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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15 views

LED Flickers but not when connected in parallel with incandescent

I recently bought some LED replacements for G4 base under cabinet light which has 3 sockets. When I put the first bulb in I noticed it was very dim with a bad flicker. Adding the next two made the ...
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0answers
8 views

How can I tell which wires go where in this ceiling fan

I took apart a ceiling fan to replace seized bearings. All the pictures I took of the wiring before disassembly I no longer have access to. How can I tell which wires go where? I have: -2 wire ...
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1answer
15 views

Is it normal for MY lights to briefly dim when my NEIGHBOR is using a power saw?

I think that when my neighbor uses a contractor-grade miter saw, my overhead light in my office dims slightly for a brief amount of time (half a second) and then returns to normal brightness. Is this ...
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1answer
119 views

What is the grey wire dangling from my ceiling?

We recently moved into a new apartment in Berlin. We are the first occupants and thus there are no existing lighting fixtures. In the living room there are 4 light switches (1 & 2 on the left of ...
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1answer
32 views

Is it normal for the voltage tester to beep when touching the refrigerator frames?

I've bought a Klein Tools NCVT-3 non-contact voltage tester and while I was playing with it I've found the tester beeps whenever it touches the frame of the refrigerator. This won't happen with any of ...
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2answers
13 views

Where is the Main Shutoff my Cutler-Hammer Breaker Box?

Kind of confused where my main shutoff is. When I read and looked at breaker boxes for examples, most had a big shutoff right at the top. Where is the switch on mine? I'd like to remove a breaker, but ...
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1answer
65 views

How should I wire my pool heat pump?

I am wiring a new heat pump-- 50K btu, 208-230v ~60 hz. Plaque on side says 12a running current, minimum 20a circuit, max 30a. My breaker panel for the pump is a sub panel running off the main with ...
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3answers
53 views

Electrical breakers question

Does each hot wire in a double pole breaker carry the breaker's rated amperage or does each wire split the amps? For example, if a double pole breaker is rated at 50 amps, does each hot wire carry 50 ...
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1answer
26 views

Another code question: can I take a 110V outlet off one leg of a 220V circuit?

Wiring the workshop, it'd be simplest to use the 220V circuit to also supply the shop's 110V outlets. I know some machines/appliances do that internally; can I expose it on the wall? (I'm never sure ...
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1answer
40 views

Can a 220V US circuit have more than one 220V outlet, by code?

When I move the laundry, I'm considering switching to a gas drier -- but even so it'd be nice to have the 220V drop there for future-proofing. However, if I'm not using it for the drier, I'd like to ...
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1answer
65 views

Can I install a dimmer switch on a 2 way circuit?

I have a 6 lights controlled by 2 normal switches (2 Way Circuit). I want to replace one of the normal switches with a dimmer switch. Is this possible?
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1answer
113 views

Electrical box - What are all these wires?

I want to install a light fixture on a box that's in the ceiling. I opened it up and I saw WAY MORE wires than I expected. I expected just a green, black and yellow wire. Here are two photos of the ...
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1answer
47 views

New house - 14 kWh per day before moving in - is that expected?

We have bought a new house but we haven't moved in yet. I've received our electric bill several days ago and it shows our electric bill on average is about 14 kWh per day but it seems the only working ...
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0answers
16 views

Install one dimmer switch which is part of two regular switches

We're purchasing (5) dimmable LED's for the kitchen and I'm now researching the dimmable switches. The lights are controlled by two switches. Either one can turn off or turn on the lights (So one ...
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1answer
31 views

Is this a valid layout for a stairwell light?

My pair of lights and pair of switches was working in my basement stairwell. I'm redoing the wiring because I added more switches but I can't get the stairwell lights working again. The only thing I ...
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3answers
59k 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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1answer
117 views

Six wires in outlet box, from 3 different circuits; 4 are hot?

