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
4k views

How do I install a junction box with NM-clamps?

I bought a junction box in order to splice three Romex together along the 2x4's in the ceiling of my (unfinished) basement. The box looks like this: When I bought it, I assumed that I could just ...
4
votes
2answers
3k views

How should I connect to a short ground wire in a metal box?

I live in a 50's era house that has breakers and a ground wire in every metal box of the house. The problem is they only used 2 prong outlets. They cut the ground wire short and wrapped it around the ...
5
votes
6answers
4k views

Why will 26 1.2W 220V LED lights not work with an 800W inverter?

We live off the grid and have just installed 26 220V 1.2W LED lights. We are using 220V as the batteries are some way from the house and and thick copper wire is expensive. Everything works on the ...
0
votes
1answer
3k views

Replacing a standard 2-gang light switch with an electric dimmer switch

I'm looking for a some assistance in fitting a new electric dimmer light switch. I'm in the UK if that makes a difference. I am trying to replace my existing two-gang light switch with a LightWaveRF ...
2
votes
1answer
107 views

How to add dimmer to “one switch controls another switch” configuration

In my dining room, I currently have a switch configuration that functions as follows: Switch 1: when toggled, turns light on/off Switch 2: when toggled, turns Switch 1 on/off Can I have 2 dimmers ...
3
votes
1answer
5k views

Why isn't my 3-way dimmer setup working?

My dining room light is currently controlled by 2 different light switches. However it isn't wired how I am used to seeing them. In my old house, there were 2 switches that controlled the dining ...
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0answers
71 views

how to install a portable air conditioner on a second floor

I would like to install a portable air conditioner in my upstairs office and wondered how that might be done. I have regular windows in the office but didn't know how to run the hose and where the ...
4
votes
1answer
484 views

Why does turning my kitchen light off turn on my outside light?

when I turn my fluorescent kitchen light off, my outside p.i.r security light comes on, why? the problem started when my father moved the p.i.r up above the door
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3answers
1k views

Will the second light in this circuit light up?

When talking about neutral faults in this answer, I (incorrectly) said that a neutral fault could lead to a shock hazard. It was pointed out in the comments that I was dead wrong, and that the ...
1
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1answer
933 views

How can i set up a Solar Panel to charge a 12v DC car battery and power a Raspberry Pi?

I've pulled together a few spare parts that i've had laying about for ages now and I finally have a bit of time to try do something with them. I've got a solar panel which puts out ~22vDC @ ~2Amps ...
0
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2answers
10k views

Which type of portable generator will power my furnace during an outage?

I live in New Jersey, and in preparation for future severe-weather-related outages, I would like to have a backup plan in order to power my natural gas furnace, as well as the fridge/freezer and a few ...
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0answers
391 views

Will these blinking LED lights cause a house fire?

I recently replaced the some floodlamps with LED lights. The problem is some of the LEDs are blinking or flashing even though the switch is off. Some do not blink at all. It happens all the time. ...
2
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3answers
765 views

How can I tell where the other end of the conduit is?

We have a house with a lot of 2-prong outlets I'd like to replace. They're all fed by conduits. Multiple people (in real life and online) have told me that replacing them is easy: "Just fish the ...
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vote
2answers
128 views

What is good advice for introducing kids to home improvement?

I have kids. My oldest two have done a lot of framing with me, punched holes for electric, connected electric on dead circuits... But also I am very apprehensive in letting them use some tools - ...
5
votes
2answers
4k views

How do you secure electrical outlets in a concrete block wall?

I have an old home that has several outlets in the exterior wall. These outlets are not secured to the block, they just dangle in the opening and are only secure (or appear to be firmly in place) due ...
1
vote
1answer
2k views

How do I ground my LED retrofit in a ceiling can?

I've got what appears to be a low height 5" can above the kitchen sink. There is a 60W IC bulb in there. It looks really trashy since the cover is missing. So, I picked up one of those ceiling LED ...
12
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4answers
46k views

I have a 3-pronged receptacle but no ground wire connected to it. Is this ok?

I removed the plates from outlets to paint walls and noticed that some of my electric boxes have ground wires connected to outlets while others do not have a green wire at all. Is this ok? I know ...
2
votes
1answer
684 views

How do I stabilize power to my PC from an erratic power supply?

