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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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2answers
30 views

2 light switches controlling one light fixture?

In my family room I have a light fixture. There are two light switches controlling this fixture. Yesterday I decided I want to get rid of the ugly brown switches, and change these to light. I have ...
2
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3answers
425 views

Replacing two 3-way dimmer switches with two non-dimmer 3-way switches

I had two Lutron 3-way dimmer switches for my bedroom lights. They looked something like this: https://www.amazon.com/Lutron-MAW603RH-WH-Electronics-Maestro-Dimmer/dp/B000BQMVXC I replaced the bulbs ...
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1answer
52 views

3-way switch tied to box, one switch removed, can't make sense of it

I'm starting the question over.I'm having a hard time making sense of what's going on and I found out the other switch wasn't removed. I have a light connected to two switches. One switch isn't ...
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2answers
52 views

Basement lighting four rooms

So in my basement I want to add lights to 4 rooms. A total of 18 LED lights on 5 switches from one power feed. This would be a 15 A feed all 14-2 wire. Switches 2 & 3 would be a 3 way switch ...
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4answers
91 views

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

I found checked 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 ...
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1answer
31 views

Problem with stair switching for light (3 way)

I just did an electrical survey of my house receptacles and fixtures. All voltages are around 119.5V except one. On the light that is controlled by 2 switches (ie on 2 different levels of the house) ...
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0answers
28 views

Problems after replacing existing 3-way switch

I replaced an existing 3-way run and now when I flip the upstairs switch, the upstairs light comes on, but when I use the downstairs switch both lights come on but the upstairs light goes dim while ...
2
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2answers
265 views

Continuous power between multi-gang boxes with 3 way switches

Apologies if this question is answered elsewhere. I couldn't find it specifically. I'm planning on installing two multi-gang switch boxes, where all of the switched lighting will be on the same ...
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0answers
27 views

Wiring diagram for a 3-way motion light switch

Does anyone have a wiring diagram for the Cooper Wiring Devices 390-6105XX-EG1D 3-Way Motion Light Switch? Asking on SE because this switch does not have standard screw terminals like other switches ...
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2answers
84 views

3 way switch with outlet always live

First box has 14/2 from panel, 14/2 to outlet, 14/3 to the other switch Second box has 14/3 from the first switch and 14/2 to the light.. how can I wire these up for 3 way switch.
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0answers
33 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
39 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
226 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 ...
2
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1answer
46 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 ...
2
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1answer
139 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
731 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
1k 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
76 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
21 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
38 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 ...
1
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1answer
76 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:...
3
votes
2answers
204 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 ...
2
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1answer
102 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
82 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
53 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
92 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
191 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
61 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
35 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
81 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
3k 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
41 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
79 views

Need help with a wiring diagram [closed]

I found this site while searching for electrical wiring advice... and it looks like this community might be able to help me solve my puzzle. I found 3 traffic light lenses (one red, one yellow, one ...
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1answer
65 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
4k 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
2k 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
85 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
1k 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
12k 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
56 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
269 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
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3answers
889 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
807 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
754 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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votes
3answers
1k 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
22 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
634 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
2k 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
46 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
373 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 ...