I have been trying to install a new outlet in a room in my 1950s house, but I am really confused. When I opened it up, there were two black wires in under one screw and one under another. Ditto for ...
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3answers
21k views

How do I properly ground my subpanel that only has one neutral/ground bar?

I am adding a sub panel in an unattached building. My sub panel has the connection for the 2 hot wires coming from the source panel (a 40 amp double breaker) In addition it has one neutral/ground bar ...
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1answer
32 views

How can I determine why my circuit is broken after replacing the switch and light fixture?

A few days ago, my kitchen light was flashing (flickering) off and on occasionally. So I turned it off. Apparently, not before it messed up the circuit though. This happened previously, about a ...
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0answers
17 views

Controlling multiple banks of LED bulbs with one dimmer switch

Just had the contractor install some recessed LED lighting in some of the rooms of the house. Due to building codes we can't have one location with enough switches to control the lights as we have ...
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1answer
31 views

New Common Wire To Programmable Thermostat-What Went Wrong?

Any help with this problem would be greatly appreciated! I've read a number of the related posts so if you're reading this, chances are I have already benefitted from some of your wisdom. While ...
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5answers
3k views

Will switching to LED lightbulbs make a significant difference in my electric bill?

I asked Reliance Controls about a THP103 meter that I was having trouble with. Turns out that its not a true RMS meter and thus is unable to give you accurate readings on a CFL or LED installation. ...
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2answers
46 views

Is it possible to convert an octagonal electrical box so that it can house 2 Duplex outlets without changing the shape of the box?

I currently have 1 Duplex outlet installed in an octagonal box mounted on the ceiling. I need to add another outlet to make it a 2 gang. However, I can't find a cover that will hold a 2 gang outlet ...
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2answers
74 views

How to check the power capabilities of a house?

I'm planning a wedding, and the current plan is to have it at my fiancée's aunt's house, which has a large avocado orchard in the back. We love the space, but it just occurred to me: I'm not entirely ...
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1answer
99 views

How can I rewire a light to use three-way switches?

I have a light that is operated by two switches. One is upstairs, and the other is down stairs. How can I make the light work by either switch? Currently if I turn the light on down stairs, I cannot ...
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2answers
48 views

What cable do I need to run from my main breaker in the house underground in schedule 40 conduit to my garage?

Well, we finally closed and moved in to our new home. I called around and the electrical contractors in my neck of the woods are ridiculously expensive. So Off to Lowes I went. I bought a Eaton 100 ...
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1answer
51 views

How do I wire a 4 prong plug into a an old receptacle with only red and black wires with metal conduit into metal box?

I am trying to wire for a 4 prong plug into a an old receptacle pre 1972 with only red and black wires with metal conduit into metal box. It has been used since 1964 hard wired 220B with metal ...
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2answers
51 views

Do I need a breaker in main pannel for sub pannel?

I have no breaker space in the main 200amp panel. I'd like to set a 100 amp sub panel with its own breaker. Can I connect the sub panel to the main entry lugs on the 200 amp panel?
4
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2answers
154 views

Potential Home Grounding Issue - Illinois

I recently bought a new manufactured home. There are instances where people have touched the front door and received an electric shock. Using a non-contact voltage detector, I confirmed that there ...
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1answer
125 views

Fan coil wiring problem with new thermostat

I'm trying to upgrade to a new line voltage thermostat. The new thermostat has many more connections, including three fan speeds. My current system has a manual fan switch on the wall so all I need ...
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1answer
61 views

How to test appliances for energy used

My energy bill is twice (at least) as high as the neighbors with similar sized homes. Of course the hydro co. thinks their meters are perfect. I want to find out if an appliance is consuming much ...
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0answers
32 views

Can I run wire through a ceiling and insulation?

Would it be it alright to run electrical wire through bat insulation and solid insulation through walls and ceilings then drywall it over?
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7answers
26k 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 ...
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2answers
2k views

What could cause my recessed light to not work?

