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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2
votes
2answers
13k views

Ceilling light wont switch off after a new installation

I have bought a new ceiling light to replace an old-fashioned one. I have 3 grey cables hanging from the ceiling: 3 red wires connected together and 3 green wires connected together and 3 black but ...
0
votes
0answers
356 views

How do I appropriately wire the transformer in a light fixture?

I'm replacing a dinning room light fixture, but it differs from the one that was there. Can anyone tell me how these wires should be attached? The black and white wires lead to the halogen lights, ...
4
votes
1answer
594 views

How can I add a switch to separately control a light and fan?

I have a single switch that turns on/off both a light and a fan. How do I add a switch so that each is controlled by its own switch?
1
vote
2answers
589 views

How should I properly ground a separate building?

I installed a sub panel in a building that is around 200' from the main panel so I omitted the neutral and ground from the main panel therefore running only the 240V from the main. I hammered a new ...
0
votes
3answers
633 views

How do I install a dimmer switch?

A friend was trying to help me install new dimmer switches and instead of disconnecting one wire and putting it on the new switch, he just cut the wires and couldn't figure out how to put them back. ...
4
votes
1answer
458 views

How to turn off a light sensor LED light?

I've got a light on my condo building and I'd like to figure out how to turn it off. It's currently operated by an automatic light sensor (turns off when it gets dark). I want to setup better ...
5
votes
1answer
6k views

What type of wire should I run when updating a ceiling fan?

I started to change out my ceiling fan and noticed the support brace is actually laying on the drywall and not firmly attached to a beam. I also noticed the new fan has a blue wire where the wiring in ...
2
votes
4answers
11k views

Why am I seeing voltage on the neutral wire from my 3 phase power supply?

I am not an electric engineer so I can only explain\understand in layman language. I am facing a persisting problem in my house. I have 3 phase and one neutral till my main electric board through ...
0
votes
1answer
2k views

Why isn't my mini fridge getting cold?

I recently got a mini fridge from my neighbor. He said he didn't want it because it wasn't keeping his food cold. I examined it and it is a brand new mini refrigerator in good condition except for the ...
1
vote
1answer
201 views

Shorted a wire and now no outlets work

I turned off the wrong circuit breaker by mistake and when I cut a wire thinking it was dead there was a large spark. I went to the circuit breaker box and the circuit breaker did not look as though ...
5
votes
2answers
7k views

Is it acceptable, or to code, to splice electrical wire outside of a junction box behind drywall? [duplicate]

I'm planning to add a set of recessed lights to an existing circuit in my home. The existing circuit is fairly simple: one light, controlled by one switch, and there is no insulation in the wall or ...
5
votes
1answer
1k views

How can I plug my 3 prong dryer into a 4 prong receptacle?

My dryer blew up and there is no chance of repair — it was pretty old anyway. I found a used dryer and brought it home. Unfortunately, the cord don't match the receptacle. I Need to know if ...
4
votes
3answers
4k views

Why does a GFCI trip when anything is plugged into the other outlets?

There is one outlet with the GFCI and several other outlets without. The GFCI outlet works fine, while anything plugged into the other outlets causes the GFCI to trip. How should I detect and fix ...
0
votes
1answer
124 views

Code Question in regards to 120V / 20 amps

I am looking to install a 24-outlet Vertical Power Strip (Tripp Lite PS7224-20), to help have enough plugs for my computer equipment in the basement. Currently I have traced out the wire in the house ...
2
votes
1answer
104 views

Why would the breaker be tripping after removing a ceiling fan?

I removed a ceiling fan and capped off both wires but my circuit breaker trips. Is it possible that the fan was in a pathway with some thing else? If so, do I just connect those wires together? There ...
2
votes
1answer
5k views

How do I know if a ceiling fan with light and the switch are wired correctly?

There was a old ceiling fan with light and remote in a bedroom of my house that didn't work. It also had a switch with 2 knobs that pushed in and turned labeled motor control and 300 w perm instld ...
1
vote
0answers
215 views

Why does my new lamp hum while turned off?

I just changed the ceiling lamp I had in my kitchen, from an ancient one (probably more than 20+ years old) to new and beautiful hanging one. I also switched from the old incandescent bulb to a CFL. ...
3
votes
2answers
562 views

Why are the neutral wires not connected in this box?

I want to connect the wiring from my shed into a junction box on the ceiling in the basement. I opened the box to see what I was dealing with, I figured it should be simple, there is only 2 wires ...
6
votes
2answers
13k views

Can I replace this receptacle that has four wires connected to it?

I'm in the process of replacing all of the electrical outlets in our kitchen to match the color of a new backsplash. Three of them were straightforward. The fourth and fifth, however, were wired ...
3
votes
3answers
3k views

What ampacity circuit breaker would I need for an 18 amp electric heater?

What ampacity circuit breaker would I need for an 18 amp electric heater? Here's a link to the model (IEP-4024), it's North American, 240 volts, 4000 watts, installing it outdoor.
5
votes
2answers
2k views

What problems could occur if I plugged a 3-prong plug into a receptacle labeled “No Equipment Ground”?

I have several old, ungrounded outlets in my house which are protected with GFCI, which is allowed per code as the GFCI will protect a person in the event of a ground-fault. These outlets are ...
5
votes
5answers
4k views

Why is it good practice to remove sheathing from NM wire when going through conduit?

