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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0answers
67 views

How to mount a flat screen TV above a fireplace? [duplicate]

Possible Duplicate: How should I run wiring for my above-fireplace mounted TV? I have a flat screen TV on a wall mount that I'd like to move to the brick above the fireplace (which is only ...
5
votes
1answer
455 views

Can a single metal electrical box use two ground clips?

Inside a metal electrical box, can I use multiple ground clips (one for each conductor), or is it required that all ground conductors be twisted together and pigtailed into the same clip?
13
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1answer
2k views

What are the disadvantages of having electrical conduit penetrate my foundation below-grade?

I'm having an electrician wire a lamppost in the backyard. His initial proposal was to do something like this picture shows: (The diagram is from this article.) The conduit's rise from the ground ...
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2answers
10k views

Why does my ceiling fan light turn off by itself?

I have a remote-controlled ceiling fan and light. I don't run the fan, but when I turn the light on sometimes it will stay on for a long time then just go off by itself. I have tried both kinds of ...
3
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1answer
1k views

Can I replace a 3A plug on a light fixture (that comes with 3A cable) with a 5A plug?

Can I replace a 3A plug on a light fixture (that comes with 3A cable) with a 5A plug? The 1st problem I encountered is that the cable has 2 power lines rather than 3 which connect to the 5A plug. ...
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2answers
1k views

Will a 15A receptacle on a 20A circuit fail if I draw over 15A combined from each outlet?

OR: is the rating for the entire receptacle or each outlet individually? A common 15A receptacle has two outlets. If such a receptacle is attached to a 20A circuit, an 8A draw from each outlet will ...
3
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2answers
1k views

3-way switch for light with fan controlled by switch built into fan. Odd wiring layout. Wiring assistance required

My electrician and I have parted ways. This has resulted in my having to finish off various projects. I have managed to get 2/3 lights operating the way they were intended. However, I am having ...
4
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5answers
3k 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 ...
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1answer
96 views

Are solar panel films for windows ready for the end users?

I read about a new solar-panel technology, based on a photo-sensible film, which may be applied directly on to glass. This will definitely help in the versatility and in the ease of installation.. ...
6
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6answers
17k views

What type of electric heating system is the most energy efficient?

I am about to buy a flat that hasn't got any central heating system. There's no way to use gas heating. The only way to produce heat is by converting Electricity. The flat at the moment has some ...
2
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3answers
4k views

Can a receptacle be added to a lamppost?

I'm adding a post and a post-mounted light fixture in the backyard. Some posts have an outlet at the bottom, but they appear to always have a "decorative ladder rest" (with plastic golden balls!) that ...
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1answer
2k views

Why isn't the switch working to turn off my ceiling lamp after I replaced a fan w/light?

I have properly connected the new ceiling lamp. Once I turn the breaker on again, the lamp turns on immediately. There is a double switch on the wall. One used to turn on a standing lamp on the corner ...
2
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1answer
196 views

Can anyone identify this light switch brand?

We've got a bunch of light switches and covers in our house but in the process of removing them to paint around them, one got broken. Can anyone help me identify it? They were put in by the builder ...
6
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2answers
6k views

Light flashes on then turns off. What do I look for?

I just moved into my first home and the light fixture in the water closet broke. I replaced the fixture with a new one, but the light only flashes on, then turns off. I checked for loose ...
7
votes
5answers
8k views

What could be causing AFCI breaker and GFCI receptacle nuisance tripping?

I have a very unusual set of electrical issues that have proven difficult to troubleshoot. I live in a newly constructed house. Each bedroom has AFCI breakers. In the past 3 years living there, the ...
4
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1answer
705 views

Bending wire versus cable

When running NM cable, you're supposed to not make any bends sharper than 5 times the cable radius.* When dressing wires to go into a box, though, you often curve them any which way or shape them ...
2
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0answers
93 views

Change circuit breaker for dual purpose fitting

I have a power breaker fitted with a ducted outlet to exterior wiring. It is in white plastic, same size as twin socket, with push switches for on/off test/restart and neon light. I would like to ...
1
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3answers
11k views

Why do my LED lights flash on cold start?

