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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
92 views

Strange Light Switch Wiring Question

So I am trying to replace an old light switch that has 3 actual switches on it. The top and bottom switch control normal 2-way switches that control one fixture. The middle one is a 3-way switch ...
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3answers
2k views

I need to switch between two 240V 30A loads

I've got a situation where I have a 240V 30A dryer line, and I want to power something else from the same circuit, but NEVER at the same time as the dryer. I'm looking for a switch to use, like a DPDT ...
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0answers
72 views

New Switch and Light Won't Work

OK. So I had a kitchen ceiling light. too big. Took it out and put in a light w/ enclosed fan. Light worked on a single switch. No biggie, light/fan comes w/ remote. Excellent. New light works on same ...
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2answers
667 views

need wiring diagram for a bedroom

Wiring Diagram for bedroom needed. I will have one ceiling fan with light controlled by a three way switch then from the ceiling fan unit need power for two independent switches to control led light ...
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1answer
69 views

3 Way Switch Wiring Weirdness

Setup: Two Switches for one light, one downstairs and one upstairs in a stairwell. Old Switch Wiring (black is in common of switch)( same type of switch upstairs) New Switch: Lutron Maestro Motion ...
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1answer
142 views

What year did the NEC (US) require all new construction switches and outlets to have ground screws?

I just opened up the garbage disposal switch in my condo built in 1977 in the US. I believe this is the original switch, and therefore I will be replacing it right away with a new switch that has a ...
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1answer
47 views

Replacing dual light switch

I’ve the following set of wires: And this dual light switch: The switch controls light and fan, how to connect it to those wires? Update The old witch was connected in the following manner:
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1answer
132 views

Wiring Smart Switch to Always Be On and Power Switch

When using an Insteon 6/8 scene switch with smart wifi lights like a Lifx/Hue, would like to program the on/off buttons to a scene to turn the smart light on and off via software. That I can do. ...
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1answer
55 views

New light switch not working

My old light switch in a bedroom stopped working, and only worked when the switch was pushed and held in the on position. I purchased another single pole switch. Upon taking the old switch out, I ...
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0answers
37 views

How to protect breaker box wall from punctures

In my basement and the breaker box for the house is in the garage and backs up to a bathroom. The box and main wires are very close to the bathroom wall and I was afraid someone would go to hang a ...
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1answer
53 views

Adding double gang switch for two different lights?

I have power coming into a light fixture and down to the switch. I want to add a double gang to put in a second switch that would turn an outlet on/off in the bedroom. What is the proper way to take ...
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1answer
25 views

How to install remote switch for ceiling fan?

I had an electrician come out to look at the in-wall remote switch for my ceiling fan that wasn't working. He took it out and recommended buying a new switch. Problem is, I don't know how it was ...
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4answers
142 views

How to mitigate voltage drop?

I currently have a sump pump in my basement that is normally powered by plugging it into an outlet. When we lose power, I have a 100 amp hour marine deep cycle lead acid battery along with a 1200 watt ...
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2answers
668 views

Jumper cables for power inverter?

I just recently got a 1200 watt power inverter as a temporary backup for my 1/3 horsepower sump pump. The sump pump is rated 8 amps at 105 volts so I believe the max power it uses is 960 watts. I used ...
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2answers
49 views

Combining 3 wall switches, which are currently in the same box

These 3 switches are sharing the same hot wire in the same box. I want to combine them into 1 switch that will control all 3 lights. The lights are basic outdoor porch lights and are each on separate ...
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1answer
851 views

Installing an “In-Wall” Light Timer, But it calls for“Load”, “Hot”, and “Neutral”

I am installing a new wall light switch timer, but in addition to my ground, Hot, and Neutral wires that are currently running to the old switch, this new one requires a "Load" wire too. I tried ...
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0answers
80 views

Powering one light switch from another

i have two single pole switches about 12 feet apart with power coming in to one switch. I want to connect that power to the second switch. I did it using diagram attached. It works. (I use connectors -...
2
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1answer
98 views

