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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2answers
2k 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 ...
-1
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1answer
320 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
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2answers
2k 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 ...
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0answers
208 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
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1answer
299 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 ...
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11answers
56k 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
180 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
334 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 ...
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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% ...
2
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1answer
4k views

Why do my pot lights flicker randomly when not at full brightness?

They're connected to a 1000W dimmer and I think (hope) it's that. In total there are 12 pot lights connection (600W total) and at full dim or at certain levels they're fine but between a certain range ...
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3answers
1k views

What should I look for when diagnosing electrical circuit gremlins where load is much less than capacity?

We have an electrical circuit with these loads (all on different outlets): 15W aquarium pump, 250W LCD television, 35W cable box, 13W GoogleTV box, and a 100W ceiling fan (plus an integrated 50W ...
3
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5answers
2k views

Can I split a 3 wire circuit into 2 separate 2 wire circuits?

I currently have a 3 wire running from my panel, red is connected to a 15 amp breaker, black is connected to a separate 15 amp breaker. White is connected to the neutral bus. This is running to a ...
5
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1answer
2k views

Why did I receive an electric shock from my microwave?

I was doing the washing up and the microwave is next to the place where I put the dishes and I went to put it down and my hand touched the side of the microwave and I got an electric shock for a bout ...
3
votes
1answer
29k views

How do I wire two lights with a switch?

How do you wire two ceiling lights on one switch? I have installed the switch, and the two lights, but only one light is working. It is the light that the power source enters. My setup is like ...
4
votes
2answers
742 views

Can I use the wiring from a disabled home security system to power wireless cameras?

My home has an old security system which has long been disabled. I'd like to be able to use the wiring for the sensors to possibly provide DC power to some wireless IP security cameras in various ...
3
votes
1answer
723 views

Can I use a polarized cord and plug to rewire a non-polarized clock?

I have a clock that has a pretty corroded plug. The clock plug is not polarized. You can plug it in any which way. I also have a spare electric cord that is wired with a polarized plug. I'd like to ...
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1answer
2k views

Is there a required spacing between where high and low voltage lines attach to a house?

If both the high and low voltage lines are strung from the pole to the house, is there a minimum spacing required between where they anchor to the structure? The AC lines enter through the ...
7
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2answers
3k views

Should switches in a kitchen area have GFCI protection?

Do the switches on the wall and over the counter areas have to be on a GFCI protected circuit? As there is live power at the switch all the time, I would think this to be true, but I'm not sure.
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3answers
17k views

Are generator interlock kits permitted in residential applications?

There have been some questions on the site lately, that reference using interlock kits with portable generators. This has inspired me to read through article 702 Optional Standby Systems of the ...
1
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2answers
9k views

How can I figure out why my light won't turn on?

My home electrical system is single phase, two wire (live + neutral; grounding is short-circuited to the neutral). I have no schematics as to how it is connected. However, there is a separate circuit ...
1
vote
2answers
98 views

Is there a state mandated cap for electricity use in Spain?

My dad tells me that the (recently remodeled) house he's staying in in Valencia shuts off the electrical service if he's using the cooktop and the heater at the same time. This is very unusual in ...
2
votes
2answers
3k views

Is tying a knot in an electrical wire safe?

In order to keep a hanging pendant light from falling through the cover plate in the ceiling I tied a knot in the electric wire, as a stopper. Is this safe, or did I just create a fire hazard? If it's ...
1
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1answer
15k views

What size wire do I need to connect a portable generator inlet to my main panel?

I am planning on installing an interlock kit and backfeeding my panel with my portable generator. The backfeed will be to a 30 amp breaker, coming from the 240/30A outlet on my Generac 5500. The ...
2
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3answers
14k views

Is it possible to install a ceiling fan without an electrical box?

A while ago I had some electricians install a ceiling fan mount. Now that I've finally gotten around to installing a fan I've discovered that they didn't install any sort of electrical box to house ...
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2answers
1k views

Can I use low voltage lights with a motion sensor?

I have installed and wired low voltage exterior lights. They required a transformer to bring the AC to 24 volts. I want them controlled by a motion sensor so before the transformer I installed a ...
6
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2answers
3k views

How can I safely extend a wire in my electrical panel?

I need to move some breakers (and attached wires) from the upper part of my electrical panel to the lower part but the wires I need to move aren't long enough to reach their new location. Is it safe ...
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3answers
914 views

What is the simplest way to create custom decorative LED-lighting?

I have always wanted to build decorative lamps with LEDs (application example: imagine a model boat with Xmas lights). Is there a way (commercial, or custom-built) to power several LEDs, so that: ...
5
votes
3answers
20k views

How can I remove a receptacle and abandon the electrical outlet?

We are trying to remove an electrical outlet. We turned the power off and disconnected the wires from the outlet. Then we twisted the + wires and tapped them and did the same with the - wires. Then we ...
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0answers
33 views

wiring a single bathroom fan servicing 2 rooms in the master bathroom suite with 2 separate switches on the same circuit as well as lighting [duplicate]

Possible Duplicate: How can I wire an exhaust fan to turn on from multiple locations? I am having trouble trying to wire a single in-line bathroom fan servicing a master bathroom suite. ...
6
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2answers
1k views

Can I use 22/4 wire instead of 20/2 wire?

