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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3 way switch, possible compatibility issue?

I’ve been remodeling houses for 20+ years and have never seen the issue I’m having before ,if a dimmer wasn’t in the circuit. Replacing switches to new style (not “smart” rocker switches. Replaced ...
1 vote
2 answers
72 views

Wiring diagram for 3 way switches at end of parallel circuit

I have a wiring diagram that is similar to what I have but not quite. I have power running into the rest of the new school room but am unsure what my screw up is on this DIY project. For clarity, I ...
0 votes
1 answer
37 views

3-way switch with lights attached to both switches

What's the correct way to wire two 3-way switches that each have lights attached to them? This is my guestimate... I saw this exact question from 2017 but had trouble following the diagram, and am ...
9 votes
6 answers
11k views

How to reverse a three way switch?

I have a set of lights that are controlled by two different switches. Flipping either switch at any time always changes the state of the lights (on to off or off to on). I have OCD and so I want both ...
1 vote
5 answers
13k 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 ...
0 votes
0 answers
33 views

4-way Switch, and two 3-Way Switches, controlling two stairway lights?

I have three switches, one is four way, two or three way, and they control two stairway lights. The four-way switch is in a bedroom in the basement. I want all the switches to work together so that ...
0 votes
1 answer
58 views

Troubleshooting Sonoff ZBMINIL2 installation for 2-way switch integration with Home Assistant

I purchased a Sonoff ZBMINIL2 to transform a 2-way switch setup into a smart switch for integration with Home Assistant. These two 2-way switches control a standard ceiling light. Following a ...
11 votes
2 answers
900 views

Run single strand of K&T wire through conduit under floor?

I have a contractor putting a pocket door in a wall in our 1925 house. He removed plaster from one side of the wall and exposed a single strand of Knob and Tube wiring right where the door needs to ...
2 votes
2 answers
5k views

Three way switch circuit leaking voltage

I have a hallway light fixture controlled by three switches (panel -> 3 way -> 4 way -> 3 way -> fixture). Lights in this fixture routinely burn out within 6 months (incandescent, cfl and ...
4 votes
2 answers
964 views

Why do my lights stay on after adding one to a three-way circuit?

I have a two-year-old home with an unfinished basement that I wanted to add a few recessed LED lights to an existing run of four traditional light bulb fixtures. When I completed the wiring and ...
1 vote
3 answers
42k 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 ...
-1 votes
1 answer
64 views

More 3 way working questions

First of all I wanna thank those that replied to my original question where the basic answer was - you don’t have a neutral wire and need to get a switch or switches that don’t require one. So I did ...
0 votes
2 answers
45 views

Dynamically switching modes -- pair of 3-way switches controlling pair of lights vs. individual control of each light from nearest switch

I want to add a switch to an existing lighting circuit to toggle the function of the circuit. Currently, I have a 'standard' 3-way lighting circuit with two switches at opposite ends of a space, ...
0 votes
1 answer
122 views

Can one load be controlled with three 3-way switches?

I recently bought a house and the 3 switches controlling one light fixture aren't working properly. Here is a diagram of the three 3-way switches and wires: The first thing that comes to mind is: ...
2 votes
1 answer
43 views

Changing a 3-way switch to a smart switch that controls a bank of outlets

Summarize the problem I am trying to replace an existing 3 way switch with a smart light switch (Kasa Smart Wi-Fi Light Switch, 3-Way | HS210). The existing switch has wiring I can't quite figure out, ...
2 votes
1 answer
83 views

How do I wire a a new light switch to old wiring?

The far right (looking from the back) is one way and the left is two way. How would I wire this into a new socket? I presume it’s still the two red live into the 2 way, etc. The new device: The ...
0 votes
0 answers
27 views

Separating two lights from one switch

I recently converted one big room into two. The original lighting in the room was two ceiling fans on one switch. When building the separating wall I pre-installed a new switch and stubbed up about 20 ...
3 votes
0 answers
82 views

Help with 3-way switch/light troubleshooting

I've been helping a friend out to add some improvements to his house, and we've run into some issues with a 3-way switch/light setup and could use some assistance. For context, he bought the house ~3 ...
0 votes
2 answers
53 views

How should I install a three-way smart light switch in this situation?

