Distribution and use of electricity throughout the home. Electrical standards vary greatly worldwide, so providing your location in your question or your profile helps ensure you get answers that are relevant to you.

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4
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4answers
3k views

How can I wire this three-way circuit between two buildings with only 3 conductors?

I am rewiring my entire house after a major malfunction of two antique knob and tube circuits. I'm up against a challenge with some outdoor lights. Here's the situation: I have a detached garage. It ...
2
votes
1answer
7k views

Why is my electric hot water heater producing lukewarm/cold water?

Yesterday after returning home from work I discovered my hot water is not working. When you turn on the faucet (any in the house) just a little warm water comes out and then it turns cold. I checked ...
7
votes
5answers
68k views

Can different gauge wiring be used in the same circuit?

I am extending a lighting and outlet circuit in a basement. The current setup has the following characteristics 15 amp. circuit breaker (200 amp service) 4 existing lighting fixtures using CFL bulbs ...
2
votes
1answer
453 views

Can I connect wall sconces to an existing switched circuit?

My den has four outlets tied to one wall switch (top receptacle at each outlet). I am looking to install four sconces (two per wall on two walls) and was wondering if I can tie these into the existing ...
2
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2answers
357 views

Where does the excess electricity from my solar panels go?

When my excess electricity goes back into the grid, where does it go after it has passed through my meter? Does it go to the next closest house needing power?
1
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1answer
184 views

How do I select the right generator?

I'm looking for advice on what kind of generator I should get for my mobile home. We have had 3 pretty bad storms (2 hurricanes, 1 blizzard) and am looking to give my home backup power. Now I have ...
0
votes
1answer
563 views

How can I wire multiple recessed lights and multiple dimmers?

How do I wire recessed Zinc Alloy ceiling lights. There are eight lights and eight dimmers. Can I run all wires and the feed into a junction box?
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vote
1answer
2k views

What is causing my light bulbs to burn out so quickly?

I have some 12-volt outdoor lighting that is quickly blowing through light bulbs (couple weeks at a time.) I just measured the voltage and it read 13.4 volts. Could this be the culprit? The other ...
2
votes
2answers
14k views

Should I use 3 wire or 4 wire for a range?

I am trying to do a little work and have an electrician check it. I have a range that is a 3 prong 50amp 125/250 (looks like the 10-50R). List of materials purchased: 50 amp Siemens Circuit ...
3
votes
2answers
419 views

How do I rewire this circuit controlling several lights and receptacles?

The wiring is suspended on the ceiling inside a metal tube that connects to each light socket and set of outlets at independent metal junction boxes. The first light in the chain finally stopped ...
1
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3answers
3k views

Why is an AFCI tripping when a particular light on a different circuit is turned on?

I have 4 GE AFCIs in a GE subpanel in my basement. Occasionally, when I turn on a bank of dimmable CFL lights via a CFL-rated dimmer switch, I get a trip in a particular AFCI breaker that's on the ...
2
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1answer
2k views

Can I replace a single light switch with a 3-way switch that can individually control 2 lights in a fixture?

I have a ceiling light fixture with 2 bulb sockets. Right now it's controlled by a single 2-way switch (on/off). My idea was to install a 3-way (or possible 4 but not necessary) switch that can ...
0
votes
1answer
8k views

What could cause a ceiling fan to lose rotation speed?

I have two identical ceiling fans in my house that were installed around 4 years ago. One no longer rotates as fast as it used to at top speed. At a guess I would say it has lost 30 or 40% of its ...
4
votes
1answer
3k views

What are possibilities of balancing 3-phase consumption?

A lot of homes have a 3-phase electric connection. Each of the phases has some appliances connected to it. That implies power consumption in any moment on each phase is different, so we have an ...
3
votes
2answers
474 views

Can I replace an old closet light with multiple electrical outlets?

I have asked a family member to replace an old light fixture in a large walk in closet with an actual electrical strip. The house is an 101 year old craftsman. There aren't any electrical outlets in ...
6
votes
1answer
21k views

How can I install this programmable switch where a neutral is not present?

I'm trying install this programmable switch but the instructions do not match reality. The instructions refer to the existence of a black (load) cable and a white (neutral) cable supposedly coming out ...
6
votes
3answers
5k views

Is it OK to have ground wire connected to breaker box wall instead of neutral bus?

