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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1
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4answers
102 views

Laser printer on same circuit interferes with lights and LCD monitors

I have a newly built 110V 20A basement office wired with 12/2 with eight T8 bulbs overhead, 850 watt PC, three LED monitors and a big Canon MF8380Cdw laser printer on the same aforementioned 20 amp ...
0
votes
1answer
28 views

Receptacle not working

I have a receptacle that notoriously trips a breaker. However this time the receptacle stopped working as in nothing plugged in will work but will work everywhere else, and it did not trip the ...
1
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2answers
45 views

Why is an outlet box outside of the wall?

I'm considering putting an offer in on a house and am questioning this outlet prior to being able to do a home inspection. Is there any reason to be alarmed that this outlet is boxed outside of the ...
1
vote
3answers
180 views

Is it safe to ground a portable generator using the house ground at the service panel?

I've bought a portable generator that I'll use when the power goes out. The instructions in the paperwork state that the generator needs to be grounded before use. Can I use the house ground at the ...
7
votes
9answers
861 views

Does a receptacle have to supply the max current that it is rated for?

Suppose you come across a L5-30R (120V, 30A receptacle) somewhere. By spec, can you assume that there will be 30 amps at it? Follow up: if you come across a L6-30R (250v, 30A), does it have to ...
10
votes
5answers
28k 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 ...
3
votes
2answers
104 views

Is is possible to have “bad” electricity in your home?

I live in a small 5-unit condominium building in a city and have noticed that light bulbs are constantly popping well ahead of their anticipated shelf life and other electronic equipment (most of it ...
0
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1answer
45 views

Dead circuits with breakers across from each other

I have 4 dead circuits which were intermittent off/on at first- now dead. The 20 amp dual tandem breakers are across from each other in the breaker box. The breakers/circuits above and below the ...
1
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1answer
36 views

Why is my 3 way switch suddenly not working?

I just replaced the switches on a 3 way light fixture and wired them exactly how they were from the wall before. When I turned the power back on everything worked fine and the 2 switches activated ...
7
votes
9answers
37k views

How do I uninstall a receptacle when the wires are stuck?

I just installed a receptacle in my basement and I realized I need to reinstall it someplace else. The leads are inserted into the holes behind the receptacle and I can't get them out! The ...
4
votes
2answers
58 views

One 4-way switch and two 3-way switches

I decided to be handy and change all of my receptacles in the house. Everything went well until the garage. There are 3 light switches in the garage that go to 1 light source that has me stumped. Two ...
1
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1answer
37 views

How do I wire a 3 wire receiver unit to a ceiling fan that has 6 wires from the fan unit

Original switch was a mechanical wall mounted (plugs into an electrical outlet) push button switch (3 buttons for each of 3 speeds, 1 button for the light, one off button and one slide switch for ...
2
votes
1answer
119 views

Can I hide a transformer in a metal box in my cabinet?

I put LED lights under my cabinets. I ran the wires into the cabinet where I put a 4 in metal box. Was going to put the small unit and wires inside the box but noticed the transformer gets real warm. ...
1
vote
1answer
13 views

3-way switch AND sgl pole dimmer in one gang [on hold]

I have a problem...I only have room for a single gang box. Currently a 3-way switch resides there. We need to add a single pole, dimmer switch to the box. Isn't there a fan switch that would house ...
2
votes
0answers
20 views

Garden light connected to main lounge light stopped working

I have recently moved into a new property and all light fittings came with no shaders/were pretty basic. I have then proceeded to (safely) remove the light fitting of the living room, replaced it with ...
2
votes
2answers
41 views

Shower Light connected to bathroom ventilation fan. Does it need GFCI?

I am going to attempt to make this as clear as possible. In my bathroom, there is a switch that directly controls only the bathroom ventilation fan. I would like to add a recessed light over the ...
2
votes
2answers
73 views

Moving electrical panel. Do I need to rewire all circuits?

We are planning a large remodel in our home. As part of creating a basement apartment we have to relocate the electrical panel so that it's accessible to us as well as the tenants. We will do that by ...
0
votes
2answers
35 views

Noisy exhaust fan starting itself

Our bathroom exhaust fan is located on our second floor bathroom. It's the original installed in 1986. Suddenly, it started to make an unbearably loud noise upon operation. So loud that the sound ...
1
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1answer
5k 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 ...
9
votes
10answers
32k views

How can I get a shock from a circuit when the breaker is off?

While I was replacing an old outlet, I received a shock from something in the box. I think it was the metal box itself. Before I started, I performed the following to ensure the power was out: ...
1
vote
3answers
11k views

What to look at first when when circuit breaker that fridge is on is tripping?

I have a house where the circuit breaker has tripped a few time over the last several days. It flipped one evening, we flipped it back and was ok for a couple days. We went away for the weekend and ...
1
vote
3answers
82 views

NEC 6/12 rule clarification

I understand that you must have an electrical receptacle 6 feet from any obstruction or break in the wall, such as a doorway, and no more than 12 feet from the previous electrical receptacle. Does ...
1
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0answers
16 views

How to mount an exterior light that doesn't cover the junction box [duplicate]

I'm trying to mount this light on the exterior of a house, but it doesn't cover the hole like the existing lights do. In some places there's an existing light that's mounted directly to a junction ...
6
votes
3answers
49k views

How to properly wire a ceiling light fixture?

I rent an apartment and a tenant installed ceiling fan that was not well secured to the ceiling. I removed the fan and attempted to re-install the original light fixture after he moved out. I am ...
3
votes
4answers
458 views

Tripping Breaker

One evening, my lights in the living room went out. I checked the breaker and it was tripped. I turned it back on, and now it keeps tripping. This has never happened before. Could this be a bad ...
0
votes
1answer
94 views

How can I prevent my computer from interfering with the TV signal?

