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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
30 views

Shutoff switch before breaker box

I want to upgrade my 100 amp power to 200 amp. Under the new 200 Amp setup, can I install a switch that will cut all power to the hot bars in the box, say for lock-out, tag-out? Do they make a switch ...
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0answers
15 views

Converted 3 way switch to single pole. Disconnected traveler wire hot when fixture turned on

I converted a three way switch in my dining room to a single pole smart switch and plan to put a blank wall plate where the old switch resided. I identified the common wire and the two travelers (one ...
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1answer
35 views

3 way switch controlling outlets. Top working bottom now?

So I just replaced all the outlets and switches In my new house. A three way switch controls all 4 outlets in the living room. I broke the brass tab on one of the outlets and now only the top outlet ...
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0answers
32 views

No voltage after changing light switches

I turned the power off and replaced a few light switches... and when I turned the breaker back on, one of the switches on a circuit is not working. There are a few other switches on the same circuit ...
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1answer
56 views

Removing light switch permanently

I have a light switch that powers an outlet when it's turned on. I want to remove the switch, connect the wires and make the power in the outlet permanently on. In that case, what am I supposed to do ...
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2answers
110 views

Why are 3-way center-off wall switched so rare / expensive?

I'm looking for a switch to mount in an upstairs hallway that will control an attic/roof ventilation fan. The switch will select whether I want the attic thermostat to control the fan, vs manual-on, ...
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2answers
324 views

Wifi light switch needs neutral wire. Why? AND Can that wire be a skinny one?

What does the neutral wire do on a light switch that responds to wifi? My suspicion is that when the switch is in the off position, the electronics in the switch need to still be powered, so the ...
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2answers
54 views

Wiring a Split Outlet with Two Neutrals

I’m trying to replace a very old outlet in my kitchen. The garbage disposal and the dishwasher are plugged into this outlet. The top outlet is switched, but the bottom is always hot. Everything I’ve ...
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3answers
71 views

How to switch 40A timer used for outdoor lighting and direct 120V outdoor lighting

I am redoing my outdoor lighting and need to move 3 wall switches used for outdoor 120V lighting to a different place within the house. The issue is that the inground wire is 10/2 UF but the inside ...
2
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1answer
27 views

Replacing double light switch 4 black and one red

I hear a popping from one of my old double switches. I opened it up to understand the wiring before replacing. I have 4 blacks and 1 red. I have attached pictures. One of the switches controls a light ...
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2answers
44 views

What is the first step in fitting a switch to existing wiring?

Below is an image of cables previously connected to a double light switch at a building in the UK. The occupant wanted to know why there was an additional white cable and how to go about fitting a new ...
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0answers
23 views

1 switch - 2 Lights

I'm replacing a switch, in a mobile home, just to update and have a white one. I removed old switch, which was a self-enclosed box switch. What is the right way to wire it. I wired it up to new switch ...
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1answer
47 views

Remove switch that controls thermostat

I recently bought a condominium in a large building, built in 2005. It has a single thermostat, and the thermostat works fine. But right next to the thermostat, there is a switch. It looks like an ...
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2answers
3k views

Light Switch Terminals

I am replacing a light switch and found three black wires going to it. Two go to the screw terminals and one goes to the push terminal: I verified with a multimeter that the central and bottom ...
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2answers
48 views

New Fan Switch Question

My old switch does not have a white wire. Should I add one and attach it to the grommet inside the box? Also, in most diagrams, the black wire enters the box from the top an leaves from the bottom. ...
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0answers
20 views

Upgrade 4-speed pull chain fan switch

Can anyone advise how to replace a 4-speed pull chain fan switch with a capacitor, by a simple wall 4-speed switch? Thanks in advance for any support
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1answer
77 views

How do I wire one outlet and two separate light switches in a three-gang box?

I'm remodeling an older bathroom. I would like to replace a combination switch/receptacle with two separate light switches and a receptacle in a three-gang box. The white and black wires on the power ...
6
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2answers
604 views

Light Switch Neutrals: Bundle all together?