After having issues with lights flickering, I noticed the main 100A breaker was warm and arcing slightly. Instead of just replacing the breaker, I decided to call in a electrician to install a larger ...
0
votes
1answer
381 views

How can I install this automatic transfer switch?

I currently have a Gentran 3028 subpanel connected to a 12,000 watt generator over a 30 AMP branch and the utility/main panel over a 60 AMP branch. I want to replace the Gentran with a APC UTS10BI. ...
3
votes
1answer
3k 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 ...
1
vote
2answers
1k views

How can I install 3 way switches that cut power to several 2 way switches?

I'm rewiring my unfinished basement. It has two entrances - a cellar door to the outside and the normal staircase in the house. Even though it is unfinished, the basement is kind of divided into ...
3
votes
3answers
2k views

How can I shut off circuits when I have a generator with an automatic transfer switch?

We had professionals install a generator with an automatic transfer switch. I showed them our circuit-breaker box and told them which circuit numbers should be on generator power. Okay, everything's ...
7
votes
1answer
6k views

What is a split bus panel, and how do I recognize it in the field?

I'm having trouble identifying a split bus panel. I design and install Solar systems, and lately (after Mr Wiley gave a few seminars to local inspectors) the local authority having jurisdiction (AHJ) ...
1
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1answer
5k views

Why is my electric circuit breaker tripping?

For the past 4 days our circuit breaker has tripped several times a day. On the box each fuse thing is labeled i.e. "Upstairs lights", "upstairs sockets" etc. Now normally if we have had a blown fuse ...
3
votes
1answer
20k views

How can I split my rg6 cable runs without losing my signal?

So I've been working on this for months as I finish my basement. We don't have cable tv or satellite. We just get broadcast tv using a digital roofmount antenna and then in the house a digital ...
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1answer
385 views

How can I install a new bathroom GFCI receptacle? [closed]

How can I install a bathroom GFCI, by connecting it to another outlet?
4
votes
2answers
4k views

How does 4-quadrant metering of 3-phase electricity work?

I have a 3-phase 4-quadrant electricity meter installed because I have a photovoltaic plant on the roof of house. A 4-quadrant electricity meter means it can measure both consumption and generation of ...
2
votes
2answers
2k views

Should I be able to run some 1.5" PVC chase conduits from attic to basement next to a cold air return?

I have a new home I just moved in to and rather than having them put this stuff in ahead of time (silly me) I'm now trying to do it now. Here is my situation... I live in a 2 story home with a ...
1
vote
0answers
245 views

What could cause neutral wires in my service panel to read 120V?

I have a 200 A service panel with 12 breakers. Seven of the breakers work fine. There are 5 other lines that come in. When I hook up the black wires to the breakers and turn them on I get a charged ...
1
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0answers
32 views

How to verify if the protective earth/ground is separated from the neutral wire in an electrical AC installation? [duplicate]

Possible Duplicate: How to verify if the protective earth/ground is separated from the neutral wire in an electrical AC installation? It's easy to verify which wire is the phase without ...
3
votes
4answers
7k views

How can I verify that the protective earth/ground is separate from the neutral wire in an electrical AC installation?

It's easy to verify which wire is the phase without relying on wire colors. But I'm not sure if I'm able to determine which wire is the ground and which is the neutral. I have heard that using a ...
3
votes
1answer
765 views

How do I run a dock circuit and what size breaker will be needed?

I am running 10 gauge wire to my dock which will be about 100 ft from the disconnect box on the house to the dock. I will be providing electricity to a 1/2 hp hoist, which runs on 110, that will only ...
1
vote
1answer
815 views

How can I replace my old dimmer switch?

Replacing dimmer. Old dimmer has two black wires attached to two white wires in box. There are two black wires in box not attached to dimmer but wire-nutted together. Is it ok to wire the new dimmer ...
0
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1answer
230 views

What are these electrical boxes in the closet that have no breakers in a house with buttons for the light switches?

My mother's home has these metal panels in the closet on the second floor, directly under them on the 1st floor is the breaker box. The house has push buttons for the lights instead of switches. There ...
21
votes
9answers
42k views

How should I go about installing a 12 volt DC residential circuit?

