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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
46 views

How do I wire this light switch?

In particular I don’t know what to think of the gray wire. Most resources online suggest gray is neutral. If I treat gray as black I would go black to black, grey to red, red to red/white, green to ...
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2answers
86 views

Is there a way to use timer switchers and dimmers that were designed for incandescent bulbs with LED bulbs?

I have an older light timer that controls my porch light. It draws a small amount of current to keep running by feeding a small amount of current through the bulb all the time. In the days of ...
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2answers
259 views

Can someone tell me what/how there are 4 wires on one switch and if they're necessary?

So I'm swapping out this old switch for a new decorative paddle one and found that it has four wires attached. Two black attached to the bottom right, one black to top right, and one red on the top ...
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1answer
60 views

Can a smart switch work as a conventional switch?

Sorry for a silly question but I am very limited in my electrical knowledge. We have recently moved into a new house in Australia equipped with a control system for the lighting and heating. All the ...
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1answer
74 views

Ceiling Fan/Wiring Issue

Alright folks - here's my issue. My house has a ceiling fan that worked for a bit when we moved in...then stopped. I assumed the fan itself (a cheaper contractor model) just went bad. I went and ...
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1answer
91 views

3 way switch to 4 lights rewiring to 15 LEDs

Have a basement with 4 beams that had 2 lights in bay 2 and 2 lights in bay 4. Dropping ceiling and want 3 LED lights in each bay. Can I run 3 new 12/2 wires to bays 1,3,5 which will be spliced to the ...
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2answers
36 views

How to replace pull-switch on ceiling light?

The pull chain broke off the switch in my closet ceiling light. I bought a replacement switch, and was going to replace it, but the lead connected to the light fixture appears to be riveted to the ...
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0answers
227 views

Sonoff switch with override wall switch

I have a fan, a light and two sonoff basic devices to control them. As sonoff can only work with internet, I thought it would be a good idea to be able to fully override the controls with separate ...
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2answers
103 views

New light switch causing other switches to not work

I'm by no means a professional but I've switched out plugs before (we wanted white instead of almond) so I thought installing a new zwave light switch would be the same. I installed it fine, the ...
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1answer
1k views

Does a ceiling fan have to have a wall switch

I have a three gang wall plate with switches. One switch controls a receptacle in the living room, for a lamp. There is no room to add a fourth switch to control a ceiling fan. I'd like to add a ...
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2answers
95 views

Light switch not working; both outlets are always hot

I have a single pole light switch with a hot red wire secured at the top and a hot black wire at the bottom. I then have a handful of outlets wired with the metal tab broken separating the hot red ...
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0answers
301 views

3 way switch doesn't work with ceiling fan

This is my 3-way switch arrangement with a ceiling fan+light in my living room. The 3-way switches do not turn on/off the ceiling fan at all. The switches themselves seems fine, and there is 120 ...
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45 views

Functions of 3 position toggle switch on central vac with power head

I am trying to find out what should happen when each of the three positions of the rocker toggle switch are selected on my central so called "gas pump" handle of my central vacuum unit equipped with a ...
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1answer
60 views

How to wire switch to ceiling fan

The picture is how the wires are arranged in the ceiling and on the wall switch. My ceiling fan currently works by pulling the chain on it directly, but the wall switch doesn't work under any ...
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3answers
78 views

Can I splice the common wire of two different circuits in the same junction?

I have a single 4way run that shares a 2 gang box with another circuit. Both circuits run off of the same sub-panel. Is phase an issue here? I can't seem to find anything that indicates whether or ...
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1answer
44 views

Switching from dimmer to single pole, how would I do this?

I haven't seen something like this before and was wondering if anyone had any idea how I would switch something like this to a single pole light switch.
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2answers
356 views

Install Smart Switch - Neutral wire from adjacent switch?

There are two switches that are side by side. The one I'm replacing with a Smart switch does not have a neutral. The adjacent switch is a 3-way switch and it does have a neutral. Can I share the ...
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1answer
79 views

Can I remove individual conductors from a 12/2 cable to act as jumper wires for a switch?

I need small extra wiring to extend from the switch box to the switch. Can I just strip the wires from the 12/2 to do this? Is this against any regulations?
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0answers
184 views

Replacing 2 pole switch with 2 single pole switches to control a fan/light separately

I have a switch (Double pole / One throw) that controls the ceiling fan and light in my master bathroom (B1). I'm considering to replace it with two single switches, so I don't need to turn the light ...
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4answers
256 views

Calculate conductors for box fill

I have a 5 gang switch box I'm trying to calculate how many "conductors" I can have in it. Basically my main question is, do wires that originate and terminate inside the box count as +1 each (wires ...
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2answers
2k views

Smart switch wiring with no neutral

Long time reader, first time poster. Working on updates for our new house and I bought a few lutron caseta switches the other day to wire up in our front entryway. I went with the PD-6ans which ...
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1answer
795 views

adding light switch to an existing circuit

I am converting a sitting area off our master bedroom into a walk-in closet, which requires me to add two separate switches (one for ceiling lights, one for a pair of wall sconces). The previous set-...
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4answers
462 views

how specific must rocker switch specs be?

