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. Posting photographs of wiring junctions or drawing a wiring diagram and posting ...

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1answer
243 views

Joining 8 wires into one

I have the cables from 9 bulbs joined into one using a screw terminal temporarily. What is the best thing to use to do this in a way that's waterproof and suitable for outdoor use. Whatever i use ...
6
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1answer
424 views

Is it okay two breakers are controlling the same outlets and appliances?

To be specific, we recently had some electrical work done. The electrician added a second panel. He left without labeling anything. So today I've been testing outlets and switches trying to figure out ...
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4answers
288 views

What does wire loops on the wall for?

I bought a house recently, and there are wires in the walls under stucco. But in basement these wires are go out as a loops not far from the ceil. What are they for? Are they for lamps? If yes, then ...
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2answers
2k views

What are the pros/cons of different wire connectors on a switch/outlet? OR How can push-in wire connections fail?

Prompted by an answer on Concerns about replacing a worn out light switch Also related: When to use holes instead of side terminals to wire an outlet To my knowledge, electrical components (...
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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. ...
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1answer
158 views

Why Does Over Kitchen Sink Fluorescent Use More Watts Than Bulb Says [duplicate]

I have an Efergy Elite unit that measures the watts used for any circuit its connected to. Right now I'm using it to monitor the circuit with our fluorescent light over the kitchen sink and something ...
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4answers
3k views

Concerns about replacing a worn out light switch

Our home is about 3 years old. New construction. New parts. The main lights in the kitchen are a 4-way circuit (3 switches, + lights). Since we primarily come into the room from one side, one ...
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3answers
2k views

Why am I getting strange results when using a power meter to measure CFLs?

Over the years we have replaced just about every bulb in the house with a CFL. But here is the problem. Our electric bill is going up and not down. When I moved here 3 years ago we spent about $140-...
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2answers
10k views

How do I install this flush-mount ceiling light?

I bought a new flush-mount ceiling light and am having a tough time figuring out how to get it installed. The instructions that came with it are completely useless. Here are all of the pieces that ...
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2answers
1k views

can we use UPS as stabilizer for 1.5 ton AC?

I bought split A.C 1.5 ton Samsung AR18FC5efbh model. Can I use an 800VA Microtek UPS as stabilizer for this 1.5 ton A.C? AC Specs http://shopping.indiatimes.com/electronics/split-ac/samsung-1-5-...
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4answers
1k views

Any problem with installing two identical circuit breakers in series?

Suppose I want to reduce risk of a circuit breaker malfunctioning and failing to disconnect a shorted circuit. What if I install two identical breakers sequentially (one after another) so that if one ...
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1answer
153 views

Why do I detect voltage on my ground of surge protector?

Renting an older home and upon moving in was saddened to see outlets without grounds (two prongs). So, for one of the outlets I bought a 2 to 3 prong with ground clip and ran the ground to some vent ...
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0answers
117 views

Terrarium electric board

[hope this isn't off topic for this board] I'm doing a DIY electric board for my terrarium: in case something goes wrong at least the whole electric circuit won't switch off. My current setup is a ...
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1answer
513 views

How do I detect live electrical wires with a degree of confidence?

I'm using a Zircon stud finder that can supposedly detect live electrical wires but I get inconsistent reading. Is this normal? Anyways back to the original question, how can I detect live electrical ...
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0answers
383 views

What is the part name/type for my fridge door sensor connector?

I have a three-door LG fridge. Each door has a button that gets pushed in when the door is closed, so it can turn off the light, etc. The button is connected to the wiring with a U-shaped plug ...
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1answer
1k views

One switch controlling 2 lights

I am replacing a 3-way switch that controlled two lights in a bathroom. There is only one switch, but controls two lights. The old switch worked fine. But now when I replaced it, in one switch ...
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2answers
518 views

Does NEC allow for recessed lighting to be placed in a vertical wall?

I am about to start running electrical in my bathroom remodel and I am considering options for lighting. I have a wall on one side that has 5.75" of space (this was for recessed shelving in an ...
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1answer
831 views

What do the buttons on a Comelit Okay Simplebus2 Intercom/door entry system do?

I've got a Comelit Okay Simplebus2 door entry system which yesterday wasn't able to be used to let someone into the building, however I'm not sure if the buttons next to the phone were being used ...
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0answers
28 views

dual GFCI circuits with multiple protected outlets, all sharing a neutral [duplicate]

I'm trying to wire two GFCI circuits sharing a neutral. The line is coming in from a 2-pole circuit breaker. I want to have two circuits at each location, each protected by a GFCI upstream. ...
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6answers
19k views

What is causing my circuit breaker to trip instantly and trip the next breaker too? Update - Video Added

One of my circuit breaker trips instantly. I try to reset it but it trips immediately and trips the breaker under it too. I can reset the break next to it and it is fine until I try to reset the ...
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3answers
392 views

Why can't I measure 240V on this wall heater wiring?

I am replacing a 240V wall heater. I get 120V from black to ground but 0V from black to white and 0V from ground to white. Is this correct? The old heater worked but not really well. There was a ...
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2answers
903 views

Can 18/2 CL2 barostat cable be used for speakers?

We're wiring our kitchen for a stereo speaker system. There was only enough 18 gauge speaker wire for one speaker, so the electricians used 18/2 barostat wire for the other. The speaker cable seems ...
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1answer
730 views

Is it safe to use a 50 metre (164 foot) mains extension cable?

Amazon UK sell 50 metre extension cables that use standard UK plugs: http://www.amazon.co.uk/Silverline-200084-Metre-Cable-Reel/dp/B000LFZ49Q/ref=sr_1_1 Is it safe to use an extension lead this long?...
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1answer
6k views

Can I run a 50 amp circuit underground?

I need to run a 50 amp circuit (120/240V) from a shed to a travel trailer that is permanently in place. The previous trailer had 30 amp 120V service running underground to a mounted/covered outlet ...
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2answers
20k views

Is it okay to not connect the grounding wire to a ceiling box?

Is it ok to connect the ground wire of a new light/fan fixture to the ground wire of the house without connecting them to the ground screw in the outlet box? The new ceiling fan/light had a ...
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1answer
22k views

What should I do with the extra grounding wire in my ceiling fan box?

I am installing a Hampton Bay Ceiling Fan that has a transmitter install for the remote. I have a green ground and a bare copper ground coming from my ceiling box. I have a green ground coming from ...
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2answers
33k 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 ...
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0answers
584 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, ...
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1answer
869 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?
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2answers
1k 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 ...
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3answers
1k 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. ...
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1answer
800 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 ...
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1answer
17k 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 ...
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5answers
32k 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 ...
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1answer
5k 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 ...
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1answer
325 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
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2answers
15k 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
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1answer
2k 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 ...
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3answers
9k 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 ...
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1answer
147 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
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1answer
117 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
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1answer
8k 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 ...
2
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0answers
304 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
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2answers
926 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
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2answers
33k 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 ...
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3answers
7k 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.
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2answers
4k 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 ...
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5answers
13k 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 ...
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1answer
281 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 ...
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2answers
10k 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?