This wiring is in a house that was built in the late 1980s. The junction boxes in question are located in two ends of the kitchen. One junction box has 4 switches (located at Kitchen entry), and the ...
0 votes
1 answer
499 views

What is a traveler wire and how does it work?

I have been doing little bits of electrical lately, mostly wiring up basic single pole switches and outlets and I have been trying to learn more as I go. When looking at some diagrams for 3 way ...
0 votes
3 answers
52 views

Single pole switch at the end of a three way switch

I have a pair of 3-way switches in the basement, the switch furthest from the power source is by a walkout door. There is a light outside the door which uses a switch that connects to the 3-way ...
1 vote
1 answer
76 views

Identifying which is neutral in 3-way wiring

I am doing a kitchen remodel that involves some rewiring. I am wiring a 3-way light switch, and my wiring diagram looks like the following drawing: However, the light does not turn on in all 4 ...
1 vote
2 answers
175 views

How can I get a hot wire in this 2-gang with only traveler wires?

Edit: I know my initial question was a bit tricky to understand, so here are some pictures as requested. In the box I have two 3-way switches for different light circuits. I want to put a put a ...
0 votes
2 answers
33 views

Add an additional light to the end of a standard three-way switch/light configuration

I've seen this question before, and I found one answer that sounds feasible. I need to add a light at the top of a stairwell that has a three-way switch/light configuration, BUT, I cannot fish ...
5 votes
5 answers
41k views

What is the correct way to wire a 3 way switch where power comes into the middle switch?

I found two books and neither had the diagram. Only I found two separate diagrams that did not work. The setup: Box 1 with 3 wire runs to box 2. Box 2 has 2 wire power in, 2 wire to light and 3 wire ...
0 votes
1 answer
42 views

How do I maintain equal hot and neutral paths when wiring 3-way switches with lights on both ends using a /4 wire between them

This is a follow-up question to the answer by Harper - Reinstate Monica https://diy.stackexchange.com/a/110881/181433 the suggestion to use a /4 wire is what I have been trying to implement in ...
0 votes
1 answer
92 views

Motion (vacancy) sensor 3-way with dimmer switch other end

I’ve wired a Lutron MS-VPS5M (vacancy, supports 3-way wiring) switch to the inside of a walk-in closet, so it will turn off 5 min after someone departs the closet. I’ve also wired 3-way dimmer switch ...
4 votes
1 answer
372 views

Replacing a three-way switch wiring with smart switch(es), is it possible?

I have a 3-way setup and I'd love to make it smart, but I'm not sure how. Here's my setup: Box #1: 2 Wire Cable (Black, White) + 3 Wire Cable (Black, White, Red) Box #2: 3 Wire Cable (Black, White, ...
-1 votes
1 answer
31 views

Adding a dimmer switch [closed]

I bought a dimmer switch that is digital and it is a remote switch. Come to find out you need a master switch to run two dimmer switches to one light. The only way to get the master switch is to buy ...
1 vote
1 answer
10k 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 ...
1 vote
0 answers
29 views

Is this light-switch wiring safe and up to code? Kasa wifi switch next to 3-way rocker switch

My house was built in 1979. Today I replaced these 2 lights switches. The left switch was a simple switch. The right one was a 3-way switch (i.e. there is another switch that also controls the same ...
0 votes
1 answer
101 views

3 way switch for hallway

I just bought my first house. I was changing out the yellow switches for flat white ones. I took everything apart and put it back together the same way but now I'm running into issues where I either ...
2 votes
1 answer
118 views

Can I exchange two-way and three-way switches in the same box for lights?

I want to change my light configurations on my house, and think I have an easy change but want to confirm with some experts on this site! I have 2 switches that are by my front door. A single pole ...
0 votes
1 answer
97 views

By UK electrical standards, can I have two lighting circuits go into the same double switch?

