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Questions tagged [electrical]

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 it is also highly recommended.

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1answer
53 views

New Light Wiring SNAFU

The wiring box in the ceiling has black, white and red wire in it. Also a ground screw. The new light has black and white wires, plus a ground wire. Light also has dimmer feature. I hooked all up, ...
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1answer
65 views

Can I move a GFCI outlet from the end of a circuit to the middle to protect another oulet?

I have a single, feed cable that comes up behind my counter into a single gang box. This box has an unprotected outlet. This cable is then teed off to the left and right. The left cable feeds a GFCI ...
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1answer
55 views

How to install new chandelier when impossible to fish wires?

. Want to run a brown external wire to point where I can hang chandelier. I can’t cut thru beams. Any suggestions for where to find wiring, etc.
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1answer
105 views

Trying to install smart switches - came across something that looks wrong

I am putting in some wemo dimmers to replace my existing dimmers in a three gang box, and came across this wiring: I marked areas of concern with red circles. It seems that the two dimmers are ...
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2answers
53 views

replacing 62 year old 3 way switches

I have replaced both my 3 way switches but only one works correctly. I was told by the local hardware store that you wire each switch the same. red and black on top on the brass screws. and the white ...
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2answers
85 views

Running 100 amp wire for future use - how many wires do i run?

i am finishing up my basement and about to close up the walls.Before i close the walls, i want to run 100 amp wire from the circuit panel, located on one side of the house, to the other side of the ...
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2answers
39 views

Fan and Light Switch Reversed

I have a switch in my master bedroom that my family replaced. The controls are switched. The fan turns on when you put the light switch on and the light turns on only when the fan switch is all the ...
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1answer
50 views

How to fix a fuse box socket

I have an old fuse box from the 50s or earlier that accepts type TL fuses. I recently discovered two of the insulating washers inside of the sockets were missing. I took out a washer from a good ...
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0answers
34 views

How can I tell if my junction box will support a ceiling fan? [duplicate]

I want to install a drum type ceiling fan to the dining room ceiling of a new condominium I just bought. The drum type fan with a light weighs 24 lbs, as per the Home Depot website. How can I tell if ...
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9answers
8k views

Can I cause damage to electrical appliances by unplugging them when they are turned on?

I don't mean damage caused to the socket and prongs, but only to the appliance itself.
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0answers
42 views

What's causing constant static shock in new house?

I live in South Florida (where it's humid) and my new construction house is constantly zapping us when we touch metal like the front door handle. The entire house is tile, and the air isn't very dry ...
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1answer
57 views

Can an arcing switch damage the breaker or cause a fire?

I live in a 1980s mobile home with light switches and breakers as in the picture. If the switch is arcing or if the switch is held between on/off for a few seconds can this damage the breaker? The ...
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2answers
34 views

GFI Outlet wiring a new outlet [closed]

Your diagram is excellent, I had 1 question, attaching new wires to existing GFI, attach to screw on side of outlet, or tie into nut back in box that has 3 wires tied into already ? Thanks Bob
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0answers
49 views

Can I split a large amp 240 circuit into two lower amp 240 circuits?

I just bought a house. It has a double oven unit installed on a 50 amp 240V circuit. I need to replace this unit with two separate units, one 30 amp, 240V and the other 20 amp, 240V. Can I split ...
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2answers
33 views

How to put main breaker in Square D Hom612L100 breaker panel?

This panel (Square D Hom612L100) has 4 slots. Is it possible to make one of them serve as the main breaker?
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1answer
48 views

Switches in other bedrooms turning on different lights after I put new light up

I recently put up a light in my bedroom but the switches in other rooms now turn on different lights, there are 9 wires altogether coming through the ceiling, 3 earth which are connected together, 3 ...
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1answer
110 views

Why is my smart switch tripping the breaker?

I'm trying to install some smart light switches into my house. I've had a little trouble doing it. The first one was in the kitchen. Every time I tried, it tripped the breaker in the main panel. I ...
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1answer
42 views

LED lights with a dim light in open circuit

I was installing new LED lamps on my kitchen, which seemed to be functioning well. After turning off the lights, the newly installed lamps still had a dim light, that kept itself for quite long. I've ...
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2answers
43 views

Tie lighting on Knob and Tube to a low voltage (12v) system?

I have an old stone 18th C. Pennsylvania farm house. In several rooms, wall sconces were installed when the house was first electrified - with knob & tube wiring. The knob and tube wired to old ...
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2answers
77 views

Is there a standard symbol for an inlet on building electrical plans?

Generally, most regions have a semi-standard or standard set of symbols that is used to denote electrical wiring devices, such as switches and receptacles, on building electrical plans/blueprints. A ...
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3answers
86 views

What kind of four wire connector is this?

Would someone be able to identify this four wire connector (red/black/green/white)? It's behind a blank panel on a wall adjacent to a light switch. I believe there's a second one in the wall cavity. ...
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0answers
34 views

Help with ceiling fan wiring. Red black and white wires

Over the weekend I started a project to install a ceiling fan and hook it up to 2 switches, 1 to control the light and 1 to control the fan. There was originally one switch controlling a light fixture....
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2answers
99 views

Wiring high amps

I will be installing a Tesla wall charger in the garage and have a few questions about the codes and such. It will have a 100 amp breaker and it will be pulling 80 amps for 2-6 hours at a time so with ...
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3answers
2k views

Two black wires into same terminal on light switch

I've replaced a number of switches in my house following the Lutron instructions, but the wiring below is not covered. My question is: on my new Lutron switch (one is already visible in the picture), ...
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1answer
32 views

Changing two switch to one switch

In our guest bath the horizontal light bar has a switch on two different walls. Since we bought the house, one switch has never worked properly, and the hubby thought slapping duct tape over the ...
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2answers
77 views

Can a buried electric line cross a buried sewer line?

