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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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1 answer
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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
63 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
195 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
156 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
108 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
139 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
69 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
75 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]. - ---...
0 votes
1 answer
4k views

How to 4way switch wiring - not according to standard diagrams

Last Saturday I was trying to replace switches.. but the outcome didn't work the way it was supposed to. I have 3 switches that all 3 go to the same light. Switch A. 1 cable coming into the box. All 3 ...
0 votes
0 answers
98 views

14 volts on bare copper ground wire at light switch with breaker off & low volts on hot wire with breaker on

so I have two light switches on each end of our hallway that controls the hall lights (3 way switches). For years it hasn't worked or one of the switches were bad, because you could wiggle it, and the ...
0 votes
0 answers
28 views

Light fixture troubleshooting

Light fixture in basement stopped working. Checked the bulb and wiring and looked good. When I use the switch in a 3 way switch set up, the light fixture only works if the adjacent recessed ceiling ...
0 votes
2 answers
47 views

Possible to covert normal switch to three way?

I'm in the middle of a home renovation project (not doing it myself) and I purchased some nice brass light switches for my office. There are two places in the room where we have switches and they are ...
4 votes
1 answer
217 views

Installing leviton ODS10 motion occupancy switch on 3 way switch

I'm trying to install a motion sensor occupancy switch on a 3 way switch. It can be used with sensors in 2 locations as shown in instructions below, but I want to use the regular switch at the other ...
1 vote
3 answers
5k views

3-way light switch mysteriously works, then stops working, then starts working again

I have a three-way light switch that is exhibiting really odd behavior. Sometimes it works and sometimes it does not. For example, just now the following happened. Lights are off. I go to switch A ...
0 votes
1 answer
61 views

3 Way Switches to Existing lights

I want to add a 3 way switch to my basement lighting. The circuit they are on includes a couple of receptacles also. The wire from light to light and receptacles is 14/3 Romex. The single pole switch ...
1 vote
3 answers
150 views

Replace 3-way switches with motion sensors [duplicate]

In my pass-through (i.e. two entryways at opposite ends) laundry room, where people walk in holding laundry baskets with both hands, I'd like to replace the two 3-way switches with motion-sensor ...
0 votes
1 answer
53 views

4-Way Light switch

A light fixture hooked up to 3 light switches is a 4-way light switch not 3-way, right? I'm having a lot of trouble with it with flickering lights and the lights turning on full brightness the 2 ...
0 votes
1 answer
183 views

How to add a kill switch to a 3-way light switch

I'm not good with electrical terms, so please keep it dumbed down for me. The ones I use here are probably the only ones I know. I have an existing 3-way switch setup (2 light switches that both work ...
1 vote
1 answer
4k views

Why are there two black wires connected to the bottom of my three-way switch?

I am installing a new 3 way switch. When I open up the existing three way I see two back wires connected that the bottom, one black in the top and one white at the top. Can someone advise what the ...
0 votes
1 answer
725 views

Bathroom Lighting Switch/Motion Sensor solution

I have a bathroom mirror with built in led lighting around the mirror casing. It is controlled by a touch switch on the front of the mirror. I would like to control the light by using a motion ...
0 votes
2 answers
119 views

Smart Switch Newbie Electrical Question (2 black lines)

TLDR: What do I do with this "extra" black wire on my existing switches to replace them with two Kasa smart dimming switches? EXISTING SWITCH: EXISTING SWITCH EXPOSED: NEW SWITCH (I have ...
1 vote
0 answers
102 views

Connect ceiling fan romex to switch controlled outlet or directly to switch?

I’m installing a ceiling fan in the living room. I want to control the ceiling fan light and fan on separate switches—the ceiling fan is capable. However, the wiring in the switch box made me pause. ...
1 vote
1 answer
75 views

Three-way circuit where one switch also toggles an extra light fixture on/off

I'm trying to figure out a circuit in my home that operates two sets of lights: a set of track lights over the stairwell, and a light fixture at the end of the upstairs balcony. At the bottom of the ...
1 vote
1 answer
105 views

Can't figure out wiring in this three way switch

I have a pair of three way switches at the ends of my hallway that control a ceiling light and I'm working to replace them with new switches. I pulled out the old switch and put all the wires back on ...
0 votes
1 answer
133 views

Circuit Tripping Immediately after replacing three way dimmer

Upgraded a dimmer to be compatible with future LED lights. The old was a three way dimmer but it had no ground wire and no markings. I BELIEVE I found the common and wired this to the appropriately ...
1 vote
1 answer
150 views

Wiring a 3 Pole Meross Light Switch

I've got a three-pole light switch that I would like to get wired up in my house, and after opening the panels it appears that the wiring is nontraditional: The Fixture: Ceiling Fan with light ...
0 votes
1 answer
130 views

What do I do with the "extra" traveler wire when removing a 3way switch?

