Questions tagged [smart-switch]

A smart switch includes electronic circuitry for remote control (beyond simple three-way switch wiring), smartphone or internet-based control, advanced timing capability or other features not found in traditional switches. Smart switches may require more (e.g., neutral) or fewer (e.g., signal 3-way with one wire instead of two) wires than traditional switches.

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Upgrading one smart switch in a double gang but there are 3 neutral wires [closed]

I am changing only one switch to smart in a double gang. The box has three neutral wires. What do I do with the third after using two for the smart switch?
Cathy's user avatar
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Using "dumb" fan control switch as a remote

I have a standard 3-speed fan and dimmable light bulb that I would like to control independently using this specific "dumb" switch, with two independent dimmers for the fan speed and light ...
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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, ...
Jimbo1987's user avatar
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Replacing a fan switch with 3 black wires with a smart switch

I have a switch which has a switched hot and an unswitched hot wire (wire attached to the backstab) going through it. I want to replace it with a tp-link Kasa smart switch. I tried attaching both the ...
Sameer Doda's user avatar
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Why do my bulbs flicker with a TCP 1-gang Smart Switch?

I just had a TCP 1-Gang Smart Switch installed to control two outside wall lamps (Pictured - and it is NOT a dimmer) and the LED bulbs flicker and go dim when I switch on. But it is supposed to be LED ...
Gerry's user avatar
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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 ...
Jon's user avatar
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Changing out a light switch for a smart light switch

I have a light switch in my garage that controls my outside garage lights. A same switch by my front door controls those lights. I would like to replace one of these switches with a smart switch. My ...
Sherald Friend's user avatar
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Installing a single pole smart motion light switch in a three wire configuration

I have two three-way switches controlling two lights in my laundry room at either entrance. I want to remove one altogether and replace the other with a Kasa motion sensing dimmer switch which is ...
Chris's user avatar
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Issue with Neutral Wire grouping to install Kasa Smart Dimmer

I want to make it clear that I am a complete and utter novice and know next to nothing about electrical wiring, I just about have a grasp of the basics. I've wired up a lot of other smart switches in ...
Polarbert's user avatar
6 votes
1 answer
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How do I install a smart switch with this wiring I don't understand?

I have lots of experience with wiring switches and lights/fans, when the existing wiring it's the standard hot, neutral, ground to the device and 2x neutral(tied together), 2x hot(line and load), and ...
Spencer Tharp's user avatar
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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 ...
Adam's user avatar
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Unknown L1-COM connection and 2 gang 2 way switch wiring (UK)

I'm trying to replace my 2 gang 2 way light switch with a smart one and getting completely lost in the current wiring and adapting it, I can't figure out why com would connect to L1 or find any ...
user1763295's user avatar
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3-way switch has two separate circuit hot wires from the breaker?

I have an old 1921 home with a 3-way switch for the upstairs banister hallway. The switch locations are on either end of the staircase and it controls the track lighting on the 2nd floor. I wanted to ...
Bovaloe's user avatar
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Replacing standard 3-way switch with Meross smart 3-way switch MSS550

how do I replace my standard 3-way switch with a Meross 3-way smart switch MSS550 must I replace the old switch with the live wire and not the one with load wire? -the 3-way switch is the one on the ...
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Is 3-way switching circuitry compatible with smart ceiling fans?

I'm gathering from research that generally smart fan control switches are single pole only. We have wiring for a 3-way switched fan/light fixture. Do 3-way smart fan switches exist? Do intrinsically ...
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Are this ceiling fan and this smart fan control switch compatible?

I'm looking at this smart ceiling fan switch described, in part, as Universal fit: easily turn your existing AC ceiling fan into a smart device with our universal smart switch and the best of all, no ...
cbmanica's user avatar
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How do I install a smart switch in a very thin wall?

