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
41 views

Two light switches do not work

I recently changed a timer out in 3 switch "bank". In changing out the timer I accidently touched the Common from the timer to another light switch. It short circuited. Since that time the timer works ...
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1answer
51 views

Need help identifying function of odd looking switch/connection/??? mounted to 2nd story Fascia

This photo is zoomed in on a gang box that is mounted to the 2nd story exterior Fascia of my buddy's log cabin. We are trying to figure out what this is for as neither of us have seen this before. ...
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3answers
172 views

How do I connect the two cables entering a switch box for a light?

I removed the original light fixture from the side wall which was not connected to a light switch but had a button that turned the light on and off on the fixture itself. I took the original wire in ...
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2answers
172 views

Electrical wiring brown and black only

I want to change the classical electrical switches in my newly purchased house to smart switches and I am very confused in regard with the electrical wiring carried out by the home developer. The ...
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0answers
27 views

How to remove one of the three switches for my foyer light fixture

There are 3 light switches controlling my one foyer light fixture. I need to remove one of them (disconnect and cover with a solid faceplate), but keep the other two working. How do I do this?
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1answer
244 views

How to install GFCI combo switch and outlet using Romex and only 2 wires

I had a combo GFCI outlet and switch that went bad in my bathroom. The outlet worked even if the light wasn’t on. I bought a new GFCI combo switch and outlet. I had several electricians come to ...
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1answer
44 views

Dimmer dims the lights about once a second

I have a dimmer (Richmond/Zano GRID500) that, when turned up to full brightness, dims the lights on and off at a rate of about 1 Hz. Turning the brightness down just a bit makes the blinking stop. ...
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1answer
67 views

Possible to buy this switch for my lawn mower? [closed]

My corded electric lawn mower stopped working today. I'm pretty sure it is the switch pictured below since I can read voltage before the switch but not after. My lawn mower is old enough that I can'...
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1answer
971 views

Can I add a light fixture (with a switch) to an existing switch/outlet circuit?

I'd like to drywall/finish the 'closet' under my stairs, but I'd like to add a light fixture with a switch inside the closet first. Inside this closet already, the back of an outlet box and the back ...
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0answers
79 views

Any ideas as to what this is?

This is in a house my daughter bought and no one knows what it is for. It is a 1930's house. Has a switch on it that when you flip it a red light flickers on for a second and nothing else seems to ...
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2answers
51 views

GFCI with a light switch off the load trips when switch is off

I'm at my troubleshooting limit, double checking all the grounds, caps are tight and no cross wires. If it tripped as soon as I turned the light switch on it would make sense but it's not until 15+min ...
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1answer
43 views

Choosing a Switch Based on Amperage

I will be replacing a light fixture that had a switch built in and was operated independently from any wall switch. Rather than limit myself to the very few light fixture options with switches built ...
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1answer
961 views

Light switch using only black wires - Incoming whites terminate together in box - New timer switch requires white neutral

I want to replace a simple single pole light switch with a timer switch, which requires red, black, white, and ground. The existing switch is in a triple box, where all three switches have only blacks ...
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2answers
108 views

Diagnosing Loss of Power in Bedroom

We have no power to our downstairs bedroom. We had the lights on, and a heater plugged in to the outlet. A family member turned off the heater, and unplugged it from the outlet. When she unplugged it, ...
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2answers
91 views

How can I switch my standard outlet to a GFCI?

I have a standard 2 receptacle outlet in my house. I am trying to switch it to a GFCI. I realize GFCI has load and a line side. There is also a switch in my room that is tied into this outlet (and ...
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1answer
231 views

AC disconnect box flush with clapboard siding

I'm looking to install an AC disconnect box to the side of my house, however the clapboard siding wont allow it to sit flat. I plan to run romex through the punchout in the back and straight into the ...
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1answer
491 views

How can I continue a circuit from a light switch through a light using 12/3 cable?

