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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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2 answers
5k views

Smart switch wiring with no neutral

Long time reader, first time poster. Working on updates for our new house and I bought a few lutron caseta switches the other day to wire up in our front entryway. I went with the PD-6ans which ...
1 vote
4 answers
2k views

Indicator with two-way switch

We have a two way switch for an exhaust fan. The fan is out of sight from the switches. So, the problem we face is we have no clue if the fan is on or off looking at the switch. I tried to see if ...
0 votes
0 answers
33 views

Strange lamp behaviour

I have an exterior lamp that is controlled by a standard switch and a 'timed-relay' (I push a button and light stays on for 3 minutes), I think those two are wired in parallel as if the lamp is on and ...
0 votes
1 answer
2k views

How to disable led light inside my rocker light switch

Ive been looking for an answer to my question and this is the first discussion that I was allowed to even join. I have a recessed lighting that operates with 3 switches. 2 of them turn the lights on ...
0 votes
1 answer
442 views

Weird 3 Way Chandelier Stopped Working

I have a 3 way switch connected to a chandelier which is somehow not getting power. All the light bulbs work, but none switch on. I know it's getting power because an electronic timer connected on ...
0 votes
1 answer
412 views

Strange Light Switch Wiring Question

So I am trying to replace an old light switch that has 3 actual switches on it. The top and bottom switch control normal 2-way switches that control one fixture. The middle one is a 3-way switch ...
2 votes
2 answers
5k views

4-way switch - common wires are not normal

I am not an electrician and I have read all I can about 4-way switches/circuts. I am trying to replace a 4 way switch + 2 three way switches with zwave. I have done other 3-way installations (with ...
1 vote
1 answer
1k 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 ...
1 vote
2 answers
93 views

Switching light without three way

Just looking to get someone's opinion on the legality or practicality of this circuit: There was another question posted recently where someone was asking about the ability to switch a second light ...
3 votes
1 answer
244 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 ...
0 votes
0 answers
57 views

Light Switch Problem - all Reds and Whites

I have a light switch that I wanted to replace with a timer switch (to control outdoor lights). When I pulled the old light switch out of the wall, there were 4 wires connected to it: Two White ...
0 votes
1 answer
146 views

Why are my three-way switches behaving differently than they were?

I have four lights in my new house that each have two different switches to control them. They are wired so that one of the switches would have to be ON and the other OFF for the light to be ON. If ...
6 votes
2 answers
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?
0 votes
2 answers
114 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 ...
1 vote
1 answer
909 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 ...
0 votes
2 answers
6k 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 ...
1 vote
1 answer
168 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 ...
1 vote
3 answers
3k 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 ...
0 votes
0 answers
26 views

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 ...
0 votes
2 answers
4k 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 ...
0 votes
1 answer
95 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 ...
1 vote
1 answer
395 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 ...
1 vote
1 answer
4k 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 ...
3 votes
1 answer
708 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 ...
5 votes
1 answer
681 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 ...
0 votes
1 answer
11k 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 ...
0 votes
1 answer
1k 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 ...
1 vote
1 answer
8k 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 ...
0 votes
1 answer
2k 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 ...
1 vote
3 answers
2k 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, ...
0 votes
1 answer
117 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 ( ...
1 vote
4 answers
14k 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 ...
4 votes
5 answers
13k 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 ...
1 vote
2 answers
68 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 ...
1 vote
1 answer
975 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 ...
4 votes
2 answers
17k 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 ...
2 votes
1 answer
2k 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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