I installed the first smart switch (out of 3 I want to install in my mobile home) in my bedroom, but the wall is too narrow and the box doesn't fit - it sticks out. It's on the wall when you enter the ...
Zui King's user avatar
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Install 3-way Lutron switch in my condo but get stucked

I am trying to replace my old switch with a Lutron smart switch (PD-5ANS). The switch on the wall should be a 3-way switch (two switches controlling the same light). There are green and white wires ...
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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 ...
Ryan's user avatar
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Confusing light switch - two blacks and a red, but with white and green wires?

new here. Last night, I checked out this light switch and noticed the presence of what I thought was a neutral wire. Seeing this, I ordered a smart switch to install. Coming back now though, I'm ...
SprintKeyz's user avatar
2 votes
1 answer
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Help identifying neutral for exterior lights switch upgrade

I bought a programmable timer switch for outside lighting in an older home (Canada). I peeked in the gang box so I could make this rudimentary drawing. I have "X'd" out Switch 2 and Cable 3 ...
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Converting 3 gang switch to Sonoff 3 gang switch [closed]

original 3gang switch I just converting my house from single phase circuit to 3 phase circuit. i intend to convert that 3 gang switch to sonoff 3 gang switch. i only discovered this single 3 gang ...
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Ceiling Fan with Light Causing AFCI Breaker to Trip - works in one room but not the other

I have two rooms each with: LED lights connected to a dimmer switch Ceiling fan with integrated LED light connected to an on/off switch My objective is to have the light in the ceiling fan to be ...
isaacco's user avatar
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2 answers
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Can I connect two Line (hot) wires in a single phase circuit safely?

I have a smart light bulb that needs constant power connected in order to be controlled via my smart home. However, I want my guests to be able to control the light via a switch as well. I bought a ...
Lucas P.'s user avatar
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1 answer
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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 ...
Daviid's user avatar
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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, ...
Francis Forget's user avatar
4 votes
2 answers
297 views

How to connect ground from smart switch to the metal junction box

how do I connect the ground wires from my Kasa smart switches to the metal junction box? As shown in photos, the four screws at the back of the j box already have copper wires under. Can I just add a ...
Raffi's user avatar
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2 answers
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Not sure what red wire for combination bathroom light/exhaust is for

I’m replacing the original switch with a smart switch. When I opened it up, it seems whoever installed it previously used a regular light switch. The red wire went straight into the old light switch (...
Thank you's user avatar
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2 answers
314 views

Can I use ground as neutral for a smart switch?

How bad an idea is it to use the ground from a switch loop light switch as the neutral (and ground) of a smart switch replacing the existing light switch?
Ram's user avatar
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Wiring color / gauge for pigtails at the junction box

Hi I need to bundle my neutral wires as well as ground wires with the addition of short pigtail/jumper wires The 4-gang all run on the same circuit A17B as shown in my photo. Questions for the short ...
Raffi's user avatar
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2 votes
1 answer
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How should I connect my new smart switch to three cables?

I have a smart light switch with a connecting wire for ground, neutral, light and switch (a green, white, and 2 black wires). It was previously connected to a smart switch and I'm just changing to a ...
Brock Larson's user avatar
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1 answer
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What happens if I bundle all 4 travelers from an old 4-way switch?

I have 3 switches that power a light. The smart switch manufacturer I use everywhere else in my home (Kasa) does not make a 4-way switch kit. What I've done for now is to remove the 4-way switch and ...
ricklane's user avatar
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1 answer
254 views

Replacing a 4-gang standard switches with smart Kasa switches

I am trying to replace a 4-gang standard switches with Kasa smart switches. How do I connect all the neutral white wires from the switches to the white neutral bundles in the box? There are too many ...
Raffi's user avatar
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GIRA eNet and a new light fixture/bulb

A year ago, we bought a house, and, with the house, we were handed a small, three-button clicker. Something like this (but with no labels on the buttons) The first button turns on/off a series of ...
Umut C.'s user avatar
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Want to replace dimmer switch with smart switch. I think I have a 3 way dimmer?