I'm remodeling my master bedroom, and in the process I have to fix some shoddy electrical work from previous homeowners. It seems that they tapped into the existing circuit to add an exterior flood ...
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2answers
48 views

Is it any relevant the energy consuption of IOT and RF receiving home devices?

I am designing and building my own house. I am very interested in automatizing several devices as blinders and lights. In general, I am thinking in using Zigbee (Xiaomi and Aqara), RF and IR devices. ...
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1answer
211 views

Replacing two-switch, combo paddle light switch?

I thought this would be simple but of course I'm in over my head. We have a two button (paddle style) light switch in the bathroom. The top turns on a ceiling light and the bottom turns on a heat lamp ...
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1answer
29 views

In a one-way dimmer, can C and L1 terminals be swapped?

In a one-way dimmer switch, does it matter which way round the C and L1 terminals are connected (both electrically and in terms of UK wiring regs)? For context, I have a dimmer that's wired the ...
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1answer
53 views

Kitchen dimmer dims lights in adjacent room, but not always

I have a weird wiring fault. The kitchen and the dining room each have dimmer switches that work fine individually. However, if the dining room dimmer is on and within a certain range of positions (...
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1answer
857 views

Make outlet controlled by switch, constant hot

I have one outlet controlled by a switch. I would like to make it constantly hot. I also have a ceiling fan which is always hot and would like to have that controlled by the switch (later). For now,...
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0answers
49 views

5 way wiring question

I’m changing light switches to decora from toggle. I have 4 switches to one light fixture where 4 of the 3 switches have 5 wires and the 4th switch has 3. 1: 2 red 2 black 1 ground 2: 2 red 2 black ...
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3answers
96 views

How to reset the breaker on this smart dimmer light switch (switched receptacle)?

My condo came with these dimmer switches. You push once on up or down to fade the lights in or out fully, or press and hold to fade the lights slowly, releasing to set the light amount. I don't know ...
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1answer
500 views

Can I connect a Lutron Caseta switch to a half hot outlet?

I recently installed a Lutron Caseta (PD-6ans) switch that connects to a half-hot outlet. I noticed there is still a trickle of electricity coming out of the switch even when it's off. Enough to make ...
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2answers
110 views

Light switch position in the room

I'm trying to place a light switch in a sensible place in a new room being built as part of an extension. I know that according to the building regulations, the switch must be at least 300 mm from ...
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1answer
58 views

Black wire x3, white wire x3, ground wire x3.

I took out a ceiling fan in a bedroom. I didn't pay much attention to how it was wired up because I've replaced 5 ceiling lights in the house previously and they've been without issue. My issue on ...
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0answers
280 views

3-Way Switch won't turn on lights if dimmer is set to low

I just added 5 dimmable recessed lights to my living room. I'm certain it's powered correctly. Incoming power hits the 3-way dimmer switch. Both traveler wires head to the other 3 way switch (non-...
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0answers
24 views

Heater/Light/Vent switch question

I'm a homeowner. I had an electrician install the rough-in and I'm installing the outlets/switches/lights etc myself. Bathroom has a H/L/V and the electrician wired the switch so I could use 3 ...
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1answer
75 views

Ceiling light won't turn off

A living room ceiling light was working this morning. I wiped around the switch on wall with damp duster and now it won't turn off. As I am elderly and disabled I can't do anything other than try to ...
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1answer
85 views

Wiring Question - one switch, two lights

Hopefully straightforward wiring question, but I can't seem to figure it out. In my kitchen we have two ceiling light fittings. One has white, black, & copper wires, the other had white, black, ...
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2answers
912 views

What to do with dimmer ground wire?

I am replacing an old dimmer switch with no ground wire with a dimmer switch that has a ground wire. The metal box in my wall is grounded, but there is no ground screw or anywhere else to attach the ...
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3answers
97 views

How bad is it for my A/C unit if I cut the power while it's working?

