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
40 views

Double light switch issue

We have just wired a new 2 way, 2 gang, switch plate, which works, but for one side the 'on' position is up, and for the other it's down, which looks odd and is impractical. Is this a problem with the ...
2
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1answer
36 views

Leviton Dimmer 3 way remote switch only turning off

I've been trying to get this three way setup working for a few days now. The wiring diagrams that came with the kits are not consistent and when I wired according to the diagram I was not able to get ...
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3answers
710 views

Do all permanent lighting fixtures need to be switched, per NEC?

I just have a quick question about code-compliance and permanent lighting fixtures. At one of the residences I maintain, we have some rather lengthy hallways which are located in the center of the 2nd ...
3
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1answer
117 views

Rewiring in metal conduit

My brother and his family live in an older house. It's old enough to have metal pipes as electrical conduits, quite uncommon nowadays in The Netherlands. He wants to rewire some parts, to move some ...
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0answers
79 views

150A for outdoors kitchen - wire size

I am working with the city to get the permits to build an outdoors kitchen with its own sub-panel. I decided to place it 100ft from the house. In my list[*] I have an electric tankless water heater, ...
3
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1answer
36 views

Add outdoor outlet opposite indoor outlet

sorry, this turns out to be a duplicate question already answered elswhere here It would seem pretty easy to add an outdoor receptacle in the backyard if it would be allowed to be wired from an ...
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1answer
38 views

Way to mount a small tv (27-32”) on bottoms of stairs angled down slightly?

I’m looking to add a tv to underside of stairs? Is it possible to do so?
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2answers
112 views

Garage wiring puzzle

I'm trying to figure out the wiring in my finished garage. It has two ceiling junction boxes, with attached porcelain lights, and three wall outlets. I'll say up front that all of this was done ...
1
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1answer
33 views

Circuit still powered after switching off circuit breaker and light switch

I was changing some outdoor lights. I had the circuit breaker off (which stopped the lights from working) and the switch off. I used a contactless circuit tester and a testing screwdriver which ...
3
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1answer
49 views

Separate panel for house in garage - how much capacity do I reasonably have left?

I've tried doing some research on my own, but I'm coming up short. I'm looking at getting a Tesla wall charger installed in my home. Tesla recommends a 60A breaker so that the charger can run at 48A, ...
2
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1answer
90 views

Can I put a 3-gang box and a 2-gang box (Old Construction) just next to each other to make a 5-gang box?

Home Depot doesn't seem to have 5-gang boxes - can I put a 3-gang and a 2-gang box together assuming that existing wiring reaches as required?
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1answer
27 views

Pool light not working

Just bought a home and the only pool light is not working. If the GFCI breaker is not tripped and there is no outdoor switch or GFCI, does that mean it’s probably the bulb itself thats dead? Or could ...
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1answer
40 views

Non-contact detector shows elec. from wall switch, but light will not come on

In our basement there is a small room we use as a pantry. We put a screw-in receptacle where a light bulb would go and plugged in a fluorescent shop light. The wall switch is blocked by a refrigerator....
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1answer
64 views

How to properly pigtail a second light source from existing light switch

all. I'm looking for feedback on how to wire a second light from an existing wall switch. I am providing a self-drawn diagram and an actual photo of the existing box with the wires exposed in an ...
3
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3answers
116 views

Legal/safe? Neutral in box goes to different panel than the one that provides the hot

TL;DR: in summary: the load (light) is in the garage, it is fed by a hot that originates in the garage, and it sinks into a neutral in the garage. The odd thing is that a switch loop extends from ...
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1answer
46 views

Can I do an external splice to my chandelier wire?

My ceilings are over 20 feet tall so I want to avoid renting scaffolding to replace the chandelier at the junction box.
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0answers
43 views

Light switch turns on outlet instead of fixture

The bathrooms in my house all have 3 switches, controlling the main light, the exhaust fan, and a shower light, in that order. However, in my master bath, the first switch is accidentally controlling ...
2
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1answer
49 views

Kitchen installation plumbing and electricity preparation

Hi when I install a new kitchen, should I first take care that the electric wires that are behind the base cabinets will be hidden inside the walls? Is it ok if they will be inside a plastic "tunnel" ...
17
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5answers
6k views

What type of cable should I bury for a small utility shed?

