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Questions tagged [switch]

For questions about switches, i.e. electrical devices used to manually open and close an electric circuit on a routine basis.

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1answer
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Smart switch wiring

I’m swapping out a single light switch for a smart switch. The wiring from the gang is a single cable with red, black, ground, white. The neutral wire was unused in the original switch. The smart ...
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1answer
41 views

Trying to install Leviton smart switches replacing two older switches

Am I installing this correctly? I'm trying to install two new Leviton smart switches. Had two neutrals tied off, so pig tailed them. Does first switch need be replaced as well? It's a Lutron dimmer. ...
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1answer
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Light switch to switch/outlet combo

I have an older house and want to change a light switch to a switch/outlet combo. The current switch has two wires only in the box. The new combo has a ground (green), and two lines on one side. The ...
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1answer
9 views

Wemo Light Switch + Niko Dimmer Switch combined

In order for my smart lights to be on permanently, I need the light switch circuit to be "permanently on", while the light switch instead controls my Hue lights. While I know this is accomplishable by ...
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1answer
67 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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1answer
36 views

Trying to hook up dimmer/fan switch but have an extra wire?

I am trying to replace a switch that had a 4 position light knob and a 4 position fan knob. The old one had three wires coming out of it and the new one has 4. Below is a picture of my wall and the ...
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1answer
109 views

Help with replacing 3 way switch with a smart 3 way switch

I'm trying to replace existing 3 way switches with 3 way smart switches to control the lights of my light/fan combo. The current set up is a dimmer in 1 location and a toggle switch on the other side ...
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1answer
34 views

14-2 and 14-3 into one box

In my basement wiring diagram - in Box #1 -- I have a 14-2 cable from the panel and a 14-3 cable terminating a 3 way switch (6 & 7) from the same circuit. Is this ok, normal, against code, ...
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10 views

Apartment outlets troubleshooting # 3

I have solved the power outage to the circuit powering 3 different rooms but only partially. 2/3 outlets power on and 1/2 of the light switches work. In the bedroom. The working outlet is the only ‘ ...
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0answers
37 views

Changing a Switch in one room but lights in other rooms go out

So there are 2 sets of wires coming in on the right (black, white ground) and 1 set of wires going out to the left (black, black), which seem to connect to the next room. When I change the switch, I ...
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1answer
103 views

Bathroom Switch (Light/Fan) 3 Black Wires? GFCI?

I'm replacing my bathroom switches (2) with a timer (for the fan) and a motion sensing switch (for the light) (lutron brand, not sure if that matters) and I ran into a very weird configuration: So ...
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3answers
89 views

Motion sensor with bypass switch?

I wish to have a motion sensor on the lights in my garage, but I also want to have an override switch that works normally, and does not require a specific pattern to toggle the override in the sensor. ...
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1answer
50 views

Combine Lights on one switch and remove smoke detector from switch

Experts, I've got a weird wiring situation in my kitchen (just bought the house). "A" (a dimmer) in the picture controls both a light (let's call it light "X") and (wait for it) the smoke detector! ...
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2answers
58 views

How can I provide neutral wires for my smart switches?

I'm trying to install smart switches, which obviously need a neutral wire. I'm pretty sure I am lucky enough that I have it, but, want to make sure and also find out how to use it. I've attached a ...
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0answers
31 views

Is there an LED-compatible dimmer switch that can work in series with a second dimmer?

I just installed 3 LED shop lights in my workshop (ok they're actually meant as bathroom lights, but the price was right). They are wired in parallel, with a master switch in front of everything (in ...
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0answers
29 views

One side of combination switch turns off power in a room

I have an exhaust fan, light fixture and wall outlet connected to a combination switch. The top switch turns on the lights and it works and the outlet is always on, but the bottom switch supposed to ...
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2answers
313 views

Why neutral wire connected to load wire?