Switch Plate too Thick

I just bought this switch plate. Problem is, it has a thick rim on the back, so that it sits about 3/32 of an inch further out from the wall than a "normal" switch plate. The switches are flush with ...
3
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2answers
4k views

Extending power from existing three-way switch circuit

I have 2 circuits of 4 lights connected via two 14/3 cables to two sets of switches that on/off each circuit. Power comes in at Switch1/circuit 1. All works fine. I want to extend power from second ...
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2answers
1k views

Bathroom Wiring - Existing light - Add Bath fan - Add gfci outlet

I have a single light fixture in my bathroom on onw switch. The room has no fan and no outlets. I want to add one fan, and add one gfci outlet. I have two ideas. Looking for pro / con / feasibility +...
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0answers
150 views

Replacing dimmer switch with 3 way switch

I've currently got a dimmer switch which I'd like to replace with a standard 3 way switch. It looks like the following: https://photos.app.goo.gl/Wm4kwdZXYhlQlPlp2 https://photos.app.goo.gl/...
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2answers
73 views

Wireless Track Light Switch [closed]

My goal I want to run a single track light rail all across the entire ceiling (about 38ft) in my family room using one junction. My problem I also want the ability to turn off certain light segments, ...
3
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1answer
254 views

Baffled by 3-way switch wiring

I am the new owner of an old, WWII-era home. The previous owner rented the property out for many years, and upkeep seems to have always gone to the lowest bidder. Among other things this means we have ...
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1answer
51 views

How should I connect my new WiFi Smart Switch?

Installing WiFi switch on the last switch to the right. Where do the 2 black and 2 white wire connect. See existing wiring in picture below:
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1answer
6k views

Can I wire 3 lights to one switch as illustrated by this mock up diagram?

I'm looking at lighting a kitchen in a wood cabin and to try and make the wiring (which will sit on the outside of the ceiling) as neat as possible, I'm wondering if I can wire 3 separate lights in ...
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2answers
1k views

Is it safe to replace a Furnace pressure switch with a different one?

So I had some problem with my gas furnace and a technician came by to install a new one but it doesn't have the same rating and only has one tube instead of two. He assures me it's fine but I thought ...
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1answer
3k views

2 wire lamp cord - which one is live?

I'm replacing a feed-through switch on an IKEA (Canada) floor lamp. Its using an SPT 2 cable (photo attached). Both wires have the same insulation color and both are copper. Neither is ribbed (as far ...
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1answer
79 views

How do I ground this metal switch faceplate? (UK electrical)

I'm replacing a plastic light switch with a metal one - so need to ground it. Have done this before - where backbox has been metal, so easy to run a flywire from switch to grounding point on metal ...
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0answers
47 views

Electrical: Lighting Fixture Switch Wiring Predicament

I'm looking for help with a peculiar (at least to me) wiring situation involving my dining room ceiling fixture. I've managed to replace most of the fixtures in the house, but this one is giving me ...
2
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1answer
92 views

Replacing single pole switches with 3way switches

Have 4 lights on circuit 1 to single pole switch with power. Have same setup for second switch. Want to replace both single pole with 2 3way switches so that at each switch i can turn on/off each set ...
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2answers
3k views

Old switch has four wires and no discernable ground

I am trying to install a decora smart switch for my front home lights. The switch is in a box with the hall light switch and a switched outlet switch. I think the front lights switch is a single pole ...
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1answer
42 views

Using UK switches in Slovakia

I have checked Wikipedia to compare electricity in the UK vs Slovakia, see: Country PlugType PlugStandard Residential voltage Frequency Comments Slovakia C, E STN 34 ...
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1answer
1k views

Ceiling junction box has 6 wires?

On my kitchen ceiling, there are two light boxes controlled (I hope?) by one dimmer switch. The boxes are connected to the far wall (opposite the switch) by a conduit that runs along the ceiling; ...
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0answers
459 views

2 black, 2 white, 1 red wire + switch

Mystery switch question: Have a switch with 2b, 2w, 1r wire in it. When ‘off’ it turns off a branch of the circuit that powers my office, bathroom and closet (all close to each other). When ‘on’ ...
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2answers
148 views

Is this 110V switch “safe”?