My son has this little car he drives around and the reverse direction stopped working. I took it apart, did some hard-wiring tests and found that the switch was failing (both gear work if I hard-wire ...
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1answer
76 views

Simple switch wiring

Apologies if this is a stupid question, but I can't figure out a simple wiring setup. I have two simple switches controlling two separate lights, all on the same circuit, all in one electrical box. ...
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4answers
110 views

Indicator with two-way switch

We have a two way switch for an exhaust fan. The fan is out of sight from the switches. So, the problem we face is we have no clue if the fan is on or off looking at the switch. I tried to see if ...
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1answer
214 views

How to Wire Fantech FR100 in-line exhaust, venting two bathrooms with Two TopGreener TDHOS5 Humidity Motion Sensor switches

The Fantech FR100 fan requires Neutral & Load. That's easy enough, and the multi-switch diagram shows just a black from each switch. The TopGreener (really Enerlites) TDHOS5 requires Neutral &...
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3answers
91 views

Need an extension cord with lever or magnetic switch

I'd like to put an appliance in a tall pull out drawer in pantry. Ideally I want it wired so that it only receives power if the drawer is pulled out - once the drawer is pushed in, power is cut to ...
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3answers
309 views

Whole house fan timer issue

Our whole house fan timer counts down as it should but when it nears the 'off' position, it stops there and never shuts off. Is this likely an issue with just the switch itself (eg I just have to ...
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1answer
93 views

Three-way switch puzzle

I have an outdoor light controlled by a pair of 3-way switches, A and B. The switch B is much closer to the light. Here are the behaviors I observe. During the day: A: Up B: Up or Down Light:...
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2answers
448 views

Multi gang switch boxes - Is it okay to keep the same branch neutrals separated for the different lighting/switching circuits?

I recently learned from this community about the importance of keeping currents balanced in each cable. In other words, current in one direction should be canceled by the same amount of current ...
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0answers
572 views

garage breaker keeps tripping

I tried to upload a pic but the it says the size is too large🤨 So my breaker tripped the other day when I plugged in a set of lights. I unplugged them reset the breaker and the switch/plug combo I ...
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1answer
41 views

Installing recessed lighting using a switch that used to power on/off a duplex outlet

So I have a duplex outlet that is powered on/off (both receptables) by the living room switch. The outlet is only connected to one white and one black wire, so I'm assuming the electricity ends there. ...
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1answer
53 views

Replacing regular switch with ceiling fan switch

looking to replace a regular switch with a ceiling fan switch which has separate dimmers for the fan and light. Allegedly this was wired to be able to do this. The old switch has a red wire, a black ...
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0answers
452 views

LED light stays on even when float switch is OFF

I have a horizontal float switch that turns a red LED light on when the water is too low. My equipment is: Float switch Plug LED light My wiring is: (220v) <= Plug (wire1) <------------------...
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1answer
85 views

Removing switched outlet and 4 terminal outlet with 2 terminal outlet?

I've read a number of questions about this topic, but I haven't found anything that seems to fit my situation. Basically, I want to undo a switched outlet (full-hot), and turn it into an always-hot ...
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2answers
2k views

My light switch has five wires?

I changed a switch in my room with a Lutron dimmer. The switch was sharing the same receptacle as 2 other switches. I pulled it out of the wall and there were 5 wires coming out of it - red, white, ...
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1answer
85 views

What is the function electrical device?

What is the function of the device in the picture. Unfortunately, I did not make a full diagram of how it was wired, but the hot and the corresponding neutral were connected by crimp-on leads on the ...
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0answers
52 views

Can I replace this switch with a 3-way switch?

I want to replace the on/off switch for our attic fan, and this is the only switch in the house that I’m aware of that operates it. The wires are red, white, and black. Will a traditional 3-way switch ...
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1answer
122 views

Three Way Switch Works With Power Off

I have a switch box with 3 switches in it, each powering a different light. All three switches are supplied by pigtails from one incoming cable. Two switches are simple single pole switches and when ...
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2answers
216 views

New style ground attachment

While reinstalling a switch I noticed that the ground lug is different. It contains a hole just large enough to fit a #14 wire. Wondering what the recommended technique is to use this?
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4answers
4k views

How do I add an on off switch to the power cord of a 2 wire AC motor

complete novice here so please take that into account when responding. I want to add an on & off switch to the power cord of an AC motor so that I don't have to unplug it from the wall outlet ...
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3answers
640 views

3 way circuit with voltage in the off position

I have a 3 way circuit providing current to 4 recessed LED lights. When the switches are off, the LED lights still burn very dimly. Approximately 23 volts in one of the fixtures. What causes this?
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1answer
95 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
78 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
805 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
72 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
185 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
48 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
177 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. ...