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
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2answers
2k views

Is a splice permitted in a PVC conduit body?

I'm talking about something like this Type LB Conduit Body
1
vote
3answers
222 views

Why do my LED Christmas lights glow when plugged into a light fixture via an adapter?

I have an outside light that is controlled by a light switch inside. I took the light out and put a adapter to plug in an extension cord to run LED Christmas lights. When I turn the switch off, just ...
3
votes
4answers
6k views

What is the purpose of the “grounding” tab/wire on a 3-prong to 2-prong adapter?

We've probably all seen these guys... They come in handy when you need to plug something with three prongs, into something with two prongs. What I've never understood was, what the heck is the ...
1
vote
3answers
595 views

Why would my TV turn off/on when connected to a surge suppressor?

I have a very strange problem which may or may not be the TV. The TV is plugged in to a surge suppressor with the rest of my home theater. Satellite box is also plugged in to the suppressor, ...
3
votes
3answers
16k views

What is the typical dishwasher/disposer electrical connection?

I need to provide power to a instant hot water dispenser that I recently installed myself in our circa 1950 home. I'm about to have my dishwasher replaced and am wondering what the typical electrical ...
2
votes
1answer
235 views

Can I plug a 15A snow thrower into a 15A receptacle?

I'm planning to buy a snow thrower with a 15A motor in it. I have an outside receptacle that's rated for 15A and so is the breaker in the electrical panel. I'm wondering if this will work without ...
4
votes
1answer
12k views

Can I replace a 15 ampere circuit breaker with a 20 ampere breaker?

When I plug-in a conventional heating pad or a hair dryer into any bedroom duplex, the lights dim; and/or trips the circuit breaker. The home is of new construction-- placed in service 31 Dec 2013. My ...
0
votes
1answer
238 views

Is it safe to connect a timer to an instant hot water dispenser?

I'd like to connect a timer to my new instant hot water dispenser. The installation instructions mention not to use an extension cord, but I'd like to make the timer accessible under the cabinet so I ...
1
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3answers
392 views

What are the pins in this socket?

What's the correct orientation for a plug in this outlet? What are line, which are neutral, which is ground? It's from India.
3
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2answers
4k views

How can I find the first receptacle in a circuit?

I know how to wire a GFCI receptacle and all the things to go with it in doing so. But what I do not know is the following. I understand the GFCI receptacle should be first in line to protect the ...
1
vote
1answer
146 views

Integrating into knob-and-tube wiring: okay to borrow a ground [duplicate]

I have a mixture of knob-and-tube and NM-B. If I'm extending from knob and tube, but I have a (different) an NM-B circuit nearby, is it technically allowable to ground via ground wire in the other ...
0
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2answers
885 views

Wiring Bathroom Fan Switch

I'm trying to wire a new single pole dimmer (two black wires, one ground) and single pole switch (no wires, just screws) for the fan in my bathroom. What I see coming into the box is three separate ...
2
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2answers
26k views

How can one whole group of outlets stop working, but the wires to one plug on one outlet are still hot?

I have a bank — circuit? — of outlets in the kitchen that have stopped working. One of these outlets is a GFCI but it is not tripped. The breakers for all the kitchen outlets have not tripped but I ...
2
votes
1answer
183 views

How to reroute a circuit that goes through a return air plenum

Old house, need to replace a wire where the insulation has been stripped off from when the original installer pulled it through a joist. Normally I'd just follow the original path of the old wire, ...
-1
votes
4answers
6k views

Since neutral is connected to ground how is current kept off of ground?

If neutral is connected to ground and current desires ground then I would think it would go to ground. But my understanding is that it is kept off of ground until it's "upstream" of the breaker box, ...
0
votes
1answer
10k views

How do I wire a 3-way motion sensor?

I am trying to install a motion sensor switch on a 3-way switch in my laundry room. both 3-way switches function normally if I use them now. One 3 way switch, we will call it #1, is by itself. It has ...
0
votes
1answer
332 views

How do I chain edison bulbs together with a junction box?-

I want to chain 6 Edison Lights They are a Standard Edison base, E26 medium, 120 volts. I am going to be hanging them on a 18 gauge wrapped copper wire. I am wondering how to wire them together and ...
2
votes
2answers
104 views

How do I fix this fluorescent light?