I opened switch box in the basement that has two switches: one for basement and other 3way switch for stairs. I wonder why white wire thet usually neutral connected to black wire that goes to another ...
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0answers
29 views

Switch Controls Outlet, Not Ceiling Light

When we bought our house, the switch to the ceiling fan did not work, unless pushed to the side, or pushed in before being used. It seemed to be a simple enough task to replace the switch. However, ...
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1answer
44 views

Installing smart switches, instructions don't match my wiring?

I'm trying to replace a couple switches with smart switches and the instructions provided with the switch I have (TP-Link HS200) don't match my wiring set up 100%. I'm thinking (hoping) I have the ...
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0answers
20 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
44 views

3-way switch wired with jumper between load and traveller

Background -- I've been replacing all the switches in my house with casetta smart switches. On 3-ways, I've been abandoning one of the switches and replacing with the lutron remote controls. The ...
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2answers
74 views

Can a Smart light switch be used for a Gas fireplace insert?

I have a gas fireplace that the on/off function is controlled by a light switch. The switch is connected to two wires only, a black and white wire. There is no ground wire. Can a smart switch be used ...
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0answers
39 views

Replacing fan/light with 2 wall with fan/light controlled by remote

I am replacing an old fan that runs off 2 wall switches. Switch 1 controls the light. Switch 2 controls the fan. The new fan has remote only. The power source is 2 wire (Black, White, Bare). The ...
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0answers
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Gardner Bender GET-3213 voltage tester that gave a strobing light on one of the light switches I was testing

I have a Gardner Bender GET-3213 voltage tester that gave a strobing light on one of the light switches I was testing. I removed the switch and tested just the wires and it also strobed. All other ...
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1answer
34 views

Adding a new switch with an independent light in an existing circuit - With photos [duplicate]

I have two switches at the bottom of my stairs in the basement. One switch is a three way to the switch at the top of my stairs. The other switch lights a series of lights all connected to the same ...
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1answer
59 views

Why doesn't my light stay on unless I wiggle the switch?

The light switch in my bathroom has been acting oddly the last month. When I flip the switch on, the light turns on, but doesn't stay on. If I wiggle the switch, it will stay on. Sometimes I barely ...
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1answer
50 views

How to wire a 2 in 1 paddle switch

I am changing a 2 in 1 switch that controls a light(top) and garbage disposal (bottom). They are controlled by different breakers. There was 3 wires in the old box. Black and red on top (different ...
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3answers
107 views

Why are light switch designs different between Europe and the US?

Every single home I've visited in the US has one of these two light switch designs: In contrast, homes in Europes usually have their light switches designed like this: Is there a practical reason ...
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1answer
37 views

Connecting new ceiling light in 1970 house

I am putting up a new ceiling light. There are 3 white wires and 3 black wires coming out of the ceiling. I tested them all and only 1 black wire is hot. How do I hook up my light fixture that only ...
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2answers
41 views

How should I connect a new smart switch to my wiring?

I think I have a regular 2-way Switch but there are 3 wires connected to it: 2 black wires going to the same screw and a red one going to an upper one. I'm not sure which wire is doing what. How can I ...
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0answers
22 views

How to get Condensate Pump to talk to Sonoff 4CH Pro R2

I currently have a WiFi water alarm triggering a Sonoff 4CH Pro R2 to kill my whole house humidifier. So I have some experience with triggering the relays and getting the two devices talking to each ...
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3answers
90 views

Is it acceptable to use a lighted switch with a switched outlet?

The bedrooms in our house in California each have a light switch that controls power to an outlet in the room. The switches are the single-pole type, interrupting the black/hot wire. Is it acceptable ...
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1answer
25 views

Installing 3 Eve Light Switches - one works, but two others just flash the lights every 6 seconds

I recently purchased three Eve Light Switches to smart-ify three sets of lights in my house. I installed one on a dining room chandelier (with 9 LED lights) and it works just fine. I tried ...
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0answers
81 views

Can Someone Help Me Identify This Switch?

