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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-3
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1answer
110 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
1k 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
377 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?
8
votes
1answer
6k 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
664 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
290 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
3k 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
865 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
818 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 ...
7
votes
1answer
12k 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
25k 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
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1answer
764 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
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1answer
2k 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
votes
0answers
260 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
692 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
653 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
272 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
199 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
131 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 ...
8
votes
3answers
14k 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
278 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
226 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
14k 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
69 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
4k 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
2k 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
508 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 ...
4
votes
2answers
7k 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
1answer
408 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
vote
2answers
5k 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?
0
votes
2answers
8k views

Can I use a receptacle and switch for a dishwasher and garbage disposal?

I would like to install a receptacle under the sink to control the dishwasher and garbage disposal, with a single pole single throw switch mounted in the wall above the counter top to control the ...
1
vote
1answer
510 views

what are the little dots on wiring diagrams?

There are little dots along the lines in many wiring diagrams, like in response to the question "How do I know if a ceiling fan with light and the switch are wired correctly?". Some of these seem to ...
2
votes
3answers
7k views

How do I seal around an outdoor rated wall mounted luminary?

What's the proper way to seal a exterior wall mounted luminary from water entry? I was unable to find one for purchase with any sort of gasket, and it appears that any water sheeting down the wall ...
2
votes
3answers
3k views

How can I run wiring around an inside corner?

I am working in a garage and need to run electrical wire through a corner. I cannot go over the corner through the ceiling (a long story), and going through the studs at a right angle will be a ...
12
votes
1answer
6k views

How do I know if my wiring is aluminium or copper?

In this answer, Chris has mentioned that, before replacing a worn-out electric outlet, it is important to know whether the building has an aluminium or copper wiring. How can I get this information? ...
0
votes
1answer
2k views

Is this electric water heater wiring correct?

I recently re-wired my water heater from 120v to 240v. I'm not sure why it was wired with 120v to begin with, but it was not providing enough volume of hot water. I looked up basic thermostat wiring ...
1
vote
1answer
21k views

3-Way Light Switch, two blacks and a red?

Usual story of remodeling etc. Replaced all the other 4 ways and 3 ways near it just fine, then I run into this guy. It's a 3-way, and I could have sworn I put all the wires exactly where they were on ...
0
votes
0answers
125 views

power on kitchen light went out

Kitchen (ceiling) light went out along with 3 other light switches plus 1 outlet. kitchen lights have 4 panel (flourescent tubes 2 each so total of 8). I tried to replace the switch in the kitchen and ...
3
votes
1answer
384 views

How can I provide GFCI protection to my kitchen receptacles?

I Live in Round Lake, Il., in a 1940's built home. In my kitchen I have four counter top receptacles surrounding my sink area. Two of the receptacles are close to the sink, and I want to replace them ...
2
votes
0answers
89 views

Electricians came in last week to drill and install pot lights.. are they in charge of plastering and making sure all is OK for painting? [closed]

So Electricans came in to install some pot lights. 8 per room. Some of the pot lights have cracks around the drywall where the hole was drilled. Some cracks they created while drilling the holes were ...
0
votes
1answer
8k views

After binding the three live (brown) wires together, remaining ceiling lights won't turn off

I've got the three separate ceiling lights all on the same switch. The other two are simple with a single grey cable fitting. But this one is obviously the key light because it has three main grey ...
2
votes
5answers
57k views

How do I re-wire a ceiling-fan to reverse its direction?

One of the ceiling fans at home was spinning in the opposite direction (clock-wise) and so was sucking up the air rather than blowing it. I live in a hot climate so we always have the fans spinning in ...
2
votes
1answer
488 views

What size GFCI and receptacles on 20A circuit?

I am adding a string (5-6) of receptacles to an existing 20A circuit in my basement that currently has just one 15A duplex receptacle on it (with 12/2 Romex). I am planning to replace the existing ...
2
votes
1answer
3k views

How do I wire my new ceiling light?

Old flat in Melbourne, Australia. When i took out old fitting it had a red wire in joined to red out, a brown and a black one. One terminal had nothing. Have bought new fitting but it seems to be ...
3
votes
2answers
727 views

Why didn't homeowners get electrocuted when appliances were grounded through the neutral?

I read that appliance at certain times in the U.S. (for example stoves) were grounded through the neutral wire. Since the neutral wire carries current does this means the case of the stove itself is ...
4
votes
4answers
18k views

Can I upgrade from a 240V 30A circuit to a 240V 50A circuit?

I have a new range with a NEMA 14-50P plug. I find my 240V receptacle is for a dryer, with the top blade a 90° one. So I need to change the receptacle out. However, I think my range needs 50 Amps, and ...
1
vote
3answers
2k views

How can I trace an electrical cable?

I'm installing a wall mount over an existing electrical socket - so I want to remove the socket I've read that just capping off the Hot and Neutral wires is not the best approach and that ...
2
votes
3answers
842 views

Soft crumbling walls, electrical mounting box

I wonder if anyone can help. I'm having my kitchen refurbished including the electrics but when my partner tried to insert and secure the mounting boxes into the wall the plaster around it has ...
1
vote
1answer
52 views

Will different sized bullet crimps fit together?

Will a male crimp bullet fit into a female crimp bullet if the male bullet is 14/16 AWG and the female bullet is 10/12 AWG. In other words, is the bullet portion of the bullet crimps the same ...