I have a couple deep cycle batteries that trickle charge from a solar panel, for emergency use. Right now the only way I get useful power from them is to use a 12VDC -> 120VAC inverter, e.g. the type ...
1
vote
1answer
912 views

How can I wire an HD antenna into my attic?

I have a 2 year old house 2 floors and then an attic that you have to use a pulldown to get into. The house has an ethernet cable (90% sure it is an ethernet cable) that is in the attic, I have a HD ...
1
vote
2answers
5k views

Does a single-gang double timer switch exist?

I have a single gang outlet that current has a double/split switch installed controlling an inside light and an outside light. Ideally I'd like to have the outside light on a timer. Does a single ...
1
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2answers
133 views

What kinds of dimmers do I need?

I'd like to make myself a lighting control that would schematically look like this: I don't know a lot about dimmers, but I heard they have some parameters which might prevent them from working. ...
10
votes
3answers
594 views

How should I rewire this situation?

In my dinning room, I have this: There is a wire run going up through the floor from the basement. It then goes outside the wall, around a stud (or studs, I'm can't tell there is more than one), back ...
4
votes
2answers
1k views

Can I install a light between two three-way switches?

is it possible to add a light to a three way switch circuit between the two three way switches (ie can i tie into the three wire connecting the two switches in anyway to make them work the new light ...
3
votes
1answer
9k views

How do I wire a receptacle and a light switch?

I saw one of your posts with diagrams and I figured that is exactly what I need. I have a GFCI outlet and light switch in the same box. There are 2 sets of wires coming from the wall(Blk, wht, ...
1
vote
1answer
4k views

How can I wire this replacement bathroom extractor fan?

My old bathroom extractor fan motor burned out, so I got a new one to replace it, I was trying to wire it up earlier and I've hit a bit of a snag... I don't seem to have enough cables. The old ...
0
votes
2answers
3k views

Why do I only have 30V going to my light fixture

I just replaced a broken light fixture in my closet. (The switch in the light fixture broke when I pulled too hard on the chain.) When replacing the light fixture I noticed that there is only 30 V ...
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votes
1answer
322 views

Does my electric panel need replacing?

How can I tell if my electric panel needs replacing? Got up today and suddenly I lost power to a tandem breaker the breakers weren't tripped. Then realized I also lost my water pump. The water ...
6
votes
2answers
3k views

How do I fix my double tapped outside electric panel?

I recently had a 4 point inspection and the inspector detected an electric hazard. As shown on the picture the power line goes from the meter to the panel with the main switch and from there into the ...
0
votes
0answers
222 views

Why would my lights take 10-20 seconds to turn on after installing a dimmer?

I have double-checked the connections. I am guessing next step is to replace the switch in case that was the problem. It is only running two wall sconces, each with one low wattage bulb. Anyone ...
2
votes
1answer
304 views

Why is my GFCI/Switch combo working in such an odd way?

I recently moved into a new apartment, built around 1960. There was no outlet in the bathroom or within 10 feet, just a light switch. So I purchased a CFCI/Switch combo at Lowes. There were only ...
5
votes
11answers
65k views

How can I find an open neutral?

My lights and outlets went out in the half bath of my home and also the two recessed lights in my hall just outside the half bath. I believe there are two feeds, one to the hall lights and one to ...
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0answers
190 views

How do you plug an unused hole as per the NEC for a liquid tight enclosure?

I have been looking for a way to seal a liquid tight product using Listed blanking plugs / Cap-offs or similar to comply with the NEC (US National Electrical Code). We wanted to use Conduit Entry ...
4
votes
1answer
388 views

Should a GFCI interrupt the entire circuit?

I moved into a new house and never heard of this before, so I thought it was strange. On 2 circuits I've had a GFCI trip, and when they do, they trip the entire circuit. I thought they were just for ...
3
votes
2answers
2k views

Can I connect a combination heater/fan unit to the existing bathroom wiring?

I have a dedicated 15A circuit for a top-floor bathroom fan with heat lamps which draws much less than capacity. There is nothing else on this circuit. I know that code for a 15A 14ga circuit at 80% ...