Questions tagged [electrical]

Distribution and use of electricity throughout the home. Electrical standards vary greatly worldwide, so you need to provide your location in your question or profile to 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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Want to replace old-3way with occupancy sensor but stumped because switch is so old

I have this old 3-way switch and want to replace it with an occupancy sensor but all three screws seem to be hot and they are all dark color, not sure how to identify the true 'hot' wire. Pics: https:/...
undecided65's user avatar
1 vote
1 answer
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Feeding Electric to outbuilding

I recently built a 30x50 shop with a small living area built out inside of it. Now I need to feed power to it. I have a main 200amp feed through panel just below the meter. It's a Siemens ...
Matt's user avatar
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1 vote
1 answer
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Three unit apartment looking to have washer/dryer switch with "device" to tenants electric [closed]

Looking to see if there's a way or device that would allow a tenant to switch the washer/dryer that's in a common area to their electric breaker. This is for a three-unit that we are rebuilding and ...
TechLoom's user avatar
0 votes
1 answer
48 views

Can I use a 200A main circuit breaker panel as a 100A subpanel?

Short version: Can I use a 200A MCB panel as a 100A subpanel? Can I leave the 200A large-format breaker in the subpanel, or would I have to remove the 200A breaker and convert it to a MLO (obviously, ...
the_meter413's user avatar
1 vote
2 answers
169 views

GFCI outlet is hot

I'm remodeling and when I touched the outlet I got zapped. Looks like the whole outlet its self is hot. Black and white line coming in from the conduit that connects to the outlet then the out has an ...
user164991's user avatar
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0 answers
38 views

What size breaker do I need for my garage?

I want two two post lifts, one 80 gallon compressor, 15,000 watt heater and outlets for normal use and lights. What size breaker box do I need and what gauge wire do I need if is 80 to 100 feet away ...
Supu's user avatar
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1 answer
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Troubleshoot Electrical Problem

I am trying to track down an electrical problem in my house. The house is track home (not custom) in California that's about 7 years old. Last year, I got solar power and bought a couple of electric ...
Hannover Fist's user avatar
2 votes
3 answers
254 views

What is this exterior electrical box and how do I cover it properly?

I'm the new owner of a 1956 Southern California home and discovered this curious plate on the stucco exterior: It's above, and to the left of the front door. There is a working sconce mounted above ...
swrobel's user avatar
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Identifying a bimetal thermostat from an electrical wall heater

Attached are pictures of a bimetal(?) thermostat from an electric heater. The knob broke off, so I need to replace it. Does anyone know the name? Or have a link? https://imgur.com/a/qhaC7Mo
lika978's user avatar
4 votes
4 answers
716 views

How should I connect my ceiling fan/light in this box?

There was a ceiling fan which I removed. I usually would take a picture of the wiring before removal but the design of the fan made that difficult and only after I got the fan down did I see this mess....
snakehead's user avatar
2 votes
1 answer
133 views

GFCI in aluminum sunroom keeps tripping

I recently installed a GFCI outlet in an aluminum sunroom in the interior wall of the sunroom. It worked fine in the summer but now in the winter months when it gets real cold at night the GFCI trips. ...
Zach Smith's user avatar
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1 answer
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Spacing underneath induction cooktop [closed]

I want to install an induction cooktop (GE model PHP9036DTBB) into my granite countertop, but looking through the installation manual, I have a few questions. In picture 1 below, why does the ...
Andrew's user avatar
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0 answers
77 views

Utility meter is on but no power to main breaker on panel [closed]

So… The utility meter is showing that’s it’s on but there’s no power on the line side of the main breaker which is the load side on meter socket. The whole house went dark but nothing was tripped I ...
Jose  Machuca's user avatar
1 vote
1 answer
101 views

How does arcing in an electrical panel cause fires? [closed]

I had a sub-panel with a loose neutral wire that caused substantial arcing between the wire and bus bar. Arcing generates a staggering amount of heat (thousands of degrees in either F or C) and in ...
Kurt Granroth's user avatar
3 votes
1 answer
1k views

Is it dangerous to install a covered exterior outlet without a junction box?

I installed a GFCI outlet in an outdoor stucco wall without a box. The outlet is protected by a weather box
user106218's user avatar
0 votes
3 answers
84 views

Connecting a smart switch ground wire to a metal junction box

I try to connect a smart switch with an integral ground wire. There is no ground wire connected to my old switch. Can I connect the integral ground wire to the small hole circled in red in my photo. ...
Raffi's user avatar
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4 answers
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How can I add a pilot light to the current light switch?

This DIY project requires closet lights off when not in use. How can I add a small LED indicator to show light are on or off?
Ken's user avatar
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5 votes
1 answer
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How can I move an outlet from the back of an enclosed space to the front wall?