I replaced a flood light lightbulb in recessed light fixture, thinking the previous bulb had burned out, but that new bulb isn't working either. I've tried a regular lamp bulb to ensure my new ...
2
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1answer
156 views

Why won't my thermostat control the HVAC anymore after trying to switch thermostats?

I bought a new Nest thermostat which is supposed to be compatible but needs a professional installation (advice that should have been heeded by non-professional electrician me). This is to replace an ...
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1answer
138 views

upgrade to a 200 amp service, cable wiring sizes

The house currently has a 3/4 inch conduit to feed the main wires coming from the power company to the breaker box. This is very much inadequate. I plan to upgrade to a much bigger breaker box. My ...
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1answer
291 views

Connected C-Wire to new Smart Thermostat and Furnace board and still no power

I need help. I've been surfing the internet and have had no luck finding answers to my situation so am hoping for some guidance. I've seen other questions here answered but none that suit my ...
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5answers
176 views

Electrical engineering background, can I do electrical work on my house

OK Folks, some introduction. I wasn't born in the US, I come from the underdeveloped world, where due to lack of resources it was usual to have a pair of bare wires acting as a light switch ...
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2answers
70 views

How do I properly size a 120v inline power relay to control a small air conditioner with my home automation system?

I have a 5,000 BTU, 115 volt, 4.8 amp, window-unit air conditioner I'd like to control from my home automation system. I think easiest thing to do would be to plug the unit into an inline rely module ...
2
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2answers
46 views

How do I install an insteon light switch where wire colors don't match?

Electrical noob here. I know enough to turn off the breaker. I've read a couple of other answers and want to get a second opinion. I have three wires coming out of the existing switch socket, 2 ...
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1answer
64 views

How can I add a bathroom fan to the existing end line light switch?

I would like to add a bathroom fan to the existing end line light switch. I am fine with the switch controlling both the light and fan at the same time as the light only has 14-2 running to the ...
3
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1answer
142 views

Proper boxe for surface mounting GFCI outlet for a garage/utility space?

I'd like to replace the following electrical box, which runs a laundry: What are good options for surface mount boxes? It should hold the GFCI securely (not require funky mounting of the tabs, ...
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3answers
4k views

How do I stop a dimmer switch from humming?

I installed a dimmer switch in my washroom and it's making a buzzing noise. The more I increase resistance/rotate the dimmer clockwise, the louder it gets. The humming seems to be coming from the ...
1
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0answers
36 views

Adding GFCI to box with 2 hot (black and red) and 1 neutral with one wire

I moved into an older home and i am trying to add a GFCI in a kitchen outlet by the sink. Its a two gang box with a switch and one outlet, it has 3 lines coming into the box, two go to the light ...
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2answers
317 views

How to Stop GFCI tripping when current drops too quickly?

I have my entire aquarium running off one GFCI. My lights are plugged into the top outlet and all of my pumps/etc are plugged into the other. If everything is running and I cut the switch (on the ...
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0answers
19 views

Ups as stabilizer for macbook charger? [closed]

I damaged my macbook charger due to power surge or drop maybe not sure when switching to and off power from home generator To prevent it in future can i use a ups with the charger to prevent such a ...
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4answers
493 views

Is Ground plug replacement necessary?

The ground prong on my backpack vacuum came off and stuck inside a wall outlet. Should I replace the plug or does the ground not matter much? The plug itself gets really hot now when I use the ...
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3answers
20k 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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2answers
90 views

Does this wiring look normal? If so, how can I connect a porch light to it?

I'm getting ready to (finally) connect a porch light for my outdoor office. The overall wiring looks like this: 1) A sub-panel outside feeds a circuit into the shed: 2) The line goes from the ...
3
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3answers
58 views

How should I connect a fixture to this outlet?

I'm replacing a light fixture in my house and am a bit confused about how the old fixture was wired. There are two pairs of wires, 2 black, 2 white and 2 ground. The two black wires were capped off ...