I am in the process of hooking up 2 GE Z-wave light switches. I've hooked up multiple smart switches but ironically only one has needed neutrals (these 2). They are both going in a double gang box ...
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4answers
6k views

Dimmer switch not connected to ground

I know just the basics of electricity and am trying to replace an older dimmer switch that broke with a new very similar switch. The old switch is not connected to ground. The new switch has the ...
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2answers
49 views

Additional wire on light switch with no 3 way

I recently changed my sons' bedroom light switch with Lutron smart dimmer. The house is fairly new and has not been remodeled. I have changed out about 3 other light switches without issue. This ...
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0answers
46 views

Why do my ceiling fans' light and fan switches suddenly seem combined?

I recently moved into an almost new house with 3 bedrooms, each has a basic ceiling fan/light with two wall switches. One controls the fan and the other the lights. Yesterday the switch that controls ...
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1answer
36 views

How can I tell if a dimmer switch is LED compatible?

I have recently put some smart LED bulbs into my ceiling fan (Lifx if the brand matters) and there is a bad humming noise. Previously there was some humming in at least one of the LED bulbs (they ...
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3answers
99 views

Melted switch replacement

Was taking a shower and smelled some melting plastic. Turns out that the switch to the heat function of my bathroom fan was the cause of the melting smell. That one switch is part of a box that has 3 ...
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1answer
43 views

No power in outlets after changing light switches

This is a room with a two switch board and some power outlets. One Switch was controlling the fan and other it's light. Outlets, switches and fan+light were all working fine until I wanted to change ...
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0answers
51 views

One box has 2 black, 2 white, 2 ground, and one red; the other box has 1 black, 1 white, 1 ground

I'm trying to connect two simple ceiling pendant lights, and my contractor put in a new single pole switch box with 1 black, 1 white, 1 bare. No power runs to it (checked it with the meter) so I ...
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0answers
33 views

Parallel Relay light switch

An existing light switch is to be augmented with a parallel Sensor Switch PP20 relay, which is driven by PIR (passive infrared) sensors. The current switch is a two terminal device and was wired into ...
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2answers
100 views

Single pole switch with lighting “zones”?

Somewhat of a challenge... I'm going from a single light to recessed lighting in my studio condo. There is a single pole switch that this single light is currently connected to. I'm going to install ...
10
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3answers
2k views

Lights are flickering on and off after accidentally bumping into light switch

During the night, I accidentally bumped into my light switch, jamming it in towards itself. Now, the lights in my room will sometimes flicker on and off very quickly when after turning on the lights. ...
2
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2answers
53 views

Replacing an old light switch with a new one. Trying to figure out correct wiring

My old light switch did not have the common labeled and just had two brass screw connectors. Coming in the bottom of the box was a black, a white, and ground wire. The ground was connected to another ...
2
votes
1answer
46 views

Adding a switch and receptacle

I have a pull chain light in my shed. Power comes in to the light. I want to add a switch to the light so I don't have to use the pull chain. Is it possible to run electricity down to a 2 gang box and ...
3
votes
1answer
43 views

Low voltage track lighting flashing at low frequency

I have two sets of track lighting on the same switch, and one of the tracks flashes at a low frequency at seemingly random times. Video of the behavior. Some relevant details: The two tracks are on ...
2
votes
1answer
43 views

Light and fan switches

I would like to have a double wall switch for the toilet where one switch (#1) turns on both the light and the fan while the second switch (#2) turns only the fan. Please note the light and the fan ...
0
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1answer
70 views

Does anyone make a 3 circuit switch?

