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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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37 views

Hacking a 2 gang intermediate switch

I have a requirement for a 2-gang intermediate light switch (specifically, only one of the gangs needs to be intermediate - the other can be 1 or 2 way). There seems to be very few of these available,...
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1answer
55 views

Can a motion sensor switch be installed as part of a pair of switches?

I have a switch to my hallway by my garage. The other switch is by my stairs. I have had a motion sensor on the switch by the garage for about 15 years and it worked fine. It finally broke so I ...
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1answer
1k views

Running power to a single switch from a three way switch

In my garage I have a three way switch that powers the ceiling lights in the garage. There is one switch near the garage entrance near the garage doors, and one switch near the back of the garage. I ...
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1answer
87 views

Three-way switch wiring behaving oddly

The hot wire and traveler wire behave oddly in a three-way switch in a 1950s house. The metal box has three wires - red, white and yellow. The red-color wire measured 116V, so I assumed it's the hot ...
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2answers
449 views

Determining which 3 way switch is wired wrong

I have two 3 way switches controlling one light. Sometimes when the light is on neither switch will turn off the light but one of the switches will turn light off if switch is placed half way between ...
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1answer
3k views

Switch with 2 red, 2 black and 1 ground wire

I have a switch indoors which controls two outdoor daylights. I opened the wall plate and found that it has two red wires and two black wires and one ground (so 5 terminals in all). I stuck a ...
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2answers
3k 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 ...
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4answers
234 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 ...
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0answers
25 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 ...
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1answer
89 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 ...
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1answer
99 views

Three-way switch puzzle

I have an outdoor light controlled by a pair of 3-way switches, A and B. The switch B is much closer to the light. Here are the behaviors I observe. During the day: A: Up B: Up or Down Light:...
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2answers
644 views

Multi gang switch boxes - Is it okay to keep the same branch neutrals separated for the different lighting/switching circuits?

I recently learned from this community about the importance of keeping currents balanced in each cable. In other words, current in one direction should be canceled by the same amount of current ...
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1answer
141 views

Three Way Switch Works With Power Off

I have a switch box with 3 switches in it, each powering a different light. All three switches are supplied by pigtails from one incoming cable. Two switches are simple single pole switches and when ...
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1answer
121 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 ...
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2answers
192 views

Modifying strange 3 way switch wiring

Just moved into a house, and wanting to replace one of the 3 way switches with this item: zwave switch From what I can tell the two switches each have three wires in them, well 4 incl ground. They ...
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1answer
179 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 ...
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2answers
1k 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 ...
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2answers
65 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 ...
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0answers
46 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 ...
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1answer
97 views

Two Lutron occupancy dimmers for one light

My setup is as follows. Hot -> occupancy dimmer 1 -> traveler 1 -> light load Hot -> traveler 2 -> occupancy dimmer 2 -> light load It works ok, if they are both triggered at %50 dim the light turns ...
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1answer
7k views

Bypass a three-way switch for the next single pole switch in the same circuit to work on a different light?

Is there a way to bypass a three-way switch for the next single pole switch in the same circuit to work on a different light? I have four lights on one circuit with two of them on three-way switches....
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3answers
73 views

multi light 1 switch each, and one switch for the all light

in my garden i have 6 lights each one have a switch, last week i connect all the lights to one switch so all the 6 lights will turn on with one switch, but some time i don't need all the 6 lights on, ...
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1answer
70 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 ...
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2answers
10k views

Adding Light to Existing 3-Way Switch Configuration

I currently have a 3-Way light setup like the one pictured below but I want to add an additional light to the circuit on the right hand side switch. I can not add any wires between the two lights as ...
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2answers
6k 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
94 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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2answers
27k 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
83 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
423 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
1k 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
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 ...
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0answers
23 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 ...
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2answers
2k 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
4k 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
50 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
888 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
90 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
99 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
118 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
259 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
3k 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
697 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
145 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
667 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
2k 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
48 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 ( ...