I have a three-way switch that controls an outdoor flood light. I'm going to replace the outdoor light with a ring camera/floodlight, so I don't want the switch to control the power anymore. I just ...
0 votes
0 answers
80 views

Completely Re-Wiring a Three-Way Light Switch (Meross MSS550)

The Scenario: I've just discovered that the previous owners of my home did not care for electrical safety and wired the boxes in very dangerous ways What I'm looking for: Assistance re-wiring the two ...
1 vote
1 answer
102 views

How can I trace switch wires from 3-way switches across the room?

I have an open concept with several 3-way and one 4-way switch. I'm going to be adding some smart switches which will require a bit of a rewire for every switch in the series. What's the best way to ...
2 votes
1 answer
359 views

Can I use this external light switch to supply an outside circuit?

I have just moved in to a new home in the northwestern part of the UK. I have a light switch that switches an outside light. I want to use that power to have electricity in the garden including ...
1 vote
2 answers
2k views

How to wire up 0-10V dimmer in a 2-way configuration

I recently upgraded my old halogen kitchen ceiling lighting with LEDs - two fixtures. They have the 0-10V dimming wires. I also got a pair of 2-way switch/0-10V dimmers. My dilemma is that I don't ...
0 votes
2 answers
629 views

Replace 3 way switch with smart 3-way switch

I have an existing 3-way switch. The pair of switches control my hallway light and works perfectly. To replace this, I bought a Kasa Smart 3 Way Switch HS210. Other than the copper wire , it has only ...
2 votes
2 answers
441 views

Can I use power from two seperate circuit breakers in on gang switch box

I am In Ontario Canada. I am doing a renovation and I came to a switch box for my hallway that has two three way switches that operate two diffent lights. One at the top of the stairs and one at the ...
5 votes
2 answers
11k views

Wiring Leviton Smart 3-way Switch when Load Line Goes to the Fixture

I'm converting my home to use all Leviton smart dimmers (DH6HD-1BZ) and LED lights. All has gone well so far with neutral being accessible from most switches. However I've come across an old-school 3-...
0 votes
2 answers
127 views

How is this 3-way switch working?

Found at a friend's house. This 3-way switch is working fine, but it seems to have 2 of the wires permanently bonded together under one screw terminal, with the other one remaining unused. Presumably ...
5 votes
2 answers
7k views

How to wire two different 3-way circuits from same box

I have two separate 3-way lights that need to be powered from the same power source in one box (in addition to using the box as a junction to supply power to a different box, but I can't see why that ...
4 votes
2 answers
3k 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 ...
0 votes
0 answers
98 views

Remove a 4-way switch

I have 3 switches on the same circuit that power lights in my family room and garage. Two 3-ways are located at each end of my family room and the 4-way is in my garage. I want to remove the garage ...
0 votes
1 answer
945 views

How to wire a 3-way decora leviton motion sensor switch?

I want to replace one of the two 3-way switch that's in my laundry room. I have the Decora D0S05 model switch: PDF instructions here The issue though is that the switches beside it is linking up the ...
2 votes
1 answer
623 views

How do I bypass a 3 way switch?

I have a light fixture that can be turned on/off from two locations. One location is on a Lutron occupancy sensor switch, and the second is a standard flip switch. However when I flip the standard ...
3 votes
3 answers
12k 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 ...
1 vote
1 answer
123 views

Connect a smart switch to 2 gang light light switch

I've got an older house (1958) and I want to control my outside light with a smart switch on a dusk to dawn schedule. Light sensor bulbs are not working properly in our outdoor housing. That light ...
1 vote
0 answers
486 views

4 way switch circuit with only 3 wires on middle switch

I have a house built in 1967 and don't have neutral on each box. A number of years ago I switched to Insteon switches that "Paired" with each other and did not require a neutral wire. I am ...
4 votes
1 answer
605 views

Theoretically, can one do this to troubleshoot a circuit?

Could you do this to troubleshoot sets of switches and outlets that are connected in 4-way and 3-way patterns: So if you unhook all wires that connect to outlets and switches in one circuit, could you ...
0 votes
1 answer
181 views

Trying to figure out how to add a receptacle from the far 3 way switch

I've read answers to similar questions but I'm still confused. I'm trying to add an always on receptacle from the far switch of a 3 way switch circuit. Right now the circuit is wired like this: I don'...
0 votes
0 answers
65 views

What is going on with this room’s wiring? Should I try to find where the circuit begins?

So this room is wired strangely. The house is from the 1980s. I am in the process of changing out old outlets and switches. Something is not working right. I have researched 3 and 4 way switches and I ...
-1 votes
1 answer
266 views

Can a three way switch control two lights that have no connection?

Our contractor added a light at the bottom and top of the basement steps, each on separate switches. The top light is on a three-way switch with one of the switches right next to the switch for the ...
2 votes
3 answers
16k views

Wiring Help Lutron Diva Dimmer and Claro 3-Way with Claro First in Line

I am having trouble figuring this out. Attached is a diagram, best I could do given the tools I have. Please remember I am not an electrician so explain like I am 5 please. In a nutshell, the 14/2 ...

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