Whenever I flip on my dimmer switch, all four dimmable LED lamps flash on in unison, blink off, and then come on at the selected dim level. This happens even with the dimmer slider maxed out, so it's ...
2
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1answer
736 views

How do I install electrical through “new work” stucco?

See also How do I install electrical through stucco which deals with the old work situation. What are the best practice products and procedures for installing an exterior light, on a wall that will ...
6
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2answers
9k views

Is there any acceptable way to cover a junction box?

The outlet for my range hood was misplaced. It needs to be 4 inches to the side. I can make the junction and move the wiring to the new location but I really don't want to have the empty plate ...
4
votes
4answers
3k views

How can I fix chewed through wires?

I have two standard two prong wall plugs my puppy has chewed through completely, and he managed to sink his teeth into a laptop cord as well. I'm thinking the wall plugs are history (a lamp and a ...
6
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3answers
11k views

How much weight can an old work box hold?

I will be installing new light fixtures in two bathrooms that look like this: Each fixture will be replacing a light box. Meaning it is a simple chrome plated box about 30" wide with a plastic ...
14
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1answer
47k views

What do I need to install LED strip lighting?

I've been looking to install LED strips, either RGB or white for lighting and ambiance. It wouldn't be the main lighting of the room, so no necessity for high power LEDs. The perimeter of the room is ...
3
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2answers
6k 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 ...
3
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5answers
6k views

Why is my 3-prong dryer outlet showing 240V between hot and neutral/ground 'L' prong?

I'm trying to tell what might be wired wrong with our dryer outlet. Using a Fluke 75 set to AC, I read 238V between the hot leads, 118V from one lead to ground, and 238V between the other lead to ...
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2answers
2k views

How do I tell if a light switch is live?

I have a light switch that I want to get rid of. I don't know if it is active or not. I want to wallpaper the wall. How do I tell if the circuit is "live" and if so how to turn it off so it is safe ...
4
votes
4answers
369 views

In this scenario is my electrician giving good advice?

So I asked Why does my ceiling lights require some other outlet in the room to be turned on and off again before it works? a while ago, and the consensus was that my electrics were arcing and that I ...
0
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2answers
1k views

How can I replace a light switch with strange wiring?

Here's what we have in the box: (2) Black wires (1) Yellow wire (1) Capped cluster of white wires. Here's how it was wired: As stated above, the three white wires were capped. One black wire was ...
4
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1answer
565 views

Why is this ceiling light fixture wired this way?

I'm trying to replace the hanging light below and I've gotten a little confused. Shouldn't the brown wire on the left be connected to the live (red) wires rather than the neutral? I understand that ...
6
votes
3answers
10k views

How can I figure out what mystery wall switches might do?

I have a two-story house with blown-in insulation in the attic. There are at least four wall switches in my house (some on the ground floor, some upstairs) that seem to serve no discernible function. ...
4
votes
2answers
6k views

How can I convert Cat5e wired sockets to Ethernet?

I recently moved to a new home and I noticed that the phone jacks (RJ-11) were connected using Cat5e cable. I'm thinking I can replace the RJ-11 plugs with RJ-45 and use Ethernet over the existing ...
4
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2answers
20k views

How do I replace this dimmer switch to a conventional switch?

I want to replace the dimmer switch in my kitchen with a conventional light switch. However I could use a little guidance. I understand the two black wires are the hot wires, and the green is ...
3
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2answers
184 views

How do I trade the lights that these two light switches control with each other?

I have two light switches in my bathroom. I'd like to swap the lights that they operate with each other. I have no experience with this kind of thing, but I'm hoping the proximity of the two ...
4
votes
1answer
236 views

Can I wire a secondary 240V breaker box for lab equipment from Europe?