I have a fluorescent light in a 30-year old fitting. The light has recently stopped working, though it is trying to light at each end. Replacing the tube has had no effect. However there is a ...
1
vote
1answer
317 views

Do smoke detectors have to be hard wired in New Jersey?

I'm rebuilding after a fire, and I need to know if the new smoke/co detectors need to be hard wired.
-3
votes
1answer
80 views

Is there a huge difference between 1.6amp and 3amp power usage?

I just want to know if there a huge difference between 1.6 amp and 3 amp power usage.
4
votes
2answers
674 views

Are 2 prong outlets that are downstream of a GFCI outlet ground fault protected?

If I place a GFCI as the first outlet in a series of ungrounded 2-prong outlets, and connect the wires going to the other outlets to the load terminals of the GFCI, will it "protect" the entire series ...
2
votes
1answer
220 views

What should I do about an exposed wire for landscape lighting?

Found an exposed wire from an old landscape light in the yard that is tripping a breaker. Can I just cap it?
7
votes
1answer
2k views

How can I replace 2-prong receptacles in a code compliant way?

I have some 2-prong non-grounding type receptacles, and I'd like to replace them with 3-prong grounding type receptacles. According to National Electrical Code, what are my options?
2
votes
4answers
341 views

How is the alternating current in your home a complete circuit?

Here's what I'm asking: if the electricity flows from the hot wire to device X, then to the neutral wire which ultimately carries the signal to ground/earth at the panel then how does electricity "get ...
1
vote
2answers
203 views

What's the proper procedure for replacing ungrounded circuits?

I have a house that has several ungrounded circuits that uses the older 2 wire romex (pvc insulation, black woven jacket). I'd love to have AFCI protected circuits for the bedrooms, and grounded ...
4
votes
3answers
1k views

How do safety labels on light fittings work with energy saving bulbs?

My lamp says "Max 40W or Energy Saving 8W". I have a halogen bulb which says "28W = 36W". Is it safe to use with the lamp? Why / why not? (Sorry if the answer is easily available on the web - I ...
3
votes
1answer
527 views

Where do I attach the fixture grounding wire when no supply grounding wire is provided?

I am replacing an undercounter light and I have a black, white and red supply wire but no green or bare copper supply wire. Where do I attach the green ground wire attached to the fixture?
1
vote
1answer
610 views

How do I add grounding to my old electrical wiring?

This old house is (50's) is wired with cloth covered 12/2 Romex with no ground and all metal boxes. Can I just run a 12 ga or 14 ga solid wire between boxes and then to the ground bus of my service ...
6
votes
1answer
4k views

How many cables are you allowed to run through a single hole in a wooden floor joist?

How many cables are you allowed to run through a single hole in a wooden floor joist? For example, could I run five 12-2 cables through a 1-1/8" hole? I know they physically fit, but is there a code ...
0
votes
2answers
12k views

Why is there a copper wire attached to this water pipe?

The outdoor faucet was turned on today(45 degrees), shortly after we discovered a leak in the house. We're not sure if the faucet broke or the pipe fractured/burst. After pulling back the drywall we ...
0
votes
1answer
474 views

How do I wire a double stack switch?

I have double stack switch with intention of 2 independent light areas ( undermount cabinet lighting and overhead pot light. When I connect black hot wire to black screw ( both feeds simultaneously ...
1
vote
1answer
1k views

Why doesn't my replacement lighting work after my old fixture died?

I live in a pretty old condo in MA, and the living room track lighting stopped working. New bulbs didn't help, but the second set of lights on the same outlet worked fine. Replacing the bulbs and ...
0
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0answers
149 views

Why does a GFCI breaker and receptacle on the same circuit cause tripping tripping?

I work in the apt industry as maintenance, currently on a new property. I had a call this weekend about no power in kitchen outlets or dining room. I found a GFCI outlet in the run, tried resetting it ...
1
vote
1answer
392 views

Can I use a switch loop to power a ceiling fan?

