the outlet. Everything was working - the 3-way switches ...
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2answers
3k views

Can I install a photocell on a 3-way switched circuit?

I have a set of front exterior lights on my house which are controlled by two 3-way switches, one in the garage and one in the front entry way. I would like to install a photocell so that I can leave ...
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1answer
3k views

Timer with a Dimmer Switch

I have exterior lights on a timer switch. The lights are too bright. Can I add a dimmer switch to adjust the brightness? And change the timer switch to a three-way switch. Will that work?
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1answer
313 views

Need help figuring out X11 3-way switch connections (6 wires from one box)

So I recently bought a house, it was built in the 80s and the previous owner had installed X10 switches (before X10 was a thing, when it was called DHC or Decora Home Controls). Anyway, the garage has ...
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1answer
535 views

How do I diagnose a defective switch in a 4-way setup?

The split-level entryway in my house has a light that is controlled by three switches. Let's call them A, B, and C. A is a 3-way, B is a 4-way, and C is a 3-way turn-knob dimmer. As long as switch A ...
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2answers
6k views

How can I test a three-way switch to determine if it's working?

I have a light fixture in my house that suddenly stopped working. I tried replacing the lightbulb and still non luck so I decided to try and see if it was the three way light switch itself using a ...
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1answer
648 views

Two light switches into one light

I am trying to wire a separate light into a light switch by connecting the wires into the switch, along with the ones already in there connected to our main light fixture. The problem is we have two ...
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1answer
629 views

3 way switch mystery

Hoping someone can help me figure out whatever it was was they did. I recently rewired a three way switch be eliminating one switch altogether and using the other as a typical switch. Everything ...
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1answer
2k views

How do I separate two 3-way switches to control lights separately?

I have a porch light and three outside lights, along the garage, controlled by two three-way switches. One switch is inside by the front door and I would like this one to control the front porch ...
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2answers
7k views

How does a three-way light switch work?

A three-way light switch allows the light to be controlled from two locations. How does this work?

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