I have a rental apartment with two a/c units. I installed magnetic contacts on the windows of each room and a small module (a sonoff basic flashed with tasmota firmware) that shuts off the a/c relay (...
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0answers
19 views

Bathroom vanity works with some lights in some positions

I installed a Lutron Caseta on-off switch (non dimmer, will edit with model number if required) to control a bathroom vanity with 2 fixtures each with two lights. For a long time I found putting a (...
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2answers
64 views

Replacing 4 Way Switch

Trying to replace which has 2 white wires, 2 red wires, with , which is labeled with in and out holes. This is not correct, but I am not sure which way it should go or which wire is which! Any help ...
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2answers
52 views

Double Switch but only Two Wires

I'm trying to switch from a single switch to a double switch so I can turn on my fan and light separately. I've got one hot switch and one other black wire. The white lines are tied together so I'...
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1answer
88 views

After accidental contact with ground wire, hot wire is dead

Was trying to install a new light switch and the ground wire came in contact with the hot wire. There was a spark, and I believe shortly after that the hot wire is no longer hot. Circuit breaker in ...
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1answer
333 views

Grounding my 4 gang metal electrical box

I have a 4 gang metal electrical box with a receptacle, a fan switch, a light switch and a timer for a towel warmer. The honeywell timer does not require to be grounded. For the receptacle i would ...
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2answers
488 views

Why douuble pole switch must be used for water heater? [closed]

I read from some notes stating that 1 way double-pole switch must be used for fixed heating appliance where heating element can be touched. What is the rational behind that?
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1answer
245 views

Replacing Light Fixture with Extra White Wire

So I took off a broken chandelier and wanted to replace with a simple flush ceiling light. When doing so, I found two black and two white connected properly, but found a lone white wire that was ...
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1answer
818 views

wiring 4 gang light switch

I bought a Wifi enabled light switch to smarten up my living room but i cant figure out how to wire it. Here is the back of the original switch: And here are the wires from the socket: Finally here ...
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2answers
58 views

What Kind of Outlet Allows 1 In-Wall Light Switch w 2 Outlets to Control 2 Sconces w Semi-Independent On/Off Buttons & Outlets on Each?

I have a bathroom light switch with two outlets and one light switch. The switch turns on/off two wall-mounted sconces. Both sconces have their own on/off buttons and an outlet. The buttons on the ...
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0answers
44 views

How to identify which wire is associated with switch?

I have two ceiling boxes in my kitchen, when I moved in one was already hooked up to a light and a switch. When I opened up the second box I saw 4 cables in the box, all of which passed though box ...
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0answers
41 views

Lighting neutral

Can anyone explain about lighting neutral wires (blue)? I have a 3year old house, which has blue wires in the back boxes. I am assuming that this is the neutral. On my current 1 gang 2 way switch ...
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0answers
169 views

Wifi Light Switch won't fit in my electrical box

I am fitting wifi light switches. My back boxes are square metal, but the dimmer switches are all round euro style. Is there a way to utilise these without repairing the wall. Perhaps a converter ...
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0answers
55 views

Odd light switch

Our (former) painter painted over all of our outlets and switches and so I am swapping them out. All was going well until I came across an odd light switch that is puzzling. First off, it is for a ...
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2answers
1k views

Can I ignore the neutral wire in a switch box?

I'm replacing a smart light switch with a regular rocker switch. It looks like the previous owners had a neutral wire pulled down for the smart switch, making a total of 2 black wires, 1 white (...
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2answers
225 views

Help with bathroom timer and light switch install

I’m fairly new to doing my own electrical so be gentle if this is a simple question. I’m trying to install a fan button timer along with a new rocker switch for my bathroom. In the image below the ...
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1answer
48 views

Had light/fan on single switch. Want 2 single switches, one controls light, one fan

I put in double gang box, second switch, ran second cable from light switch to ceiling. So there are two identical cables from switch to fixture. The existing switch had power in to it. So i need to ...
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1answer
583 views

Combine wireless and manual 3-way light switch

I want to combine a wireless 3-way switch with a manual 3-way switch, and want my server at home to know when my light is on or off (this is the tricky part). And when I say wireless 3-way switch, I ...