I have an antenna tv and every time I turn on my computer, it knocks out the signal to my tv. I have tried plugging the computer in to different areas in my house and buying a booster for the antenna ...
2
votes
1answer
26 views

Can I change an outlet circuit to 240V (NEMA 6)?

I'm in an American house sitting in a jurisdiction that applies NEC 2014 unaltered. I've got a home office room with all the outlets on one 20A circuit. It is legal to 2014 code in all respects. Who ...
5
votes
1answer
3k views

When is it generally safe/acceptable to use a wire nut?

Can someone please clarify for me when exactly it's safe/acceptable to use wire nuts? Regional building codes withstanding, I think the general rules of thumb are: Only use wire nuts in ...
1
vote
1answer
31 views

GFCIs tripping on their own

I have GFCIs on their own breakers that will trip when lights on a separate breaker are turned on. To reiterate, the lights that trip the GFCIs are not fed from the tripping GFCIs. What could cause ...
1
vote
8answers
13k views

How can I locate and repair a break in a circuit?

After some effort, I have determined that there is a discontinuity between the wire from the breaker (hot wire) and the receptacle (socket). The breaker is okay because couple of other sockets in the ...
4
votes
7answers
8k 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 it's not a true RMS meter and thus is unable to give you accurate readings on a CFL or LED installation. ...
1
vote
1answer
25 views

LED bulb with slow on motion detector

Can an LED bulb be used with a retarded on motion detector? Incandescent bulbs come on slowly with this type of detector to extend the lamp life. These are externally mounted on an electrical box ...
0
votes
1answer
49 views

Safe way to remove an outlet

We recently removed a wet bar from our living room and we're going to replace it with a kegerator. On the wall above the wet bar, there are currently two switches and one outlet, but not in a row; one ...
0
votes
1answer
35 views

What would cause a led light to turn off after one second?

I have an older house for number of years. I got tired of the old kitchen light and decided to replace it with led light. I bought a kitchen led light that is oval in shape and takes two 13 inches ...
1
vote
2answers
55 views

Use cat5e 2-pair RJ11 cabes for network connection

I've thought cat5(e) means always RJ45 lan cable. But my house has "cat5e 2-pair rj11 green (data) cables" from the living room to each room. My internet router is in my living room in the 1st floor ...
0
votes
2answers
40 views

Adding a light fixture to an existing fixture

I added a new light fixture by splicing into an existing fixture. When I turn the light on, the existing light comes on, when I turn it off, the new light comes on. What have I done wrong? I want ...
4
votes
3answers
600 views

What is a line to neutral load?

I'm looking at the electrical code and it states "Multiwire branch circuits shall supply only line-to-neutral loads." Could someone explain what line-to-neutral loads are?
3
votes
4answers
114 views

Is this switch a three-way?

I am replacing these two switches and not positive how the right switch is wired. The left switch is the only switch that runs to our porch light and the right switch is the only switch that run to ...
8
votes
1answer
3k views

Why would a single electric receptacle stop working?

A single receptacle suddenly stopped providing electricity in my living room. It is not a GFCI. The other outlets work fine and the circuit breaker didn't trip. Any ideas?
4
votes
3answers
89 views

measuring electricity on a shared circuit

I live in a flat above a business and my utilities are all shared with the business. I need to measure my electricity usage so I can reimburse the business. I do not need to measure the gas. Can I ...
4
votes
5answers
123 views

Can I use 6/3 NM-B cable for a 120v 20 amp circuit?

I just removed a hot tub spa from my backyard. I am wondering if I might be able to use the 6/3 cable for an outdoor electrical outlet? Could I change the breaker to a 120v 20 amp breaker. Then ...
0
votes
1answer
45 views

Time for a Box Upgrade (to 200A)?

So I have 2 units on my property with solar on each, totaling 7K. My front unit I use as an office and already upgraded the box there to 200A. In the back I still have 100. I have central air right ...
2
votes
1answer
128 views

Why won't my lights stay bright with a dimmer switch?

I installed a 700W incandescent dimmer. Lights go dim after about 10 seconds when I turn on.
1
vote
2answers
117 views

Confused about wiring outside light fixture with multiple switched romex lines

So I am trying to replace an outside motion detector light fixture that was removed before I bought the house and the only things left were the plastic base in the eave and electrical taped romex ...
1
vote
1answer
113 views

20 amp circuit breaker trips after a few minutes or sometimes hours later

The 20 amp circuit breaker that controls my man cave, my rear patio lights including a lampost, and some outlets in my back yard started tripping about two weeks ago. Currently the lights and outlets ...
0
votes
1answer
40 views

Master bedroom switch must be on in order for spare bedroom lights to turn on

I just bought a house, had it inspected and everything but when I get Possesion I find the lights don't turn on in the spare room. I then find they do turn on but the master bedroom must be on at the ...
0
votes
1answer
19 views

Electrical light switch circuit split

I have one inside switch that turns on 3 porch lights. I would like to install a ceiling fan where the middle light is but do not want the other two lights on the same circuit to turn on. How can I ...
0
votes
4answers
80 views

GFCI Problem wiht Three-Way Switch WAS Two Switches Neutrals Only, Switched Hots Not Used

I replaced an old two-prong receptable with a three-prong GFCI (no ground) yesterday. It won't reset. I found out that "downstream" there is a light on the next level down that is controlled by two ...
0
votes
0answers
378 views

How do I rewire two light fixtures controlled by two three way switches into two separate circuits?

I apologize if the title doesn't make sense so let me explain what I'm working with and what I'm trying to do. Currently, the light fixture in my foyer and the light fixture in my front hallway are ...
0
votes
1answer
253 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 ...