I have a dimmer switch and a regular switch in two different locations. Both control one set of lights. Is this called a 3 way dimmer switch? The 3 way dimmer switch is the master and the regular ...
Dimmer1927's user avatar
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]. - ---...
bosco's user avatar
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2 votes
1 answer
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Converting 3-way Switch to Single Pole Smart Switch

(Reposted from a guest account I lost access to somehow) I recently moved into a new home built in the 1970's and am looking to upgrade some no-neutral dumb switches to smart switches. After doing ...
Sandersonerson's user avatar
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213 views

How to wire smart switches with a dead-end 3 way?

So I got some smart switches (Kasa HS210), and being relatively handy thought I could wire them up alright, but I guess I'm in a bit over my head due to having a "dead end 3-way"? Using the ...
Havegooda's user avatar
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1 answer
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How to connect a 2-channel smart lights switch module?

I currently have this, with a "dumb" light switch connected (diagram included as the pic is a bit hard to see), it manages two ceiling lights: I want to disconnect that, and instead connect ...
Aileen's user avatar
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Help wiring a smart light switch-one neutral for multiple lights

I have 4-5 outdoor lights and two porch lights which are all on the same circuit. In the switch box there is only one hot, one neutral, and one ground (split). There are two light switches. One ...
Baobab's user avatar
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1 vote
0 answers
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Two fans on a single switch... run slow?

I recorded a video… in this video it shows 3 fans. These are Hunter Gallegos AC fans, and have no pull chains. The speeds are operated completely by Inovelli VZM35-SN wall switches. The switches are ...
Jason Axelrod's user avatar
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Kasa HS210 wiring setup

Switch-1 has one black, one white and one red and green neutral connected to the switch Switch-2 has two cables coming into the box. The red and and white wires coming from the cables are connected to ...
Dave S's user avatar
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1 vote
1 answer
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Need to confirm if there is a neutral wire in this electrical box

I am trying to determine if my light switches have a neutral wire, as I need to know if I can order smart switches with neutral wiring required. Here in this picture you can see two example outlets: ...
Dani's user avatar
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2 answers
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Using 15 amp smart switch requiring 14awg wires for lighting/fans on 20 amp circuit

I am hoping to install zooz smart switches, however the instructions state "14AWG wires only!", but I have a 20amp circuit which uses 12awg wire. Looking at the code regarding smart switches:...
user8340913's user avatar
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2 answers
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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 ...
chadp's user avatar
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4 votes
3 answers
2k views

Can I wire a smart switch with a neutral and no load?

I have a wall switch that currently controls a wall outlet. I don't have or want a light plugged into that outlet. I'm comfortable reconfiguring the circuit so that the outlet is powered directly and ...
qmega's user avatar
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1 answer
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Connecting smart switch (3 pole) at single pole terminal (end of line) switch

An electrical novice, here, with some basic understanding. I’m installing several smart switches around the house, where most locations require a 3-pole switch. I’ve had no trouble installing at these ...
Mark Ebbert's user avatar
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1 answer
102 views

Smart switch mess. Ceiling Fan/ light

I was hoping maybe i can get some help. I recently moved to a new place. So i been doing alot of DYI and need help with this one. I changed our old fan to a new one but now the new one doesnt turn on.....
Luckynico's user avatar
1 vote
0 answers
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Should I connect the neutral on a smart switch two way connection

I am in New Zealand I have Fibaro home automation. The pendant is wired from the switch at the door One switch is at the door The other one at the top of the stairs. They are 4m apart, but the cable ...
Rohit Gupta's user avatar
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Adding Smart Switch When Neutrals Used as Travelers in Three-way Switch

Is there a way to install standard smart three-way switches in a box where the electrician used the neutral from the breaker box as a traveler? I have a three-way switch with the Neutrals in the box, ...
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