An erratic power supply with low voltage particularly at night exists in my area (in India).The UPS tag tells a 220v/50Hz which I know not what. It does not tell about any amp marking. Can I use a ...
15
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4answers
34k views

Can Romex (NM-B) be run through conduit?

A few days ago I asked an electrician if I could run Romex through conduit - he gave me a funny look and said "No, Romex is not allowed in conduit." When I searched online, there seems to be a wide ...
4
votes
3answers
6k views

Why did my circuit blow after replacing a switch?

I replaced an older switch yesterday on an existing line of recessed lights. There are five lights on the one switch. On the same breaker; but different switch, there are 7 more recessed lights (all ...
1
vote
0answers
116 views

Can I attach a metal box for a vanity light to a wood cross?

I am redoing a new bathroom. I have a metal electrical box that I want to replace (because it is an odd size from the 50s). The current one is simply screwed to a wood cross (2x4) running ...
6
votes
1answer
2k views

How do I connect the wires to this USB receptacle?

I am replacing a wall outlet with a Cooper Wiring USB outlet (TR7745). The new outlet has 3 wires coming out of it--a black, a white, and a green. Each one needs to be attached with a wire nut to ...
3
votes
2answers
18k views

How do I wire this ceiling fan?

I'm trying to wire a new ceiling fan. The outlet box wires are White, Red, and Black. The ceiling fan wires are Black, Blue, White, and Green. The installation manual states to connect both ...
5
votes
2answers
2k views

Are the wires for my generator transfer switch undersized?

I purchased a Reliance Q510-C transfer switch to use with a 50 amp generator at my house. The transfer switch is rated at 50 amps. I have wired it into my main electrical box. I also wired a 50-amp ...
3
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4answers
40k views

Why did I lose power to half the house when the breakers did not trip?

Using a voltage detector I determined that three breakers in the panel are not conducting voltage, yet they are fully on (not tripped). Thinking they were bad, I replaced a double throw 15 amp and a ...
5
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3answers
28k views

Why did I feel an electric current when touching my light switch?

While reaching behind a desk in my office, I leaned against the wall and felt a pinch on my shoulder. I realized I was leaning on the lower screw of the light switch and thought it had a metal burr or ...
2
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0answers
447 views

Why would my microwave continually rotate when connected to a voltage stabilizer which is also used for a refrigerator?

When I connected my microwave oven to a voltage stabilizer which is being used for refrigerator,the microwave oven motor starts working without any functions provided.The motor keeps on rotating at ...
2
votes
1answer
80 views

What kind of timer can I use to maintain 7 day timing on an old setup?

I inherited maintenance of an old building. To control the main lighting, it has momentary rocker switches and bank of relays that are wired to the actual light fixtures. So: - Controls (switches) ...
7
votes
5answers
25k views

What types of electrical outlets are found in a typical home in the USA?

I do not live in the USA. If I were to buy a home in the USA, what are the key facts I should know about USA household electrical supply at outlets in homes? E.g. when buying a clothes dryer or other ...
6
votes
2answers
767 views

Why do my appliances show two sets of power consumption ratings and which one applies to my house?

Aptos, CA, USA I'm trying to determine how much power my electric oven is using (as part of a larger project to possibly upgrade our electrical service (with help from a licensed electrician of ...
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1answer
47 views

Duration of charge held by High Voltage Components

How long can a High Voltage Capacitor in a Electric Oven hold a charge after the oven has been unplugged?
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1answer
7k views

Central air conditioner electrical disconnect amperage

My HVAC guy is telling me I need a 25 amp breaker and a 25 amp disconnect for my soon-to-be-installed central air compressor. I've asked him for more details but he's less than forthcoming. My ...
4
votes
3answers
1k views

How should I label and organize my home electrical circuits?

I am looking to make the wiring updates in my home extremely simple to understand while doing so in a code-approved manner. I cannot find anything against wrapping a thin band of colored electrical ...
2
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1answer
526 views

Why won't my pool pump breaker reset?