I've been discussing specifics of an electrical job with a licensed electrician and he mentioned that in my area, it's acceptable/recommended to feed 12 gauge NM wire through an outdoor conduit but ...
1
vote
1answer
193 views

Why does the second light go out when the first bulb is removed?

I have recently added another light fixture to a switch that used to just control 1 entry light. Now that switch controls both of them & have found out that they are both dependent on having ...
1
vote
2answers
5k views

Can I safely plug a 13amp washing machine into a 15amp power socket?

I have a 15 Amp wall socket and recently bought a washing machine with a 13 Amp plug. Can I plug the washing machine into the 15 Amp wall socket using an 3 round-pin to 3 square pin adapter?
1
vote
0answers
506 views

Why do I have a 3 wire/double pole breaker for kitchen receptacle?

I am switching my kitchen receptacle to a GFI; it has 3 wires. I'm pretty sure I have to break the bar between the two hot screws, thus making the top and bottom on a separate circuit. What is the ...
5
votes
2answers
11k views

Why does my receptacle tester say open ground on my new outlet?

I replaced an outlet and the tester says open ground. I checked all the wires and they are secure including the ground wire. What could be wrong?
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vote
2answers
900 views

What would cause my LED tape to flash when plugged in?

I just removed our new tape lighting and plugged it in. The brand name is Patriot Lighting 12 volt 16.4' flexible LED tape light. All it does is flash on and off. Any suggestions?
0
votes
1answer
438 views

How can I repair this Ikea light fixture that seems to be missing parts?

We found this chandelier at IKEA in the as-is section (apparently formerly a floor model), and as it seemed to be in perfect condition, 50% off the retail price seemed like a good deal. Unfortunately, ...
3
votes
1answer
3k views

When wiring a switch loop, which wire is which?

If you're wiring up a lighting circuit, where the power enters at the lighting outlet. According to the National Electrical Code, which wire should be "hot" and which should be "switched hot"? ...
1
vote
1answer
96 views

How can I calculate the number of solar panels required to power a specific load? [closed]

I recently purchased a home in Maricopa AZ. With that said, I'd like for it to be most efficient. It has a forced air system for heat and cooling. I don't know the size of the cooling unit. How does ...
0
votes
2answers
216 views

Are electrical subpanels safe in the bedroom?

If not, how do you correct it, or can it be moved without making too much work?
1
vote
2answers
199 views

Is it code to have electrical wire going no where?

I have a wall open in the center of my house. I am going to run some 14-2 up it and and to about 5 feet from my panel, leaving plenty of extra wire to hook up in a few months. On the other end I am ...
3
votes
3answers
2k views

Can a dryer receptacle be wired without a neutral?

In my apartment, I have a 4 wire 240V receptacle for a dryer where the neutral is not connected, only the 2 hots and ground. Is this configuration permitted for a dryer circuit? An electrician and ...
2
votes
2answers
2k views

Wiring a double light switch

Hoping for some help I am fitting a new double light switch were one of the switches is a 2 way light. The back of the light switch looks like this C C L1 L2 L1 L2 Now the problem ...
3
votes
3answers
2k views

How can I safely work around power lines?

I have to do some painting and repair work on the outside of the house near the incoming power line. The repair is pulling off molding and replacing it as well as painting the surrounding area. I am ...
9
votes
5answers
34k views

Do the breaker amp readings sum up to dictate my current panels total / possible amperage?

So I know practically nothing about houses having rented for many years, just bought a house and was told by my inspector the panel is only a 70 amp panel and will need to be upgraded before I go to ...
2
votes
2answers
1k views

How should I center a light fixture when there's a vent stack in the way?

I've got a wastewater vent stack that is dead-center behind the master bath vanity. (See attached picture.) Previously, there was a single light fixture. You can still see the box, which wasn't ...
1
vote
0answers
110 views

Will I have any issues installing an in-floor heating mat with premix mortar?

I installed a radiant floor heating mat under ceramic tiles using a premix mortar. I now understand this was not the right thing to do. After further research the only reason I can find that suggests ...
2
votes
0answers
61 views

Metal back on a slide in electric range

Is it necessary to keep the metal back on a slide in electric range. I have a fan that comes up from the back of the counter and it needs a little more room. The new range will not slide back as far ...
2
votes
1answer
2k views

Is it possible to do two 3way switched circuits that share a common power source but the power source and the light wire are in the same box?

I'm trying to connect two separate circuits from a single power source using 3way switches. My trouble seems that my wire from my light and my power source are in the same box. Is there a way to do ...
0
votes
3answers
11k views

Why does my Central A/C Keeps Blowing its Fuse?

For years, my A/C condensing unit has blown a fuse once, maybe twice a year. It's 27 years old now and blew a few fuses last spring. Now it blows a fuse every few days. So, I replaced a bad running ...
1
vote
0answers
505 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 ...
2
votes
1answer
562 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
votes
1answer
746 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 ...
1
vote
2answers
679 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 ...
3
votes
1answer
194 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
1k 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. ...
1
vote
4answers
4k 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. ...
5
votes
3answers
15k 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 ...
4
votes
1answer
142 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 ...