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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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
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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
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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 ...
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2answers
512 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 ...
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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 ...
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1answer
418 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 ...
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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?
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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 ...
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1answer
528 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 ...
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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
4k 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 ...
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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? ...
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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 ...
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1answer
22k 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 ...
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0answers
126 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 ...
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1answer
394 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 ...
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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 ...
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1answer
9k 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 ...
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5answers
60k 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
504 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
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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
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2answers
741 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
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4answers
19k 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 ...
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3answers
3k 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
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3answers
873 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 ...
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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 ...
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1answer
602 views

How can I route the cables for my TV in a basement with a “half wall”?

I would like to hang my new television on the wall in the basement, and run the cables through the wall to the entertainment center. My issue, is that the wall is a "half wall" because I have a split ...
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5answers
14k views

Can I install a Subpanel (in a seperate building) using a 3 wire connection (2 hots and 1 grounded neutral)?

Can I use a 3 wire connection (2 hots and 1 grounded neutral) to install a subpanel in a seperate structure if I install a seperate ground rod to the grounding bus in subpanel? I have 8/3 w/o ground ...
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3answers
47k views

What size breaker and wire do I need for central air conditioning?

I am getting ready to hang drywall in my basement but before I do that, I need to run wire from the main panel upstairs to the future location of the central AC furnace through the basement ceiling ...
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1answer
792 views

How do I hook up a new “pull-type” light switch in my basement utility room?

The old pull-switch was installed when we bought the house, and it was of a different type than the new one I bought. I went to replace it, and found out I couldn't just swap the wires, since the old ...
2
votes
1answer
637 views

What can I use to lubricate electrical contacts?

I've been replacing lots of 2 pin MR-16 halogen bulbs and have been having a very difficult time inserting them into the sockets. I've also lost few pins removing the old bulbs. Is there anything I ...
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1answer
3k views

Why does one light blink after installing new three way switches in my hall?

I installed the new switches with the wires in the same location the new switch this is a lighted one. the hall way light blinks on one of the bulbs in the off position. Do i have a bad switch or ...
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0answers
620 views

what would cause the ceiling fan light to blink or shut off in a fan that's over 30 years old without any problems til now

The ceiling fan is over 30 years old worked flawlessly until now, light either blinks or shuts off altogether. But, when you turn the wall switch off then back on it lights up no problem for days, ...
2
votes
1answer
222 views

Why does one light on a new chandelier light up after the others?

One lamp socket in a newly installed chandelier lights up the bulb a split second after the others. I changed bulbs to make sure that wasn't the problem. Why is this happening and should the ...
12
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7answers
86k views

Why Do 240V Circuits Not Require Neutral?

Someone told me that a 240V circuit does not require a neutral wire in the cable. Can anyone explain this phenomenon from the electricity perspective and generally explain why circuits do and do not ...
2
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2answers
5k views

How do I design the circuit for baseboard heaters?

I am designing the circuit(s) for my basement apartment (cca. 800 sq ft) baseboard heating solution. I am planning to buy Berko HBB Series heaters and distribute them as shown in the below table. ...
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0answers
168 views

How do I wire a two-way switch?

I have a one gang two way switch on top landing, there are four red wires one yellow one blue how do I wire the switch?
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1answer
1k views

Can I install two GFCI receptacles on a multiwire branch circuit?

I am wondering if I'm using a 10/3 teck cable to power two 20 amp GFCI receptacles for a temporary power situation, can I use two separate single pole 20 amp breakers at the panel for each receptacle. ...
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1answer
424 views

Ground wire behaves weird

I never experienced this and it doesn't really make sense. I installed recessed lights(6) with the switch. I connected them all in parallel. The house uses only two wires for lights, white and black. ...
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2answers
1k views

Why am I measuring decreased voltage between my dryer's neutral and hot conductors?

At the outlet: 40V - red to neutral (white) 40V - black to neutral (white) 230V - red to black 110V - red to ground 110V - black to ground At the circuit breaker: 230V - red to ...
3
votes
1answer
2k views

New light switch has blue, black, and white wires. Wall has black, white, and ground. Can I make it work?

I bought a new light switch that is supposed to allow me to automate my lights easier. Here is what it looks like: It has blue, black, and white wires. Coming out of my wall, however, I only have a ...
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votes
1answer
685 views

How do I add two more lights to one cirucuit. The power is supplied to the first light?

I have and old house and the light is supplied with power which then is connected to one switch. I want to add two more lights and have them run off the same switch. I connected as though the power ...
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3answers
3k views

Why would you use copper electrical conduit?

This is not "home" improvement per se, but it fits the spirit of this stack exchange. While waiting for my train I was peeking into a ceiling that had all of its slats removed for some kind of ...
3
votes
3answers
9k views

Can I connect to any neutral wire in the house?

I have a Belkin Wemo switch that requires a neutral wire for installation. There is no neutral in the switch box. However, there is a neutral in the electrical outlet box below it, and a path from the ...
6
votes
2answers
513 views

Bonding Ground Rod for Rooftop Antenna

I am installing a rooftop antenna on the end of my house, opposite the end where the ground rod is located. I plan to install a new 8' ground rod on the ground directly under the antenna. I need to ...
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0answers
75 views

How can I figure out why my Roomba stopped vacuuming? [closed]

I have a Roomba 500 series, which would do its little dance going through every room in my house. When it's done, however, the dustbin is always left empty! (and the floor is still dirty) I noted ...
7
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2answers
2k views

Why is my light switch leaking electricity?

I have a home built in 1950 and a laundry room added sometime in the unknown future. There is a light switch that seems to be emitting electricity according to my Fluke voltage tester. I noticed it ...
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0answers
85 views

switch wiring for garbage disposal above sink [closed]

There's no power to the plug on the switch. Their is two white wires to the bottom & green above& black across the switch which works but no wire on that side on the bottom
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4answers
7k views

Should I use a GFCI or AFCI circuit breaker with knob and tube wiring?

My American house was built in 1942, and much of the wiring is still knob-and-tube wiring (2-wire, no ground). Over the years new modern wiring has been added to the house, but we still have some KnT ...
3
votes
1answer
890 views

How to use LED lighting strip on ceiling?

In our living room, we have a single ceiling rose in the centre of the ceiling with a boring light fitting on it. I'd love to replace this with 4 led strips (about 2m each) running from the centre to ...