This would presumably be installed in a door jam to turn a light on/off when the door is open/closed. It works on 110V with a maximum current of 2A. All of that is fine for my application (125mA LED ...
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2answers
1k views

Digital Switch for Gas Fireplace

I have a Lennox MPD3530CNM-B fireplace. It is controlled by a standard toggle switch on the wall. I can turn on and off the fireplace even when there is no power. It looks like my fireplace uses a ...
2
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1answer
128 views

Can a digital wall timer be used with a baseboard heater?

Can the Eaton PT18M-W-K (1800-Watt 15 Amp) timer be used for a 1500-Watt baseboard heater? According to the specs, the answer appears to be "yes". However, "heater" is conspicuously absent from the ...
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2answers
150 views

Why does my light box have 2 cables for this one switch?

Took down a ceiling fixture and discovered what looks like a possible switch loop, except I don’t understand how the connection gets completed with the current set up. Basically, 2 lines coming into ...
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1answer
1k views

Bathroom exhaust fan wiring issue, power to light then switch?

I am installing a new exhaust fan into my bathroom. I plan to use a 2 function rocker switch to operate the fan and light independently. The power passes through the light first, and then to the ...
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1answer
4k views

Bypass a three-way switch for the next single pole switch in the same circuit to work on a different light?

Is there a way to bypass a three-way switch for the next single pole switch in the same circuit to work on a different light? I have four lights on one circuit with two of them on three-way switches....
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2answers
497 views

light switch conversion 3 gang to 1 gang

I have a three gang box, dimmable, switch, switch. I want to use a wifi capable switch, but it comes with all three switches in a single gang switch. How do you use the existing 3 gang box with only ...
2
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3answers
1k views

How to replace a light fixture that has a 3-way light switch

Box] I have a light fixture above a stairwell. There are two live switches that control it, one at the bottom of the stairs, one at the top. The wiring is relatively new about 25 years old (all copper,...
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0answers
44 views

Replacing a smart light switch with a standard one

I’m trying to replace a lightswitch but there’s some unusual wiring inside the box. It looks like there are three sets of wires coming into the box. Black/White, Black/Red/White, and Black/White. I ...
2
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1answer
119 views

How can I be sure a wire is truly neutral?

Most sites I find tell me how to distinguish the neutral wire from the live wire. Basically, you find the one that has current and the other one is neutral. That's all fine and dandy when you only ...
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1answer
705 views

changing a single switch to double switch with only 1 black wire

I have a single switch and an outlet in a box in the bathroom. I am installing a bath fan and would like to operate the light and fan separately. I have a double switch. The trouble I am having is the ...
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2answers
6k views

Adding Light to Existing 3-Way Switch Configuration

I currently have a 3-Way light setup like the one pictured below but I want to add an additional light to the circuit on the right hand side switch. I can not add any wires between the two lights as ...
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0answers
87 views

Installed smart switch but nearby circuit keeps breaking

I just installed a smart switch (Leviton Decora) in my garage and the switch works fine. But I soon noticed that the circuit controlling outlets in the closest room to the garage keeps breaking. I ...
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0answers
37 views

How should I connect a new smart switch?

So I am planning on installing a GE smart switch on my kitchen light. I turned off the power at the circuit to the light and pulled the switch out and tested with my non contact voltage tester and ...
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2answers
4k views

Light with 3 way switch does not work. Need help!

I have a 3 way switch with Source at First Switch and Light Between (same as below diagram) I opened light fixture to pained the wall and after putting the light it did not work. I have tried ...
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46 views

My tv screen goes black and back on when i open the door

I moved into a house and i noticed that whenever anyone opens the outside door my tv screen goes black and back on couple times. I have laptop connected to tv. Nothing else is affected but the tv. ...