I have a dental lab in Europe and might want to move it to the USA. Some of the equipment rates as high as 4kW, and the the total maximum draw is 15kW for the whole lab. Can I wire a secondary breaker ...
6
votes
3answers
2k views

Can an external light fixture and an external receptacle share a circuit?

I have to get power to provide an outlet for an awning at high level. The nearest power source is an external light fixture. Can I wire into this? If so is there anything special I should know?
11
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5answers
65k views

What's the standard height for an outlet?

I am installing outlets in my patio room. What is the standard height recommended above the ground for these to be installed?
2
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2answers
826 views

Is it possible to detect from the power outlet if there would be current that needs grounding?

In my house we have 2 outlet power sockets (no earth) and whenever I charge my laptop I would get electric shock from the laptop when I am touching ground like if I hold laptop on my lap and touch the ...
10
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1answer
8k views

How many wires is too many for an outlet?

I keep finding outlets in my house that are wired in ways I've never seen. Today's find is an outlet in a bedroom with 4 hots and 4 neutrals. All connected to one outlet using the push-in connectors. ...
4
votes
1answer
237 views

How can I convert from 2 sconce lights to one vanity bar light?

Help! My husband is legally blind and we need more light in our bathroom. The only light source we have comes from two sconce lights above the vanity (controlled by one switch). We'd like to know how ...
5
votes
2answers
9k views

How to determine the correct capacity for a sub-panel for a shop?

I plan to install a sub-panel for my woodworking shop, and would like to determine the total capacity that should supply that sub-panel. These are the main items that will likely be running in the ...
12
votes
1answer
386 views

How to make this electrical main safe

An older home has a strung electrical main. The main connects with exposed lugs on the roof above the deck. Not only is the height and location unsafe, while working on the roof today I noticed that ...
6
votes
2answers
2k views

Is a special outlet or wiring needed when replacing an electrical outlet under a gas fireplace.?

The outlet under our gas fireplace that runs the blower fan has a short in it, and needs to be replaced. I have replaced a few standard wall outlets and was thinking of doing this one myself too, but ...
2
votes
2answers
3k views

How do I wire a switch to control a GFCI Receptacle?

I want to switch a GFI outlet. It will be on a single 20 Amp circuit breaker with no other outlets or devices in the circuit or downstream from the outlet. It will be used to switch a dust ...
6
votes
2answers
6k views

Blown fuse replaced, still no power

Yesterday a contractor was doing work in our bedroom. At one point he plugged in a hammering drill and when he used it it blew the fuse. We confirmed the 15amp fuse was dead but I didn't have a ...
2
votes
1answer
381 views

Can I run electrical cable in old unused heating ducts? [duplicate]

Possible Duplicate: Does the NEC allow electrical wiring to run next to a ventilation duct? My house has recently been converted to 200-amp electrical service, and I would love to run some ...
6
votes
2answers
4k views

Do I need exterior grade cables or conduit to run wire in an enclosed soffit?

I'm looking to add some lights on motion detectors (un-switched) and security cameras under the eaves of our house. I know standard romex is often used in attics, but the soffits seem like they might ...
4
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4answers
1k views

Why won't the bulbs light up brightly in my European chandelier?

I bought a European chandelier not knowing there were light bulb size differences. I ordered 12 European to Candelabra Reducers (E14 to E12). I was so happy when I received them, and couldn't wait to ...
4
votes
3answers
3k views

Can I run electrical cable and sound cable in the same conduit?

In my house, I only have an underground conduit for electrical cable. I have a home theater system, but there is no separate underground conduit for home theater wiring. I want surround sound with ...
3
votes
1answer
1k views

Is it safe to remove a plug, and wire a light fitting into the wall?

I've moved into a house, and am fitting a series of 5 halogen downlights beneath a shelving unit. The wall on which I am fitting it previously had an uplighter. I removed this so now have exposed ...
8
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4answers
3k views

Is this a “shared neutral” situation?

In 2001, some electricians added two circuits to my house in California. I took a close look at their wiring and had some questions. At the Service Panel, there are two 20-amp circuit breakers on the ...