Need your help, please. I have a single pole switch that controls the wall’s receptacles. It has one 14/2 cable, white/black/ground, where the white is hot. I would like to install a ceiling fan. I ...
0
votes
1answer
435 views

How Safe is this 5-way ceiling lighting DIY install

I've installed a 5-way ceiling light in a relatives house yesterday and whilst I've been more than careful in all it's prepartion and install, and being over caustious (without big paranoid!) I'm a ...
5
votes
3answers
214 views

Provisioning for a hypothetical electric car

I'm doing a remodel on my house which involves building a new garage. I have no plans to get a new car soon but presumably will in 1-5 years. How should I wire for an undetermined electric vehicle ...
1
vote
0answers
2k views

How do I wire a single pole and a 3-way switch in the same box?

I have a 4 gang switch box with one 3-way switch and three single pole switches. When the 3-way is flipped on, all the other switches can turn their lights on and off. But when the 3-way is flipped ...
1
vote
1answer
175 views

Can I install a new outlet here?

I saw a blank faceplate at our new place, decided to open it up, and found two black cables going straight through the box (see picture). This would be a great spot for a new outlet, so I wanted to ...
1
vote
1answer
113 views

How do i get 120v @60Hz 400VA?

So I'm in Australia and unfortunately we run on 240v @2A 50Hz. I've recently purchased a neon sign transformer but just realised that its got the below Doh! Wrong input. I'm wondering if there's ...
6
votes
3answers
6k views

Are extension cords safe for permanent use?

I recently learned (via a rant from an electrician's son and some internet research) that the standard buy-anywhere cheapo extension cords are a big cause of electrical fires and are not recommended ...
1
vote
1answer
193 views

my tv goes black for a second when my fridge goes off [duplicate]

I know this may sound strange but it does happen not every time the fridge turns off only some times the tv and fridge are on different circuits should I get a filter of some kind or trash the tv or ...
4
votes
1answer
163 views

Clamp meter with armored cable

I am considering a purchase of a clap meter but its initial purpose would be to test a circuit branch that is an ancient armored cable without ground, aluminum wire, cloth insulated (the house was ...
5
votes
2answers
7k views

Can I wire a refrigerator and dishwasher on the same circuit?

Can I wire a refrigerator and dishwasher on the same 20 amp circuit?
0
votes
0answers
57 views

Overhead lights in apartmenet units flicker and eventually goes off…what is the cause and fix?

I live in an apartment building with 4 units. All units are experiencing this weird problem. Two nights ago the overhead lights started to flicker and then eventually went off. The outlets in all ...
3
votes
3answers
2k views

How do I ground my replacement outside porch light?

I am attempting to replace an outside porch light. After removing the old light, I found the metal electrial box had the ground supply attached to a screw. The new light has a green ground wire and I ...
2
votes
1answer
1k views

How do I replace this switch with a dimmer?

I'm trying to install a dimmer switch (single pole) in a 4 gang box. In the current set up, I have two black wires attached to the SAME screw (one of those wires is from the back of the box, while ...
1
vote
2answers
359 views

Why am I reading low AC voltage on my garage opener light?

The light on my BuildMark opener won't come on. The door works well, and both the light button and the safety sensors trip the relay for the light. A check with the AC voltmeter shows 15 VAC when the ...
3
votes
2answers
4k views

Can I terminate a ground wire to the neutral bus if the ground bus is full?

I have a Crouse-Hinds main load center. The ground bus is at the top left of panel and the neutral bus is at the bottom right of the panel. I want to add a 15 amp circuit for two outlets in my ...
0
votes
0answers
217 views

Combining multiple electrical runs into a single wire

I have a warehouse-type space with 14' ceilings, and am updating the electrical for my workshop. Right now, I've got four workbenches that I move and reconfigure depending on what I'm working on for a ...
1
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2answers
2k views

Can I mix 12 gauge and 14 gauge wire in the same 15 amp circuit?

I have 12/3 wire from a switch to 3 light fixtures; can I feed the switch with 14/2 wire from a 15 amp breaker?