I have a built-in cabinet that has an outlet at the back to power a TV. I am looking at framing over that built-in opening to create a flat wall to mount a larger flat panel TV. I want to move the ...
chrisracer's user avatar
1 vote
1 answer
97 views

Running exposed wiring from outdoor light fixture to other lights/camera? Exposed nuts? safe/code?

After a neighborhood break in, a neighbor had someone come and do wiring so they could have camera, etc. I thought it was odd and might be unsafe, as well as non-code to have wires coming out of a ...
HelpEric's user avatar
  • 489
2 votes
1 answer
40 views

How should I connect my new smart switch to three cables?

I have a smart light switch with a connecting wire for ground, neutral, light and switch (a green, white, and 2 black wires). It was previously connected to a smart switch and I'm just changing to a ...
Brock Larson's user avatar
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2 answers
78 views

How do we deal with wire burning smell [closed]

While I watch TV in my living room , I do get some kind of wire burning smell , then it suddenly stops. Initially I thought the smell is coming from Electrical Meter and fuse in Main distribution ...
Shravan's user avatar
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3 votes
1 answer
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Are exposed cables along the ceiling in a finished garage code-compliant?

Bought a house a year ago, previous owner had an electrician re-wire a lot of the house when they did a bunch of remodeling about 4 years ago. They ran all the cables on the wood center beam in the ...
Ryan's user avatar
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0 votes
2 answers
87 views

Is it safe to only splice the hot wires to new switches?

I have an old house and in my basement I have a 4 gang switch box for some ceiling lights. I want to move 2 of those switches to another wall (technically to another room, as I have built a wall ...
rugbert's user avatar
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1 answer
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Water overflow control system

I want to connect simple floating overflow control switch with a heavy duty relay duty to heavy motor, direct simple footing burn out on heavy load, with type of relay will be suitable?
Nayyar Satti's user avatar
0 votes
1 answer
82 views

Two 20amp breakers tied together

I have two 20 amp breakers tied together. One is on the dedicated refrigerator plug the other is for a dedicated GFI circuit. Why? can I remove the tie? I have installed a transfer switch and I don't ...
Brent's user avatar
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4 votes
2 answers
742 views

New Sub Panel to new shop – Please check my math/plan

Wanted to run my plan by the experts to make sure I’m not screwing up. I have an approximate 180’ run from my 200 Amp Eaton Main Panel, to a proposed 125 Amp sub-Panel in my new shop. The Run Wire ...
Phil Acker's user avatar
0 votes
0 answers
21 views

What size wire do I need to run electric to garage [closed]

I am trying to find out what type and size of wire I need to run 200 amp electrical service underground from existing electric service location to my garage that is 220 feet away, the electric will be ...
Trenton's user avatar
0 votes
2 answers
58 views

Can I add a 60 AMP EV circuit to an existing 200 AMP service?

I've noticed similar questions on here but can't help asking my question anyway (thanks for your patience). I've got a 200-AMP Service from the power company. Breakdown of breakers looks like this: [...
Mike B's user avatar
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0 answers
36 views

How to install Ecobee thermostat to central heat pump (two wires) [duplicate]

I am trying to install an Ecobee Enhanced thermostat to my central heat pump which I am told has 1 stage of heating, cooling, and aux heat and has an inverter which ramps up and down. However, the ...
Zach's user avatar
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-1 votes
0 answers
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the power to my My american fridge compressor switches off after 2 minutes

The power my 20 year old Daewoo Frs2021ial American style fridge compressor switches off after 2 minutes of powering it up, when applying a volt meter to the relay terminals there is no longer power, ...
john's user avatar
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0 votes
1 answer
99 views

Did they switch the neutral wire on accident? (1970)

Replacing a ceiling fan in 1970 house on a slab - most power is run to the J box in the attic. But from my limited knowledge it looks like they switched the common and not the hot? Q: Why would they ...
BbobTucker's user avatar
4 votes
2 answers
629 views

Is it a problem that my sink disposal has exposed wire nut connections in the cabinet?

Sink disposal was hard wired into the wall before I moved in. Is this correct and/or is this an issue?
Nathan's user avatar
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0 votes
1 answer
84 views

Why Surge Protection Device (SDP) fails and how to deal with that [closed]

The power surge from the electrical line has taken out electrical appliances from many houses not sure if it's a power sub station fault or primary lightning strike on power pole. But some of the ...
CuriousMan's user avatar
0 votes
1 answer
122 views

Why are red & black stranded wires connected to neutral?

I found an inaccessible box in the attic, so I opened it to disconnect the wires so I could move the box to an accessible location. Here's what I found in the box: • Two normal sets of NM wire, black ...
Michael Bluejay's user avatar
0 votes
1 answer
47 views

How to wire outdoor post lamp if power comes via two black wires?

