Questions tagged [multiway-switch]

Use this tag for any time lights, fans, or devices are controlled from more than one wall switch location.

19 questions with no upvoted or accepted answers
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Fried switches, light fixtures, or wire?

In an attempt to fix a wiring problem from five years ago, I made a huge error. Here's the scenario: Box 1: Has switch #1 in a four-way set up (it's a 3-way switch) and is where the power comes in. ...
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63 views

How to abandon one 3way switch and convert the other end of the line switch to put in a smart dimmer?

I am a fairly savvy DIY and am perplexed on how to proceed. I want to remove one 3 way switch with a red, white, black and ground. I am assuming the white is a neutral, but does not appear to be part ...
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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
45 views

Wiring for stairway & two lights on landing

I'm looking for how to wire an MK switch on my landing. I thought I had a straight forward two-way setup with a switch at the bottom of the stairs and one at the top. But the upstairs switch is two-...
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42 views

Why was one of the light switches wired differently from other location?

Last night I installed a master dimmer and a companion dimmer in the dining room. Upon removing the wall plate to one of the two switches, I discovered that a black wire was attached to the black ...
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148 views

Wiring a ceiling fan/light to two 3 way switches

Wiring a ceiling fan/light combo with TWO 3 way switches. The fan/light is pull string type. The First 3 way Switch box has ONE (line/power) 14-2 cable plus ground, and TWO 14-3 cables plus ground ...
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1answer
62 views

Adding another light switch to the bathroom

We are currently finishing out Master bedroom in the basement. It was left unfinished. The builders were supposed to add a light above the shower and didn't. I ran a 14-2 cable from the existing 2 ...
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0answers
66 views

replaced fan - stuff gets weird

I installed a new ceiling fan that has a remote switch box. Everything worked fine. I couldn’t tell what colors the wires were in the ceiling, but followed the wiring that was already there. Now, the ...
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151 views

Fixing the wiring with a three way and a single pole combination

I am having a little difficulty fixing the wiring in my house. I have a stairwell with a 3 way at the bottom and at the top is my upper bedroom. There, I have a combination switch with a single pole ...
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1answer
93 views

No neutral in metal switch box for three-way switches in an older 1930's home

This is a 1936 home in Virginia with BX wiring and metal switch and outlet boxes. We went to replace original three-way light switches located at the top and the bottom of the stairs controlling a ...
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43 views

Installing Levitron Digital Dimmer with Matching Remote

I have a Levitron Digital Dimmer (DDL06-1LZ) and matching remote (DD00R-DLZ). Dimmer is at bottom of the stairs and the remote at the top. Wire it all according to the diagram and dimmer doesn't ...
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2answers
549 views

Remove a 3 way switch to install fan remote

Newb so be gentle. I installed a fan that doesn't seem to be wired for a separate fan and light switch at the wall, so I capped off the red wire from the ceiling at the fan, and installed the fan ...
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1answer
276 views

Convert Three Way to Single Smart Switch

I have two switches set up as a 3-way and I'd like to take out one and install a smart switch for the other. I know I need a neutral, and I thought things would be good when I looked inside, but it ...
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55 views

switch box red wire connected to white?

i'm installing smart switches, and found the neutral in another area so i assumed it'd be in all the switch boxes. Well not these two. It's a 3 way switch, and in the back of it there are white wires ...
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1answer
6k views

changing from a 4-way switch to a 3-way switch

Hi, I have a 4-way switched light in my entryway. I am hoping to install a 3 way smart switch for this light and cap off one of the switches. Referencing the attached picture, I am hoping to replace ...
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0answers
27 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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0answers
48 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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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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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 ...