I'm putting a 8x16 utility shed in my back yard. It will be 100 ft from the service panel. I want to run the supply line under ground. There will be one 4ft fluorescent light and two 120V receptacles....
2
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3answers
133 views

Help determine current usage of my electrical panel and available capacity to add new equipments

I am a new townhouse owner and and hoping to get some help from experts here to understand my breaker panel, specifically What is the total amperage service to my unit. How much capacity is currently ...
7
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4answers
946 views

Ground Fault Circuit Interrupter vs AFCI

What is the key difference between a Ground Fault Circuit Interrupter and an Arc Fault Circuit Interrupter? The Acronyms AFCI/GFCI kind of tell us that they do, detect ground faults and arc faults, ...
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3answers
141 views

Hardwired Towel Warmer

I have a new 100W Towel Warmer to be installed in the bathroom. The towel warmer is a plug-in type but can apparently be converted to a hard wired model. I want to install it within reach of the ...
0
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1answer
61 views

Line loses power when light bulb is put in

My wife's cousin keeps losing power to her bathroom lights and fan. It will be out for a week or so, then come back on for a day to a week, then go back out. I went over and checked the line at the ...
1
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1answer
26 views

Using a HRV/ERV Fan without mounting it on a wall/window?

DIYers, I'm considering various options for home improvement and improving the home economy and resource/climate efficiency. One area of focus is the fact that I live in Denmark and it can get quite ...
2
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4answers
138 views

Can I reduce the current/power consumption of an electrical heater by adding a resistor?

I have a 2000W, 240V electrical heating element that I need to move. Connecting it to where it needs to be makes it draw, together with 2 other elements, more current than the fuse will allow (16A). ...
2
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3answers
95 views

Is it ok to run a 30A water heater circuit on #12 wire?

I moved into a 50 year old home about 2 years ago and we’ve been using a (miraculously working) water heater from 1994. Yesterday, its life finally came to an end when I found it had sprung a leak in ...
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0answers
36 views

Unfinished basement electrical re-wiring, protecting cables on cinderblock, also corrosion concerns

My basement has old electrical wiring, looks like it was a replacement for some even older knob and tube (which they largely left in place of course). While they did wire up lighting somewhat, though ...
3
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1answer
111 views

Name of this two pronged female DC power supply plug (looks like a pair of rectangular glasses)

Here's a YouTube video showing the plug. I'm referring to the plug that goes into the device, of course. Not the normal AC plug on the power supply unit itself. I'm considering buying a device that ...
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2answers
91 views

Can I use the ground wire as a neutral for an outlet?

I had a bulb light outlet, and I decided to convert it to power outlet. Now when I took the bulb light off, I discovered that there is only two wires in the wall, brown and yellow green, so I assume ...
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2answers
63 views

4 neutral wires bundled, two smart switches, how to pair neutrals

I have 4 neutral wires bundled together, and two switches requiring neutral. Each switch allows an in and an out for neutral, as pictured. My question is, does it matter how I pair the neutral wires ...
0
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1answer
47 views

Dimmer switch buzzing

I have triple dimmer switch that switches different areas. One of the dimmers is buzzing. I have tried different lamps including LEDs, and it makes no difference. I have changed the dimmer unit and it ...
19
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11answers
10k views

My room lights' brightness pulses when I turn on my toaster oven

I have a house with old 2-prong wiring in most of my bedrooms. My toaster oven is plugged in on the kitchen countertop. Whenever I turn it on, the brightness of the lights in 3 (out of 4) of my ...
1
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2answers
45 views

Wall heater wiring

I'm putting in a 2000 watt 240volt wall heater that calls for 14gage wire with a 15 amp circuit breaker. There is an existing 12gage wire with a 20amp 240volt circuit breaker not being used. Can I ...
2
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3answers
97 views

How to fix an electrical outlet where the threaded mounting hole is stripped?

