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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44 views

ground wire to two switches

I just installed two Lutron Caseta switches in a 2-gang switch box. When I opened the box, I was expecting to find a separate ground wire to each switch. However, what I found was a single ground wire ...
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22 views

2-gang switch with 3 black wires, how to wire up smart switches?

A friend and I have been wiring up my new home (built 2012, neutrals everywhere) with Lutron Caseta smart switches (specifically in this case, PDW-5ANS-WH-A) and he was working on my guest bathroom ...
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186 views

Does this 3-Way Wiring Violate 300.3(b)?

I see NEC 300.3(b) coming up quite a lot in discussions about neutral wires and smart switches. I'm looking at a 3-way configuration I have now with analog switches and how I can properly modify it to ...
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363 views

Live wire spliced in a switch to provide power to other parts of the room!

I wanted to replace a single pole toggle switch with a smart switch. I opened the switch box to analyze the existing wiring. Typically in single pole switches there should be 3 wires going in. I live ...
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32 views

Installed smart switch on switch controlling multiple lights, now they invert?

I wonder how this could have happened. We have three lights in front of our front door, one hanging above the front door, and two on the sides. I replace the light switch with a Kasa smart switch, and ...
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48 views

Can I use this smart dimmer switch with these wires?

Kasa Smart Dimmer Switch http://imgur.com/a/HW0aEcf I have been able to hook it up so that the switch itself will turn on and connect with my phone, but I just can't get the light to turn on with this ...
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81 views

Rewiring after finding hidden neutral-ground connection

My basement has overhead LED can lights that were installed by an electrician 7-8 years ago, sometime after the house was built. It looks like they powered them by running conduit to tap into an ...
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51 views

Smart Switch Compatibility

I’m looking at purchasing some smart switches to replace my normal switches. But before I do I wanted to ensure they would be compatible with what I’m looking at. Below is the image of the wiring for ...
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63 views

Kasa “Smart” Switch does not turn off the light

My house has older wiring and a lot of stuff is rigged in a weird way. When I installed the Kasa switch, I was careful to only connect black to black and white/neutral to neutral and ground to ground ...
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20 views

I'm converting a light switch with Quinetic. Does the light switch need a 16 amp receiver or a 6 amp one?

As above. It's a normal domestic light switch. I want to get one of these: https://www.quinetic.co.uk/products/wireless-switch/ It needs a receiver too, which is wired into where the current light ...
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51 views

I can't get this Smart Dimmer to work

GE Zigbee Smart Dimmer I can't get it to turn on I have tried 2 different ones and neither will turn on The only way we can get them to turn on is by putting both wires in the same hole, but then it ...
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3-Way Wiring Help

I have a trio of: (2) three-way switches + (1) four-way switch connected to a trio of hall lights (controlled as a group), and am trying to replace one switch with a smart switch and still maintain ...
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29 views

Question regarding confusing outlet smart switch install

I've been recently trying to install 2 new smart switches in place of some older light switches, but I cant for the life of me figure this out. Here is a picture I drew of the current wiring as I can ...
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53 views

Identifying Wires (especially Neutral) in Complex 3-Way Light Circuit

I'm planning to replace a number of 3-way switches with smart switches and as a necessary first step have been trying to map out the wiring in each of the relevant boxes. This is what I've come up ...
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219 views

220v alternatives for Lutron Caseta Smart Lighting? [closed]

I need to add another light switch in my home to pair with an existing one. In other words, I have an existing switch that controls a light, and I want to add another one with no wires to control the ...
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35 views

No Neutral Wire to Install Smart 3 Way Dimmer

I am replacing a 3 Way switch (master) and remote dimmer with Decora Smart devices. The master has the correct wires to install the smart 3-way dimmer master. The remote box had a dimmer device with ...
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89 views

Why can't I find a listed single pole dual smart switch?

I've been looking for ages for a smart switch to replace an analog single pole dual switch like this. Everything I am able to find on Amazon, or really anywhere, is cheap foreign-made and not UL or ...
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47 views

Ground wire seems to pass through light switch

I am trying to install a Kasa smart switch and ran into what looks like a ground wire that just passes through the switch(see image below). This switch is one of two that control a single bank of ...
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64 views

Converting existing 3-way switches to smart switches

I have an existing 3-way switch setup that I'm trying to convert to "smart" switches and I'm feeling "not smart" after mapping out where I think the wires are going. Unfortunately ...
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99 views

Converting switched outlet with 2 black and 1 red for a smart switch

At present we have a switched outlet for a floor lamp. I would like to replace this with a Kasa smart switch. When I pulled the switch out I noticed it had 2 black wires and 1 red wire: The red wire ...
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1answer
22 views

Smart dimmer Wi-Fi (Globe or C-GE) to old wiring?

Wiring smart globe dimmer switch with white, black, green red but my box is old and I only have black white and cooper. Sure no neutral. Help please.
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80 views

Is there an “inside box” switch (for smart lighting)

I recently bought some smart recessed lights (with smart dimmer) for the kitchen. The smart lighting system requires the power supply to the lights always remain on. Rather than placing the smart ...
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35 views

Will a standard wifi enabled light switch between an indirect water heater and the furnace stop the heat call?

We have a Honeywell thermostat on an indirect water heater that ties to one of the zones on a furnace in a vacation home. I'd like to be able to stop the call to heat the water if the house will be ...
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42 views

How do I switch this old NZ 3 gang light switch to a modern smart switch?

I am trying to switch over an existing NZ three gang over to a smart switch. In the old wire colour code, my understanding is that red is live, black is neutral, and green is ground. I have already ...
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47 views

How do I wire a wifi light switch with wiring that doesn't match the install instructions?

