Electrical device used to open and close an electric circuit.

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1answer
19k views

How do I wire a GFCI/Switch Combo?

I'm replacing an old GFCI/Switch combo. In the old one there are two wires coming into the line side, a hot wire and a neutral. On the load side there is one wire leading up to the lighting fixture. ...
15
votes
3answers
42k views

How should I rewire a miswired 3-way switch?

I have a 3 way switch that was wired incorrectly when the switches were replaced with a different color switch. Is there a methodical way for me to identify which wires represent which piece of the ...
10
votes
1answer
8k views

How exactly does a 3-way switch work?

I just finished replacing all of the switches and outlets in my apartment, after fighting a long war with a weird 3-way switch. Needless to say, I won, but I'm still trying to grasp the concept of how ...
6
votes
1answer
547 views

What do I need to replace 4 light switches on the same circuit?

So we have a single light in our living room that can be turned on/off from four different switches at various entrances to the living room. We're currently replacing all the switches in our house as ...
7
votes
4answers
1k views

What should I do with a double gang box if I no longer need two separate switches?

We're relocating our TV to a side of our living room that has a power outlet controlled by a wall switch. The switch is part of a double gang box (1 switch controls the porch light, the other ...
32
votes
8answers
19k views

When I turn down the dimmer switch on my lights, do I actually use less electricity?

My wife and I have several lights on dimmer switches throughout our home. We generally prefer the ambient lighting provided by dimmed lights. I am curious, though, if we are saving any electricity by ...
7
votes
5answers
3k views

Why do electricians prefer not to use the push-in connections on receptacles?

Why do electricians prefer not to use the back-stab or quick connect holes on switches and receptacles? If these were unreliable do you think they would be allowed by the NFPA and NEC?
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votes
2answers
4k views

What about a light switch in the closet?

Okay you guys I have next question. And like all good questions this one begins with a story. I was reading the post about a nick in a wire and read a couple of you mention that light switch in a ...
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votes
3answers
4k views

How can I replace a two way switch with a ZW4001 Z Wave enabled light switch?

I am trying to replace a single switch connected to a single light bulb with a Z Wave enabled switch, model ZW4001Z; a link to the manual for the switch is at the bottom. There is a wiring diagram on ...
5
votes
1answer
3k views

What type of wire should I run when updating a ceiling fan?

I started to change out my ceiling fan and noticed the support brace is actually laying on the drywall and not firmly attached to a beam. I also noticed the new fan has a blue wire where the wiring in ...
5
votes
1answer
12k views

Is it ok to wire light switches and lights with 12/2 cable?

It sounds like light switches and lights are usually wired with 14/2 cable. Is it okay to use 12/2 cable instead? Would I need special switches?
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votes
3answers
694 views

Concerns about replacing a worn out light switch

Our home is about 3 years old. New construction. New parts. The main lights in the kitchen are a 4-way circuit (3 switches, + lights). Since we primarily come into the room from one side, one ...
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votes
5answers
2k views

How do I raise light switches so my kids can't keep toggling the light?

My flat at the moment has all the switches at about 1 meter off the floor. Naturally my growing kids are starting to toggle the lighting now that they are tall enough. Is it possible to raise the ...
4
votes
1answer
1k views

How do I wire a switch/receptacle combination?

Here's my current situation. I've got 14/2 to the ceiling. The hot wire has a runner, which runs down to the switch, and the other wire is a switched hot, back to the light. The other side of the ...
3
votes
1answer
553 views

What are switches activated by a closet door called?

My father-in-law set up all of his closet lights to turn on and off when the door opens. He used a switch that was apparently designed for that purpose, with a largish contact switch that turned on ...
3
votes
2answers
4k views

Why don't my 3-way switches work like 3-way switches? [duplicate]

Possible Duplicate: How should I rewire a miswired 3-way switch? I just moved into a house and am trying to figure out all the switches. I have now determined there are two switches at ...
2
votes
1answer
1k views

Is it possible to do two 3way switched circuits that share a common power source but the power source and the light wire are in the same box?

I'm trying to connect two separate circuits from a single power source using 3way switches. My trouble seems that my wire from my light and my power source are in the same box. Is there a way to do ...
2
votes
1answer
1k views

How can I install this programmable switch?

I just had our house re-wired (by a professional, not myself). I'm looking into replacing a light switch with a fancy programmable version (Honeywell Econoswitch RPLS740B). The location for the ...
2
votes
1answer
5k views

How to add GFCI to a box with one outlet controlled by a switch?

I'm pretty inexperienced when it comes to electrical work, though I do know my way around a circuit diagram, thanks to some EE courses in college. I think this is one I can do myself, I just would ...
2
votes
1answer
456 views

Adding new lights to a switch

I have a single light controlled by a switch in my garage. It's really pathetic, so I decided to add some shop lights to the same switch. Upon opening up the light wiring box, I found not 1 but 4 ...
2
votes
3answers
8k views

Is there such thing as a 4-way dimmer?

I have a 4-way switch I want to replace with a dimmer. I understand I can put the dimmer at one of the other 3-way switches, but they're more out of the way. Does such a device exist? If not, what ...
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3answers
3k views

How can I install a light fixture in the ceiling of a finished room?

In my dining room, I would like to install a ceiling light in the center of the room. This room is on the ground floor of a colonial two-story, so there is no attic access into the ceiling; my work ...
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2answers
218 views

How to identify the purpose of this switch?

I have three switches in a box. One controls the light on the ceiling fan and one controls the ceiling fan. I cannot figure out what the third switch is used for. I thought it might have controlled ...
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vote
1answer
226 views

Can I use a switch loop to power a ceiling fan?

Need your help, please. I have a single pole switch that controls the wall’s receptacles. It has one 14/2 cable, white/black/ground, where the white is hot. I would like to install a ceiling fan. I ...
1
vote
1answer
3k views

How do I know if a ceiling fan with light and the switch are wired correctly?

There was a old ceiling fan with light and remote in a bedroom of my house that didn't work. It also had a switch with 2 knobs that pushed in and turned labeled motor control and 300 w perm instld ...
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4answers
4k views

How do I take a live wire off of a two way switch?

if I know how to take the live wire off then my job is easier.
0
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1answer
92 views

How do I wire a switch with 9 wires in the box?

I have an odd wiring situation at one of my switches, and like a rookie took it all apart before taking a picture. I have 9 wires running into the box, 3 white, 3 black and 3 ground.The switch is a ...
0
votes
1answer
66 views

Controlling two fixtures on same circuit independently

I currently have an existing loud bathroom and a ceiling light on he same circuit. The wiring goes from the switch to the ceiling box and then to the fan. Both of these are controlled by the same ...
0
votes
5answers
3k views

Is there a motion sensor light switch that does not need ground?

My house was built in early 1950's and all electrical switches do not have a ground. This was found out with an electrician when I asked them to install Lutron Maestro, but it would not power on since ...
0
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3answers
441 views

How do I install a dimmer switch?

A friend was trying to help me install new dimmer switches and instead of disconnecting one wire and putting it on the new switch, he just cut the wires and couldn't figure out how to put them back. ...