The threaded mounting hole in my electrical outlet is stripped; please refer to where the top flat-head screw is in the photo. As a result, the electrical outlet is not physically stable. How should ...
3
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2answers
46 views

How to add a light to an existing 3-way circuit

Trying to add a light to an existing 3 way circuit. I have access from one light switch to my first junction box. The rest is Asbestos walls so I can't touch. Drawing below. Much obliged.
25
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3answers
2k views

How did my ground and neutral become energized by a short in the buried main line?

Long post, because I'm not sure what information is critical. The ultimate question is what, if anything, I need to do to ensure there are no hazardous conditions in my home. Friday night, the ...
5
votes
4answers
451 views

Can I wire a one-way parallel light switch?

I have some switched lights in my attic, which is accessible via scuttle in a pantry, which also has lights. Sometimes the attic light gets left on and forgot about. The attic and pantry lights are on ...
0
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2answers
54 views

Fix blinking LEDs with a motion sensor (when off)

I have bought a new motion sensor for my corridor LEDs. The lights turn on fine with it, however, when the sensor is set to OFF, the lights blink indefinitely (a few times per second) and never ...
14
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1answer
2k views

Is this box bonded properly to the ground?

The receptacle is from the mid-1950's and my multimeter shows that it is grounded. There are a solid 120 volts when testing between live and ground. I noticed a bare copper wire coming from the cloth ...
3
votes
3answers
152 views

How can I install standard outlets on a 30A #10 multi-wire branch circuit?

I was looking for hopefully a quick answer. I have a multi wire circuit coming out of main breaker box. It is a 30 amp double breaker with 10 gauge wire that divides into the double breaker . I ...
0
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1answer
168 views

No power to garage

I was replacing an outdoor light and couldn't find which circuit my garage was attached to. Tripped main breaker and garage still had power. I touched the "hot" to the ground to trip a breaker. Power ...
12
votes
7answers
3k views

Outlet screwed directly into stud

I was replacing old outlet in my house and came across an outlet that is screwed directly into the studs. Also the stud and the junction box were cut to fit the outlet. The new outlet is too big to ...
1
vote
1answer
25 views

Replacing fan/light switch

Trying to replace an old switch that controls a ceiling fan with light. The original switch had a knob that you would push in to turn the light on or off and use the knob to dim the light. I ...
0
votes
1answer
24 views

Metallic drip tray for fridge

The drip tray of my fridge broke down, which causes the water condensating in the fridge to drip on the compressor, which is not a good thing. While waiting for the replacement part, I've replaced the ...
0
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1answer
35 views

12/3 w/ ground run from switch to ceiling fan. Way to jump 12/2 for new light with independent switch?

Remodeling a bedroom in a 1980s townhome. The home was set up with switched outlets and no ceiling lighting in most rooms. The bedroom in question does have 12/3 cable w ground to the ceiling from the ...
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1answer
66 views

Why does my switch turn on one outlet and off another?

I have a wall switch that turns on one outlet but turns off another outlet at the same time. Am I missing something or what is the purpose of this? Ideally I would have one outlet on all the time ...
0
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1answer
44 views

What wire size for 125A Subpanel?

Service at Main panel is 200A. Subpanel is 125A. Want 100A delivered to Subpanel 100ft away (run). Can I use 100A breaker in Main and run 2-2-2-4 wire to the lugs in the 125A Subpanel?
3
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1answer
44 views

Can I recess electrical panel deeper than usual?

In California, I know that code limits how recessed behind the finished wall the electrical panel can be. I'm interested in improving the acoustic STC of the wall assembly and the easiest way is to ...
2
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0answers
61 views

Drywall “box” around firewall penetration inside stud cavity

In my condo (three floor building) the interior walls are all Fireguard-grade 5/8 drywall attached to 11 gauge structural steel studs (which SUCK except for when hurricanes blow through). Each ...
0
votes
1answer
56 views

No light but hot wire is hot

I was using a circular saw and thought that I blew the circuit breaker. The breaker I have on the line is a GFI and I noticed that "test" button on the breaker was no longer working and I couldn't ...