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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719 views

Wiring Leviton Timer to Bath Fan and Switch to Light

I am a DIYer with a basic knowledge of electrical wiring. I am having trouble wiring a bath fan to a timer and light to a switch. I can get get power to one or the other, not both. Here is the ...
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1answer
790 views

How can I control a bath fan with two lights through a single wire?

I have a bath fan with a main light and night light. It is currently supplied by one piece of 12-2 from a wall switch. Since this configuration makes the night light completely worthless, I'd like ...
4
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1answer
1k views

How do I wire this 30A 250V straight blade pass and seymour receptacle?

This is the receptacle I'm trying to wire. The ground says green next to it, but the other two wire inputs don't say anything. I need to know which is positive and negative. there is no + or - the ...
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2answers
1k views

Wiring bath lights that have two power sources

I have a vanity light. Power comes into the light. A wire runs to the switch. I am planning on installing a bath fan that has fan/light/nightlight. The existing switch is mounted in a 1 gang box in ...
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1answer
207 views

Why would a GFCI receptacle causes my electric tools to run slow?

I recently had an outdoor GFCI receptacle installed, but it causes my electric tools to run slow (hedge clippers, etc.). Do I need to increase the amps rating, if so to what?
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2answers
3k views

What is best practice for tying in grounds on a metal box?

Had electric inspected today and only thing inspector said was that my grounds were messy on a metal box (still code but messy). 3-gang box with three light switches running in different directions. ...
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5answers
10k views

What would cause an AFCI breaker to trip under no load?

I have an AFCI Breaker that trips with 0 load - nothing plugged in, no lights on. To test that power is getting to the room, I turn on the overhead CFL lights (very light load) and flip the breaker. ...
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3answers
29k views

How can I rewire my bathroom fan, light, and receptacle?

My bathroom has one switch that powers the fan and light. In that electrical box, there is also a hard wired electrical outlet that sits in the bathroom. Since I don't have room for a 2 gang box in ...
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1answer
144 views

Is there any reason why I should have a contractor get a permit himself instead of getting it on my own?

We're getting ready to have our breaker box upgraded and the electrician gave us two quotes: One price if we get the permit ourselves... and another price if he needs to get the permit. The second ...
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3answers
3k views

What size extension cord should I use for multiple computers?

We're hosting a LAN party (several computers, 50+) and I had some questions about power draw; I hope this is the right place to ask. Currently, we're assuming each PC will draw an average of 3.5 ...
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1answer
72 views

How do I replace my electrical receptacle?

There is 1 hot and 4 neutrals tied into one receptacle two neutrals on each screw with one hot on the other side. I want to put GFCI in its place on that circuit. I added a GFCI receptacle downstream. ...
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2answers
3k views

Did I wire my light fixture correctly?

I'm replacing a light fixture in an old apartment where the ceiling wiring has two brown/red wires and one black wire. When I removed the old fixture it was wired with black to black, the white wire ...
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3answers
11k views

Can I use a cord and plug to power a wall sconce?

I have a wall sconce that my wife really likes and wants installed on an interior brick wall. The sconce she purchased is designed to sit on top of a wall box that has been prewired. I don't want to ...
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4answers
5k 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 ...
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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 ...
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7answers
5k 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 ...
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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 ...
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1answer
113 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 ...
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1answer
6k 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
75 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 ...
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1answer
521 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 ...
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1answer
1k 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 ...
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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
425 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. ...
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3answers
979 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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2answers
129 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 - ...
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2answers
5k 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 ...
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1answer
3k 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 ...
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4answers
55k 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 ...
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1answer
735 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 ...
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4answers
44k 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 ...
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3answers
7k 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 ...
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0answers
120 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
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1answer
3k 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 ...
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2answers
22k 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 ...
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2answers
3k 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 ...
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4answers
51k 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 ...
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3answers
35k 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 ...
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0answers
498 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
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1answer
82 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) ...
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5answers
29k 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
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2answers
882 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
48 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
9k 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 ...
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3answers
2k 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 ...
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1answer
629 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?
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2answers
91k 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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0answers
462 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 ...
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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 ...