After extreme rain for a week my pool breaker has flipped off twice and now won't reset. Should I wait for the ground to dry or contact an electrician?
8
votes
2answers
76k views

What do I do with the unused wire for ceiling fan installation?

I recently replaced my bedroom ceiling fan with a newer ceiling fan and with the old fan I could: Use one switch on the wall to turn on/off the light Use the other switch on the wall to turn on/off ...
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vote
0answers
426 views

Washer tripping gfi outlet

I've been living in my house for almost two years and my washer and dryer have been working fine. I have a maytag Neptune washer and dryer, just the other day I took a packet of tide washing machine ...
1
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1answer
4k views

How do I wire my light fixture?

my fixture has a black and white wire. ceiling has 2 blacks(twisted together), 2 whites (twisted together) and 1 red. There are 2 fixtures in the room with 2 wall switches. Only one wall switch has a ...
3
votes
2answers
794 views

Will a GFCI device work on circuit where the neutral is switched?

How well will a GFCI circuit be able to detect current flows, if both the "hot" input and the (supposedly) "neutral" input to a GFCI outlet are energized? The reason I am interested in this is that I ...
0
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2answers
10k views

Where in the breaker box should I terminate the neutral wire from my dryer circuit?

I am looking for an answer to something I am lost about, hopefully I can fins some help. I recently moved into a new home. The previous owners had a gas dryer and no outlets for an electric dryer. I ...
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1answer
403 views

Could this corrosion be caused by faulty ground wiring?

What might cause slight corrosion atop a tankless water heater's copper topped element assembly? I checked all the grounding and reconnected the two element assembly grounding wires and ensured ...
3
votes
3answers
4k views

How do I secure electrical wiring to a pocket door frame?

I recently installed 2 pocket door kits together from one room to an adjacent in my house. The building inspector said he saw no problem with me installing a light switch in a shallow electrical box ...
3
votes
1answer
575 views

What should I do with exposed wires from a yard irrigation manifold?

We just had a new backyard put in by a contractor with 20+ years of experience. Overall, he did a very nice job, but apparently the Rain Bird timer that came with our house is a new model and it gave ...
5
votes
2answers
4k views

Should we be rewiring or pigtailing the aluminum wiring in our condo?

We have purchased a condo home that was built in 1975. The inspector brought up the hazards of aluminum wiring. Since we have very little knowledge regarding this area we were wondering if we should ...
2
votes
2answers
1k views

NEC Definition of “Maintained Spacing” for Wire in Free Air

This seems like a simple question, but I cannot seem to find the answer in the 2008 NEC. There are references to "maintaining spacing" in many sections of the code such as the following: ...
1
vote
1answer
2k views

Multiple Loose-Hanging Wires in Finished Wall

I am re-doing the wiring in my home and I have encountered a situation where I need to run 4 sets of 12-2 NM-B (Romex) wire from my attic down to the same fixture. Per 334.30, I am allowed to leave ...
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0answers
29 views

Wiring assistance for dryer from 4 prong to 3 prong [duplicate]

Just moved into a new apartment so I had to change my dryer plug. However, after countless tutorials and videos I am a little confused with the current set-up. Is it right that the green(ground) and ...
0
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0answers
66 views

How do I wire a combo with two supplies?

I want to replace a double outlet with an outlet/switch combo. I want the outlet to remain hot and the switch to power a disposal. By one response it seems I was wrong about two supplies. I have, ...
5
votes
3answers
509 views

How can I seal this hanging electrical outlet in my horse barn?

I really am not a fixer type of gal but this seems like it should be simple enough. Please respond appropriately for someone who has limited knowledge. I have a hanging outlet in my horse barn. ...
1
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1answer
4k views

Why do I have low voltage and backfeeding between circuits throughout my whole house?

If I plug a hairdryer or anything else into a outlet, I lose voltage in the whole house. If I plug the iron in, the stove surges. This is a nightmare. I can't run the fridge; I can't even get the TV ...
3
votes
3answers
85k views

Where does the ground wire go in a 3-prong dryer cord configuration?

We moved to a new place where the dryer connection is 3-prong instead of 4-prong. The dryer was originally 4-prong, so we bought a 3-prong cord and installed it. It works fine, except I am not ...