My central vacuum system needs 20/2 stranded low voltage wire (24 volts I think). Can I use 22/4 wire and pair-up two each to equal or better 20/2? I could save some money by using surplus 22/4 ...
-2
votes
1answer
108 views

Ceiling wifi wiring help [closed]

I'm mounting wifi in hallway ceiling; I have 110v in attic and plan on running Cat6 from structured media closet to supply internet. How do I wire for portable hard drive wifi backup? I believe it ...
3
votes
1answer
313 views

How can I repair a damaged UF cable

I'm in the US, and have a run of UF cable serving floodlights along my driveway. It leaves the garage in a conduit, and reappears at each of 3 locations where a junction box about 12" above ground ...
2
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2answers
3k views

Is it safe to have a gas stove on the same circuit as a couple lights

I've always heard that stoves and ranges should be on their own circuit, but am not sure if that applies to only electric or both. We have a gas stove and I discovered recently that it is on the same ...
-1
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1answer
505 views

How do I wire 3 way switches?

For cosmetic reasons, I've been replacing the switches and outlets in my house (from beige to white). It's been going well until I ran into two 3-way switches in a hallway that turn off and on one ...
1
vote
3answers
997 views

Can I ground my workbench using an unused outlet's neutral?

I haven't found any advice on my specific predicament, so I'll ask here. First, some background. I just moved into a house with old electrical wiring (read: ungrounded outlets). Unfortunately, the ...
2
votes
1answer
915 views

Why is the light always on after replacing the light fitting?

I replaced the light fitting in our living room, which is controlled by a dimmable switch, and now the light is always on. When the dimmer is in the off position, the light is not very bright. When I ...
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5answers
6k views

How can I wire an exhaust fan to turn on from multiple locations?

I just bought a Panasonic FV-20NLF1 inline bath exhaust fan that I planned to used to exhaust 2 different bathrooms. I want each bathroom light switch to control the fan, so when the lighting turns ...
3
votes
4answers
5k views

How to wire MR16 LED lights?

I am building a wall cabinet with downlights in the shelves, for which I would like to use MR16 LEDs. However, my first attempt was obviously deficient, since two of the LEDs blew. I'd appreciate some ...
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2answers
7k views

How do I wire 3 way switches where the power comes in at the light?

Have a 3 way switch question about a garage I'm helping a local homeless shelter fix up. They have already installed some 3 way switches, wiring and places for 2 lights, but they aren't sure how to ...
9
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1answer
3k views

What type of connector is this and how do I remove it?

I was trying to install a ceiling fan in my apartment and came across these connectors when removing the light. What is this and how do I take it off?
4
votes
1answer
1k views

How should I connect my light fixture?

I'm installing a ceiling light to a fixture that was previously unused. However I'm having trouble because there are 2 groups of white wires. Which white wire should I connect with the white wire of ...
6
votes
1answer
699 views

Is it reasonable to create a 30amp branch circuit for the purpose of feeding the panel from a generator?

I recently purchased an 8kW generator (Briggs and Stratton). It has a 4-wire twist lock outlet that can handle 30 amps. Suppose I were to: Run a 10/3 NM cable from the panel in the basement out to ...
4
votes
2answers
16k views

Should light bulbs above showers be “steam proof”?

In replacing the lighting in my apartment with LED bulbs, I noticed that the recessed can lighting above the shower (to be fair, the light is centered on the shower curtain) does not appear to be ...
3
votes
1answer
370 views

Are four gang plastic boxes stackable in a wall?

I would even be willing to go side by side but I would like to stay with the four gang sizes. I am hoping this would pass code and would prefer to stack so if there is someone that knows if it is ...
1
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0answers
375 views

Is there something wrong with this 3-way lamp switch?

We have a floor lamp with a three-way combined switch and socket. I noticed arcing sounds when rotating the switch, so I disconnected it. Later I found that the "low" and "high" settings worked fine, ...
6
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2answers
2k views

Is there a name for a duplex outlet that takes eight wires, plus ground?

In my home (built around 1970), I found a bizarre outlet when replacing the dated old ones. The front is your standard duplex, but on the back there are holes for 8 wires (4 hot, 4 neutral) plus the ...
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1answer
408 views

How do I replace a triple dimmer switch to a much smaller conventional switch?

Our kitchen lights are playing up, they're halogen spotlights controlled by a dimmer switch, and one by one they're either refusing to switch on, coming on if the dimmer is halfway on but off when ...
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2answers
343 views

Do I need a ground for a new 240 volt 20 amp circuit?

I ran a new 240 volt circuit to operate some motorized equipment. The equipment has a 3 prong grounded 240 volt plug. My source however doesn't have a grounding strip. Would it be better to not ...
6
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3answers
9k views

Does turning circuit breakers off cause wear?

A comment over on another SE got me thinking. With screw-in fuses, unscrewing it and then later screwing it back in causes negligible wear on either part of the installation. But what about modern ...
3
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1answer
1k views

What should I use as a base for my wall mounted PC case?

Here is an example of what I am trying to put together: What material could I use as a base onto which I can mount the motherboard, hard-disk and other wiring?