I have a Swaby 5200 pump in my home, and I am hoping that someone out there might be able to suggest a replacement switch part number – or at least point me in the right direction. Pump model: 5200 ...
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2answers
277 views

Are Sonoff smart switches actually UL listed?

Sonoff is a system that comes up often on this stack. However, I notice it seems to be of unusually low cost, not available in retail shops, sold widely in the "dodgy side of the internet" (eBay, ...
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2answers
33 views

Light switch specs - max amps vs. watts

I’ve been replacing light switches in my house to Lutron switches, because I think they look pretty. I’ve noticed that Lutron sometimes specifies a switch as having max load of 600 watts, and ...
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2answers
49 views

Connect Sonoff and physical switch with a lamp

I want to connect smart Sonoff switch to lamp with physical on-off switch I want these all scenarios to work: when physical switch is off, I can turn the lamp on/off via sonoff switch when ...
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2answers
54 views

Outdoor light fixture not working

I am a newbie with anything electrical so please forgive my ignorance. All of a sudden, my front porch light fixture stopped working. Changing the light bulb didn’t work so I’m trying to figure out if ...
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4answers
652 views

New Switch for Outdoor Area Lights

I'm working on replacing an old rotary timer switch with a new smart switch, that controls two outdoor area lights. However after getting everything wired up, the switch is not turning on the lights. ...
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2answers
31 views

How to slave a new light to an existing pull chain light

We recently remodeled our house and had new outdoor lights installed. Well after the fact that only one works. We realized that the one that doesn't was on a pull chain. Well I'm not the smartest ...
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2answers
33 views

How do I wire a new light from an outlet, with power to the light box?

I'm trying to run power from an outlet box to a light and then to a wall switch to control the light. The outlet box is in the attic and I want to go from the outlet to the light and then from the ...
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2answers
69 views

Light switch shorted; can't figure out why

I swapped out a dimmer switch for another one. This was fairly standard, only two wires to connect, no ground (old condo). Turned the breaker back on, tried things out, the on/off switch worked, the ...
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1answer
46 views

Replaced a light switch and now it’s always on. Pops if you flip the switch

Replaced a light switch with a dimmer and now the light won’t turn off and pops if you turn the switch off. The box contains 3 black wires, 3 white wires, and a ground. Only one wire is hot, the black ...
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1answer
382 views

What Can Cause TP-LINK Smart Switch (HS200) To Light (LED) Flicker?

I have bought a TP-LINK (HS200) wall light switch to replace several switches. The first switch I tried is controlled an outlet that I have a a lamp connected to it. The outlet is configured as ...
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1answer
57 views

troubleshooting smart switch installation

Tried installing a Gosund smart light switch this weekend...didn't go so well. Got it wired up (I think) correctly - attached a picture of the rat's nest behind the plate and did some highlighting of ...
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2answers
73 views

Replacing Bath Fan Switch with Timer Switch

I want to install a timer switch (it has four wires, red (load), black (hot), white (common), green (ground) to replace one switch in a 2-gang switch box having five incoming cables (see first photo). ...
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3answers
53 views

How can I convert a single light/fan switch to separate switches?

I have a single switch for ceiling fan and overhead light. I’m looking to wire to a two switch plate so I can run independently.
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2answers
53 views

Half switched outlet, has both whites connected

I am replacing an outlet that is half switched, but both the whites are connected on the opposite side of the black and red. The white wires have the tab still intact. So I'm confused as to what the ...
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0answers
27 views

What is a 3-pole fan isolater and why would I need one?

In this answer a part was identified as a "3-pole fan isolater". It appears to me that this is like a "regular" switch that disconnects 3 lines instead of just one. Is my understanding correct? What ...
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1answer
35 views

Grounding on switch box

Hi all. Firstly, awesome site - learning so much, thank you all!!!! Mid-80's custom home in Florida. Changing out to some smart switches. Seems no ground in box, best I can tell? Was reading ...