What are the code requirements for crossing a buried electric line (from meter to panel) with a sewage line?
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2answers
77 views

Why is my electric wall oven suddenly causing strong hot chemical odor?

Friday solar panel company was in attic crawl space doing wiring for panels. Solar not yet energized. Sunday used electric wall oven, had very strong hot wire/chemical odor, never had this before. ...
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2answers
84 views

Black wire crossed with white in box

I was helping my dad install Alumiconn pigtails in his home when I spotted something weird in a 1-gang outlet box: a black wire shorted with a white wire. Alarm bells went off in my head, so I spent ...
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2answers
78 views

Can I wire a doorbell transformer in-wall this way?

My current under-powered doorbell transformer is in a very awkward location (old home, etc.) and in a location where several old wires are cable-nutted together and I would rather not replace it there....
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1answer
44 views

Ceiling fan gets voltage but lights do not turn on

I just connected a new ceiling fan with lights and the lights and fan won't turn on. I tried to hunt down the problem and used a non contact voltage detector and the voltage does flow to the wires on ...
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0answers
46 views

Do I need conduit for the exposed portion of a sub-panel feeder?

I am trying to install a 60 amp sub panel in my house to power my wife's saltwater tanks. I know I need 6/3 to go from main panel to sub panel. My question is I have to run it along the wall to get to ...
3
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1answer
64 views

How can I fix this handheld vacuum cleaner?

This is a handheld vacuum cleaner with a simple circuit inside. I’ve charged it fully for a good while and also tried decharge-recharging it but no joy. All it can manage to do is ticking the engine ...
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3answers
247 views

How can I wire 7 outdoor posts correctly?

I've seen a few posts on how to wire a single post/column for lighting outdoor but I can't find anything that relates to multiple posts/columns. I have 7 posts/columns outdoor and I'd like to add ...
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1answer
65 views

“dead end” electrical box

I have a small closet under my stairs that doesn't have a light switch. I've been wanting to tie into a circuit from somewhere to wire up a light. While crawling around under there I found a (junction?...
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2answers
36 views

Using 12-3 with ground to wire a new light

What I would like to do is use 12-3 with ground to wire new lights in my house. I have ran 12-2 with ground to the electrical box to a 20 amp breaker. In the attic I have a junction box where I begin ...
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2answers
67 views

Clarifying separation of ethernet cables from cables running power (underground)

I have seen a few questions regarding how close ethernet cables can be to power cables without a significant impact on the data. For example: Can I run CAT5/6 cables parallel to electrical cables? ...
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2answers
3k views

Why is a white electrical wire connected to 2 black wires?

I just opened my ceiling light to replace it with another mount. I see a white wire connected to 2 black wires, is that right? The middle switch controls this ceiling light.
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1answer
42 views

What to do about breaker that triggers main panel, and breaker that's stuck?

I've moved into an older home and am trying to figure out the wiring. There's a small addition at the back of the house where I'm trying to figure out the wiring behind a blank wall panel. Before ...
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1answer
58 views

How to split a circuit

I have a one floor house with semi finished basement. On the main floor the Living room, Bath, 2 Bedrooms, garage and Microwave outlets are on 1 circuit. If I go to skinny breakers I have room to run ...
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0answers
17 views

Will the existing wiring work with the new thermostat?

I am looking to upgrade my line voltage thermostat from a Dimplex mechanical thermostat to a Honeywell digital thermostat. Both thermostat has 2 wires on its back. Would the new thermostat work if I ...
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0answers
38 views

Tiny 240v RC Snubber, LC Filter for GFCI outlets

What's the tiniest 240v RC Snubber or LC Filter have you used or seen that one can plug into a receptacle outlet like a plug (where the appliance can plug into the LC filter plug unit)? My siblings ...
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1answer
49 views

Help running romex and conduit for new outlet through cold air return

I have two circuits right now that both terminate in the outlet box for the range hood/microwave. The one that goes into the box from above up in the second floor joists is a currently unused circuit (...
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2answers
44 views

Ceiling light goes off itself

My ceiling light goes off itself after 10 mins or sometimes even after an hour, no loose connection from the ceiling fixture and the switch, nothing seems loose even breaker too. How can i find the ...
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1answer
50 views

Swapped out light switch and now WIRES have no power?

We’ve been swapping out all our outlets and switches in our house....with minimal problems until today. In our living room we have a dimmer switch on one wall that controls our overhead light. On ...
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0answers
20 views

GFCI + Switch + 4 sets of wires

I have an outlet and switch in same box. The box has 4 sets of wires- power source, light, and two others. The switch controls a light. When I replaced the outlet with a GFCI, everything worked expect ...
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2answers
32 views

Single pole switch to combination switch

My light switch only has two wires, and I wanted to install a combination switch is it possible? Im in new york and I dont know if this is even up to code with the city.
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2answers
75 views

Grounding subpanel

I have a simple question, that I believe I already know the answer to, but just need confirmation before moving on. I had an electrician install a 100 amp subpanel installed on a newly built ...
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2answers
58 views

3 Way Light Switch on Stairs

I currently have a 3 way light switch in my stairwell. One at the bottom and one at the top of the stairs. I recently added a light fixture to the bottom of the stairs but need some help wiring it ...
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2answers
66 views

LED lights not turning completely off

I own a recently built smart home. Last weekend I added LED under cabinet hard-wired lights using wires installed during the build. I changed out the regular switch with a Lutron dimming switch. The ...
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1answer
48 views

How do I add a second wired garage door opener?

I'd like to add a hardwired garage door opener inside the house. Can I simply splice the two wires from the main button to a second button (momentary switch), or do I need to run them all the way ...