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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3answers
108 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 ...
2
votes
1answer
140 views

How much extra wire should I have in my electrical panel?

Question: What are some rules of thumb for leaving extra wire within an electrical panel (if any) and routing the extra wire (e.g. create a single loop from the extra wire) to maintain balance ...
2
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2answers
2k views

Do 240V receptacle use the same connectors as 120V receptacles for the same amperage?

I feel like I'm missing something obvious. I know different plug styles are used based on a circuit's amperage (in the US) but is the same style of plug used for both 110V and 220V outlets of the same ...
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2answers
177 views

What should I do about a stubborn screw on the middle of a dryer cord connection?

I am attaching a 3 prong dryer cord to a dryer. The middle connection is being stubborn. The screw gets to a certain point and is stuck. It will not tighten and the connection is very loose. Can I ...
2
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1answer
40 views

Why are ungrounded GFCIs required to be labeled?

I discovered in my new house that someone had incorrectly connected grounded outlets (without any ground connected) to the knob and tube wiring. I have read that the outlets can be made safe by ...
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0answers
13 views

Wiring multispeed PSC motor from ceiling fan

I disassembled a ceiling fan to replace seized bearings. Unfortunately the pics I took to aid re-assembly are no longer accessible and the fan is an '80s era no-brand which I can't find any info for ...
2
votes
2answers
84 views

Why do my bedroom and kitchen lights switch off or on without operating them from the switch?

I connected a ceiling Fan to my En-Suit, and ever since that night, my Bedroom and kitchen lights are switching on and off at irregular intervals. But the fan is getting power from a circuit breaker ...
3
votes
2answers
110 views

How should I apply ambient air temperature ampacity correction factors when exact temperature is unknown?

Is there a good method or rule of thumb for determining ambient air temperature for wire runs through non-climate controlled areas in residential applications (e.g. attics -- I've read literature from ...
2
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1answer
68 views

How do I make two wall switches work in coordination, wirelessly?

I remodeled my kitchen and added under cabinet lighting. The under the cabinet lights are controlled by a wall switch on one side of the kitchen. The overhead recessed can lights have a switch on ...
5
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6answers
3k 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 ...
12
votes
3answers
22k 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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1answer
228 views

What voltage adapter do I need for a 5 meter 5050 LED strip?

I have a 5050 5 meter LED strip and it requires an AC/DC adapter to run the full strip. I was told that I needed a 2A adapter, but I went to electronic store to buy an end adapter and they said this ...
2
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1answer
85 views

How do wire this 2-gang dimmer switch?

I'm trying to fit a dimmer switch in my living room. I have two pendent lights controlled by a single wall socket with two switches one for each light. My property is a new build and in the UK. So ...
0
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1answer
33 views

Adding ground to an existing conduit

Continuing my basement shop brainstorming... As I said in another question, the good news is that I've got a 30-amp 240V circuit more or less in the right place and available, and easily accessible ...
3
votes
1answer
107 views

Specialty stove wire and box fill

This armored wire shows 2 sets of wire crimped and a ground. For box fill would this be considered 3 or 5? Does this increase amprage and voltage allowances? Is there any other circumstances a ...
6
votes
5answers
42k views

How can I stop my lights dimming when my Air Conditioning turns on?

I have no noticeable problems with my house's electricity, but when my Air Conditioner kicks in (and here in Central Texas, it kicks in year round) my lights dim for a second or so and then run ...
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0answers
20 views

Eletrioncs , such as a laptop [on hold]

My laptop Charger is making hissing noises but when i unplugged it from my laptop it does not make that noise whats the problem
4
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2answers
80 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 ...
0
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0answers
39 views

How do I prevent my generator from permanently tripping my GFCI breakers?

I have an old house with a new addition. The new addition has a subpanel to the od house panel. This new subpanel required GFCI breakers. When I started the generator it tripped all these GFCI ...
0
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1answer
45 views

Is there any reason to put 2 GFCI outlets in a 2-gang outlet box?

Is there a downside to using a single GFCI plus a regular receptacle in a 2-gang box? This is in a bathroom, in LA County, and the work will be inspected, if it's relevant.
0
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0answers
14 views

Manufacturing facility [on hold]

What is the height requirements for an electrical drop. Does it have to be 7ft or higher off the ground? Also, do 480 volt outlets required to have caps on them?
0
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0answers
31 views

Install one dimmer switch which is one 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 on opposite sides of the room. Either one can turn off or ...
0
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2answers
249 views

Can I use a WiFi thermostat without a C wire?

I have a very old Honeywell programmable thermostat. I am going to replace it with a White-Rodgers UP500W Emerson Sensi WiFi Thermostat. I just want to know if the WiFi unit will work without a C ...
0
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1answer
57 views

light switch is apparently broke, but the light stays on

my light switch apparently broke with the light on. Now the light will not turn off. Is it safe to leave the light on overnight with the switch broken?
4
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3answers
13k views

Can my generator power my deep well water pump?

I have a 120/240 volt generator with an output of 3250 watts peaking at 3750. I want to be able to power my well water pump but I'm getting conflicting answers on whether this generator packs enough ...
0
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1answer
43 views

Microwave Oven Outlet

Wondering if somebody could please let me know where I should put my receptacle for the microwave in my kitchen. It's an over the stove microwave/range hood type. I was going to install it in the ...
1
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1answer
30 views

Question about this DIY light fixture and grounding

http://www.mysimplysimple.com/lighting-diy-office/ I was looking into the above light fixture project, and I noticed that it has no ground wire. Most of the videos I have looked into about replacing ...
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3answers
506 views

How to install 230V Light with Light-activated-resistor?

I am trying to set up light-activated-resistors that activate a light during dark hours. I have bought a ready Chinese thing that apparently contain a driver to change from AC to proper DC output for ...
0
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1answer
39 views

Chattering contactor, what should voltage be when AC is on/off?

I have a Nest thermostat that I believe is the culprit of this issue. I've already replaced the contactor once and now the new one is chattering and not kicking the AC on. When the AC is turned off, ...
2
votes
0answers
33 views

Why would an LED stop flickering when connected in parallel with an 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 ...
2
votes
1answer
89 views

Is it expected for an empty house to use 14 kWh per day?

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 ...
2
votes
1answer
43 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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0answers
38 views

Do It Yourself wiring breaker box [on hold]

I need. To no what color wires go where in the breaker box in the houe i have two red two black purple one green. Do i put the red and black together im lost DIY LITES😨
1
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1answer
71 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 ...
2
votes
1answer
125 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 ...
0
votes
1answer
41 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 ...
1
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2answers
39 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 ...
2
votes
1answer
67 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 ...
2
votes
1answer
68 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?
2
votes
1answer
115 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 ...
1
vote
1answer
46 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 ...
6
votes
2answers
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 ...
1
vote
1answer
120 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 ...
5
votes
3answers
22k 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 ...
0
votes
1answer
36 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 ...
0
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0answers
22 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 ...
0
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1answer
40 views

New Common Wire To Programmable Thermostat-What Went Wrong? [on hold]

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 ...
4
votes
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
49 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
81 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 ...