I would like to run 3 separate 120 volt items 10.2 max amp per item using 3 separate circuits, but only have a single switch box to use. I have seen single circuit in 3 switch out, but want 3 in 3 out....
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0answers
20 views

Trying to replace a cracked light switch for my bathroom lighting

The existing light switch once I removed it from the junction box has three black wires. There is no white nor green for ground connected to the existing switch. I see white wires bundled in the back ...
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1answer
54 views

3-way switch and top only hot outlet troubleshooting

We're trying to fix some electrical issues done by our house's previous owners and while doing so, somehow we lost the ability to control the top half of our outlets using a light switch. Long story ...
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3answers
970 views

Convert two switches to a dual stack, and add outlet - possible here?

Here's the setup in our kitchen. On the left with two brown wires is the disposal switch. On the right is a switch for an over-the-sink light. I would like to put these into a dual (stacked) ...
0
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1answer
84 views

Why did my switch spark when I installed it in a metal junction box?

Okay, so I put in a new Wifi Light Switch. The box was metal and tiny, while the switch was big and all of the screws were on the bottom of the switch. Why did it spark and blow up? Was it because all ...
2
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2answers
53 views

Wiring new light switch

I am trying to install a motion activated light switch in my basement of my condo in the United States. On the switch it states that it's max load is 500 watts which should be plenty since the switch ...
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1answer
55 views

Need help identifying a light switch

At work we have some light switches that look like this, and I've seen similar ones at school and at other commercial offices. This one is installed in Vancouver, Canada The lights also have a motion ...
2
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1answer
52 views

Weird wiring in a 4-connection switch configuration for ceiling fan/light

I bought a new fan with an LED light, so the dimmer switch connected to the old fan has to be switched. When I pulled out the switch, I found a confusing set up. Wiring instructions The current ...
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1answer
63 views

Can a 3way switch provide a constant hot line to another unrelated load or switch?

I had some electrical work done but we were unable to test the lines and now the electrician is gone. To simplify the problem, we have two electrical boxes and two loads. One load (INSIDE LIGHT) will ...
2
votes
1answer
77 views

Two switches, one turns both lights on, the other just one of them

I have two separate lights in a room. And two separate switches (actually one switch and one motion sensor). I want one switch to turn both lights on, and one switch to turn just one of the lights on. ...
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1answer
47 views

Replacing Single switch with timer switch - Original two switches connected

I want to replace a switch with a timer switch, however on checking out the wiring the two original switches have a black wire connecting the two. The switch I want to replace is the rightmost switch. ...
3
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2answers
73 views

Replacing formerly half-hot converted to always-hot receptacles with NEW receptacles

I have four receptacles in my family room that I just replaced. These receptacles used to be half-hot. One of the previous owners converted them to always-hot by removing and capping the wires in the ...
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3answers
52 views

Wiring a light switch that only has one cable when the new switch (with neon indicator) has live and neutral both in and out

I am replacing a light switch with one including a neon indicator. There is only one cable to the switch but the new switch has live and neutral terminals for both 'in' and 'out'. Which terminals do I ...
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1answer
73 views

Do I need a neutral on the other end of a three-way switch?

I'm looking at adding a three-way switch to a room. I'll probably drop the hot and neutral into Box #1, but 12/2/2 (hot, 2x travelers and a neutral) is fairly esoteric cable (nobody locally sells it ...
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1answer
46 views

Light Switch Wiring, hot wire to lights

I have a light switch that has the black wire attached to the bottom terminal and the white wire attached to the top terminal. Is there any way I can add another light switch for recessed lights to ...
2
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1answer
70 views

Wire colours reversed on switch

I've just installed a new (1 way, ceiling pull cord) switch in my bathroom since the old one broke. When I came to change it, it was not wired the way I expected with the live into the COM terminal ...
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2answers
182 views

How can I combine two wall switches into one?

As you can see in the picture the top switch doesn’t work at all. The bottom switch is the one that actually works. How can I change this 2 switches to just 1 - when I would buy a brand new one ...
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1answer
99 views

Can anyone recognize these parts?

I was repairing/replacing a set of switches. Two brass metal parts fell out. I don't know what they are or where they came from. I don't know if they are essential or not. Does anyone recognize them?