Strong winds damaged one of my post lamps so I am replacing it. It comes with three wires: black, white, and bare. The top of my column however only has two black wires coming out of it. How should I ...
Jeffery Chow's user avatar
-1 votes
0 answers
71 views

Why does power to my home intermittently fail? [closed]

My electricity goes out several times a day but only in part of my home. It's the same rooms every time. It happens more at night, and in the morning when very little electricity is being used. No ...
Tina Jeniece Fletcher's user avatar
0 votes
1 answer
105 views

Replacing a 4-gang standard switches with smart Kasa switches

I am trying to replace a 4-gang standard switches with Kasa smart switches. How do I connect all the neutral white wires from the switches to the white neutral bundles in the box? There are too many ...
Raffi's user avatar
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6 votes
2 answers
3k views

Is my contractor right that our nonreturnable hardwired heated towel rack can't be installed in our bathroom?

We're working with a design-build firm, doing a gut reno on our primary bath. We purchased a Watermark TWRD3-24 electric towel rack (it's a set of 3 individual heated bars, specs and instructions here)...
bwk's user avatar
  • 161
0 votes
2 answers
89 views

I want to run power outlets and lights down my driveway, and ideally I could do it using the same cable, is that safe?

Goal Use one electrical cable to power lights and outlets through a conduit down a driveway where a light switch could turn power on/off to the lights, without turning power on/off to the outlets. ...
Tim Dee's user avatar
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0 votes
0 answers
48 views

Thermostat Wiring for Zoned Hydronic Heating

I have a 7 zone circulator pump heated using Navien combi-boiler. 3 thermostats are connected to the boiler, and the remaining 4 are connected to a Taco SR-504 relay. All the connections have 2 wires, ...
Steve's user avatar
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2 votes
1 answer
113 views

How to transition between running along joists to running perpendicular

Referring to picture provided, what is the best way to transition my SER cable from running with the ceiling joists to running perpendicular? I can't drill through every joist due to all the existing ...
user149104's user avatar
0 votes
1 answer
46 views

3-way light switch,faulty sensor switch or incorrect wiring?

I am looking to replace one my 3-way toggle switch to a 3-way sensor switch (Leviton DOS05). After wiring per instruction provided, the second switch (non-sensor) does not work unless the sensor ...
Steve's user avatar
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0 votes
0 answers
35 views

Electrical problems in 1950s home [closed]

I had some work done in my 1950s home and now am having a problem that’s been worrying me. When I plug something into my one outlet my outside light will come on dimly even if the light switch is off ...
Chris's user avatar
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0 votes
1 answer
23 views

Correct coloured wires for a switch live extractor fan

I’m replacing an extractor fan in my bathroom, like for like Both old and new extractor fan are timer fans. I was expecting the terminals on the old fan to be labelled, but sadly they weren’t. I think ...
User1's user avatar
  • 375
0 votes
1 answer
58 views

Need help ID’ing cloth wires

I am replacing an old chandelier with an LED light fixture and found that it was connected to old cloth wires. See link below to a photo I took. I can’t identify which one is the hot and which one is ...
Devon's user avatar
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1 vote
0 answers
65 views

Why everytime my best friend comes to my room, my lamp died for a day? [closed]

Well after noticing it for the second time it becomes weird. Whenever My bestfriend comes one of my lamp won't work for a complete day or even two days, at first I thought it's normal. The second time ...
Sara1311Rz's user avatar
1 vote
1 answer
64 views

Is my new electric/subpanel plan correct?

I currently have 100A service and I want to upgrade to 200A. At the same time, most of the wiring in my house is old and I don't trust it. Finally, the current main panel is in a bad place in the ...
user112697's user avatar
0 votes
1 answer
70 views

Garage heater wiring

I am getting a garage heater(240v 30a) it is suggested that it is hardwired to the panel. I was wondering if I am able to use the dryer outlet that is in my garage it is rated the same(240v 30)(...
Daniel Bridges's user avatar
2 votes
1 answer
122 views

Can I use a 6AWG ground wire for a 100A feeder that has a section SER 1-1-1-3 and a section THHN?

I'm running a feeder to a 100A sub-panel. The total run is about 90 feet. 60 feet is in an attic, and I'm planning to use Aluminum SER 1-1-1-3, the other 30 feet is through a 1.5" PVC conduit on ...
Christian K's user avatar
1 vote
1 answer
70 views

How to wire Subpanel to main disconnect?

I need a 30a 120 circuit for new tools in my garage, or to reconfigure the tool motor for 220 and install that circuit. The feed from the meter comes directly into a 100a disconnect then via conduit ...
RickD's user avatar
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