I would like to add an intermediate switch to an existing lighting circuit. I would prefer not to cut a new hole in my wall for a completely separate switch and so my ideal choice is to replace an ...
0 votes
1 answer
117 views

How should I reconnect my ceiling fan to this three-way circuit?

I am replacing a kitchen ceiling light/fan in a house I just recently purchased. It has two separate cables coming into it. Each contains a red, black, white, and ground wire. The box is controlled by ...
0 votes
1 answer
331 views

Two 3-way switches from one source

I have two light fixtures that I'd like to have on separate 3-way switches. Can I do that from one power source? Can I split/daisy chain the power source and 'travel' them to each light fixture and ...
4 votes
2 answers
738 views

What does a 3-way switch with neutral and black tape mean?

While replacing a failing 3-way toggle switch I noticed 2 unfamiliar things in the switch wiring: A white neutral. I have not come across switches with neutral connections in my limited time as a ...
2 votes
1 answer
237 views

Add smart switch to 2-way switch

I live in Spain. I have this switch near my door: Black is live and the 2 greys go to the switch/outlet in my bedside: The squares are switch to the left and outlet to the right. Green/Yellow is ...
0 votes
2 answers
219 views

Wiring 2 Speed Blower Motor To DPDT / 3 Prong Plug

I was hoping to get confirmation on how to wire this up properly. I’m wiring a 2 speed blower motor to a DPDT switch for high/off/low functionality, and from there to a 3 prong power cable. Blower ...
2 votes
2 answers
758 views

Can I install a three-way smart switch with my wiring?

I think that my house has a three way switch wired like this diagram. I think it's this one because both switches only have one bundle with three conductors and a ground coming in. Would I be able to ...
0 votes
1 answer
54 views

4 way switch replacement

I am replacing a 4 way switch, and I'm confused where the wires need to go on the new switch. The old switch had a pair(A) of red and black wires going to 2 terminals labeled line 1, and another pair(...
0 votes
1 answer
62 views

Wall socket not working after changing lighting connection

I am having a problem in my apartment after making changes to the lighting switches. I live in Germany and live in my own apartment. We had one multi-way switch and one normal switch which controls ...
2 votes
2 answers
192 views

How to Join Single Pole Light to 3-Way Light in Shared Box?

I have a 2gang box with a single pole switch and a 3way switch. I am trying to figure out if it is possible with the current wiring to remove the single pole, and control both lights from the existing ...
0 votes
2 answers
137 views

How to replace two-way light switches with two black and two red wires?

I'm in the US/East Coast. I'm trying to replace my two-way kitchen light switches but I don't understand the wiring. At switch #1, there are 4 wires that connect to the switch. I get that I need to ...
0 votes
2 answers
85 views

Best inline lamp switch for intended use

I am planning to DIY a lamp for my wife for our bedroom. Current idea is to have two different lighting features contained in the same lamp. Idea being your standard lamp(A), and am going to be ...
0 votes
1 answer
116 views

3-way light switch,faulty sensor switch or incorrect wiring?

I am looking to replace one my 3-way toggle switch to a 3-way sensor switch (Leviton DOS05). After wiring per instruction provided, the second switch (non-sensor) does not work unless the sensor ...
0 votes
1 answer
53 views

3-way Fixture Wiring Question

A handyman replaced a light fixture for my sister, but badly screwed up the wiring such that it no longer turns off by either switch (everything worked fine with the old fixture). I just got here and ...
1 vote
0 answers
33 views

Two light three way circuit to Single light three way, single light single pole

I have two existing dining room lights that are controlled via a three switch. The existing wiring has two switch locations: Box 1 (garage) One 12-2 romex (black to black terminal on 3-way) One 12-3 ...
0 votes
0 answers
63 views

How do I wire up these two sconces?

I need some help to correctly rewire some sconces. The bedroom had these sconces missing for years and I am putting in new ones, but I am getting a tad confused on correctly wiring them back up. I'll ...
1 vote
1 answer
72 views

Is it possible/safe to fork one LINE wire for two light circuits?

The kitchen in my house opens out into the family room. On the far side of the kitchen, there is a 2-gang switch box [AB], on the near side of the family room is a 1-gang switch box [C]. - ---...

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