I bought a Yeewell smart light switch (X00247151R) that claims to be designed to work with a standard 2-way light switch. The one I'd like to replace has two switches in it, but only one does anything....
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52 views

Physical switch for LED light strip

I installed a Philips Hue RGB light strip in my home (this model). It plugs into a regular wall outlet and I turn it on and off using the Google Home app on my phone. I would like to have a physical ...
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38 views

How to convert Light Switch from 2 red, 2 black, and ground to 1 traveler, 1 neutral, and a ground?

I am swapping the light switches in my house and have come across some issues with some of the 3-way switches. The switches have a ground, two red cables, and two black cables and the new switch I'm ...
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1answer
57 views

TP-link Kasa 2 way HS200 only controls 1 of 7 lights

HELP for a SmartHome / Electrical noob here Our kitchen has 11 recessed lights - 6+4 on the main roof and 1 over the sink. The 6+1 are controlled by one 2 way switch (A). The other 4 by a 3-way setup (...
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1answer
46 views

Does my light switch have a ground?

I just bought my first house and I want to replace this switch with This smart switch. The smart switch says it needs a ground wire, but when I opened the box up, it looks like there are only two ...
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62 views

General question: Adding Wifi switches to late 90s home

I'm looking to swap some legacy 1-gang light-switches on our second floor seem to tasmota-friendly gosund switches. Unfortunately, the wiring seems consistent with the other room of no neutral/ground ...
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39 views

Wifi switch wiring

We are trying to replace three old 3-way switches with new wifi 3 way switches. Everything went smoothly until maybe a few minutes after powering back on, the main breaker tripped. We wired everything ...
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634 views

Gosund Smart Dimmer Switch Not Turning on Light

Just tried installing a Gosund Smart Dimmer Switch model number DS1. This is a single pole installation. First issue was that upon removing the old switch I had 4 wires, but 2 were twisted together ...
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44 views

Smart Switch Connection Issues

I am trying to wire a smart switch and wired it successfully for the other rooms but as having trouble in one of the rooms. Can someone help me identify which wires are which as it seems to me by ...
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31 views

Wiring in wall light and shelly v1

I'm wanting to add a shelly v1 to one of our wall lights but after taking it off I can't work out what is happening here! The wiring doesn't seem to match any diagrams I can find, what is this called ...
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48 views

Should a smart switch (that requires a neutral wire) cause my non-contact voltage tester to beep?

I installed 3 smart switches which are all on the same circuit in my house. I have never changed a light switch before, but I followed the directions very closely and watched a couple of Youtube ...
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1answer
67 views

Help wiring “smart” light switch in existing space

I would like to replace 2 conventional light switches in a 2-gang box, with 2 "smart" light switches, but I'm confused about how to wire them. The circuit has 3 wires coming in from the top ...
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1answer
43 views

How 3 way smart switch works?

Here is the screenshot of leviton 3 way smart switch ( primary and secondary remote switch) wiring diagram. For non-smart 3 way switch wiring, it is just mechanical connections in the switch which ...
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1answer
37 views

Replacement or retrofit listed smart switches

Most smart (WiFi remote) light switches available online say "neutral wire required". For example, this Gosund dimmer. In some older houses, this requirement for a neutral in the switch ...
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3answers
353 views

Adding a smart switch to a box originally containing two single-pole switches

I currently have two single-pole switches in one box, with the first/upper controlling an interior light and the second/lower controlling an exterior light. I want to replace the second/lower with a ...
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26 views

How to change a 2 gang switch to a smart switch

I want to change my 2 gang switch to a smart switch. There are two lights connected to 2 gang switch and now I'm changing to a smart switch with also 2 switches. How can I do it?
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30 views

Honeywell programmable switch: lights always on…?

I have a Honeywell programmable switch for outdoor lights. Recently, I realized that even when the switch is supposed to be off (during the day), the lightbulbs are not completely turned off. They are ...
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1answer
417 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-...
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155 views

Convert 2 gang no neutral light switch into 1 gang to power a smart-switch that requires neutral. Possible? UK

This is probably not possible and instead just highlights my basic lack of understanding, but thought it was worth asking! If it is possible I would get a qualified electrician to do it. I'd like to ...
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21 views

Replace light switch with smart switch, existing wiring used to be three way

There is a light switch that controls some recessed lighting that I want to replace with a smart switch https://www.belkin.com/us/p/P-WLS040. The old light switch is a three way switch that is wired ...
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1answer
82 views

How to identify type of 3-way switch wiring

Like many others here, I am looking to replace a 3-way switch with a "smart switch" that requires neutral. As I inspect my wiring (home built in 2009) I note that I can't tell the difference ...
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3answers
2k views

How to wire a switch with two black wires and one yellow wire?

I'm new to the DIY community. I'm currently working on changing my switches to smart switches. I've done two single poles successfully but now I have some trouble with this one. This is my bedroom ...
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463 views

Can I connect the neutral wire ends via a single switch terminal (without a pigtail)?

I installed a smart dimmer switch that requires a neutral wire. It was in the junction box with the two ends wire-capped together. My switch didn't come with pigtail wires and I didn't have any extra ...
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3answers
142 views

How to identify neutral wire in multi-switch box?

I have a 4-switch junction box where three of the switches are on one circuit and the fourth switch is on its own circuit. I need to identify the neutral wire with the 4th switch to install a smart ...
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96 views

Yet another 3-way smart switch question

Upstairs, I have a 2-gang with 2 different circuits. This question relates only to the left side of that box. It appears to have 4 drops, /3 /2 /2 /3, with the 2 left neutrals and 2 right neutrals ...
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79 views

Is this metal box grounded already?

I live in Chicago. I try to replace my single pole light switch to a dimmer light switch. When I open the current light switch , I can't find the ground wire. How should I connect my new dimmer switch'...