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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3answers
79 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
votes
1answer
31 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 ...
1
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2answers
58 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 ...
0
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0answers
24 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 ...
1
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1answer
50 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 ...
5
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2answers
4k 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 ...
0
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2answers
51 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. ...
0
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0answers
22 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
0
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1answer
123 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
609 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 ...
6
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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 ...
0
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2answers
54 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 ...
0
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0answers
49 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 ...
0
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1answer
80 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 ...
1
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3answers
142 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 ...
1
vote
1answer
47 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 ...
0
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0answers
120 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 ...
1
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0answers
39 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 ...
2
votes
2answers
108 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
votes
2answers
62 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
51 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
48 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
46 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
votes
1answer
76 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....
0
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0answers
24 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 ...
0
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1answer
60 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 ...
4
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3answers
989 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
95 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
votes
2answers
56 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 ...
1
vote
1answer
56 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
votes
1answer
74 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 ...
0
votes
1answer
68 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
222 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. ...
1
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1answer
48 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
votes
2answers
80 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 ...
0
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3answers
81 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 ...
1
vote
1answer
76 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 ...
0
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1answer
50 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
votes
1answer
75 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 ...
1
vote
2answers
353 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 ...
1
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1answer
100 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?
0
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1answer
22 views

What does a single beep and one flash mean when using my Ames non contact tester

I have an Ames non contact tester. When get a single beep/light next to a light switch not a constant beep or flash. What does this mean?
0
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2answers
172 views

Fan and Light Switch Reversed

I have a switch in my master bedroom that my family replaced. The controls are switched. The fan turns on when you put the light switch on and the light turns on only when the fan switch is all the ...
1
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1answer
86 views

Can an arcing switch damage the breaker or cause a fire?

I live in a 1980s mobile home with light switches and breakers as in the picture. If the switch is arcing or if the switch is held between on/off for a few seconds can this damage the breaker? The ...
2
votes
1answer
86 views

Switches in other bedrooms turning on different lights after I put new light up

I recently put up a light in my bedroom but the switches in other rooms now turn on different lights, there are 9 wires altogether coming through the ceiling, 3 earth which are connected together, 3 ...
2
votes
1answer
214 views

Why is my smart switch tripping the breaker?

I'm trying to install some smart light switches into my house. I've had a little trouble doing it. The first one was in the kitchen. Every time I tried, it tripped the breaker in the main panel. I ...
1
vote
2answers
179 views

Black wire crossed with white in box

I was helping my dad install Alumiconn pigtails in his home when I spotted something weird in a 1-gang outlet box: a black wire shorted with a white wire. Alarm bells went off in my head, so I spent ...
0
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1answer
97 views

Dimmer switch back to normal switch

Original wiring To wire to this new switch Hi all, I'm trying to convert an existing switch back to a normal switch but it keeps tripping. Can some one give me some suggestion. I used the black (3 ...
3
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2answers
162 views

Nylon switch cover plate screws

Every time someone touches any of my light switches they get a static shock. I know the root cause is the humidity is too low, but until I fix that, I heard that nylon cover plate screws (vs the usual ...