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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2answers
27 views

3 way switch receptacle to recessed light

My current room has a 3 way switch that controls the bottom plug of the receptacle (bottom plug is controlled by switch, top is always ON). I want to do recessed lights in that room with no previous ...
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2answers
162 views

Custom lamp project for a non-engineer - Help needed

I'm trying to build custom 3 bulb lamp. About me: Biochemistry major so very far from electrical but I've built RC plane models before so I know soldering and stuff. Nothing really about electrical ...
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0answers
17 views

Why am I getting hum and lights dimming with a new electric tankless water heater?

So, I just installed an electric water heater and I'm getting a light hum from the water heater and the breaker panel. It's also dimming some lights.. unevenly. It seems to be more noticeable when the ...
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1answer
11 views

How to correctly wire a bathroom heater switch

I have an old Honeywell thermostat-type switch that controls the heater in the bathroom. Teenagers frequently forget to turn it off and so it runs for hours. I want to replace it with a push-button ...
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2answers
65 views

Why am I getting 24 volts in kitchen outlets, unless TWO breakers are on?

I have 6 power outlets in my kitchen. Two 20amp breakers in my panel supply power to them. I wanted to update my GFCI outlets, with new ones (old ones were installed when the house was built, 1994). ...
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1answer
36 views

Appliance upgrade

I'm upgrading my stove and cooktop to electric units. Currently the house has a 50amp 220V circuit, run using 6AWG Al wire. New oven is rated at 20amp and cooktop is at 40amp. Can I replace the ...
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1answer
67 views

Use a 50 amp / 240 volt outlet for car charger and snow melting system?

We have a 50 amp / 240 volt outlet in our garage for an electric car charger. We would like to use this power for snow melting our driveway in Massachusetts so as to avoid needing more power to be ...
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1answer
71 views

Recessed lights quit working

All 4 of my kitchen recessed lights quit working yesterday. I tried installing a switch but I have a black and white active nutted together. I have two black wires one active one not and an active ...
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1answer
56 views

Changing light fixture

So I’m doing my first household electrical repair and am having a time doing it. So I had a flush mount light fixture stop working (2 socket). So I replaced the bulb sockets because they were all ...
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2answers
2k views

Doorbell constantly rings even after replacing switch

This is a newer home in the US (fewer than 10 years old). The doorbell started ringing all the time. Disconnected button and it stopped. Replaced the button with a new button, and it stayed on all ...
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1answer
151 views

EU single back box screws and spacing

I'm designing something that has to screw mount into a standard European round single gang electrical back box, so I need to know what the distance between the screw holes as well as the screw ...
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3answers
142 views

Outdoor Outlet Non-GFCI Downstream of GFCI

Can I run a non-gfci outlet outside if it is downstream from a GFCI outlet on the same circuit?
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1answer
90 views

Light bulb suddenly only turns on for a moment, tried multiple bulbs

So when it happened, I tried to turn on the light (that worked fine before) and it lit up only to go off shortly after. subsequent tries were met with failure. So I changed the bulb for a new one. No ...
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2answers
44 views

Is my 2-gang switch box over-full with 5 cables?

I am installing a dimmer, and I thought there were a lot of wires in this box. It looks like there are 5 cables into a 2-gang box. I tried to draw a little diagram and attach a photo to make it ...
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1answer
234 views

GFCI receptacle will not reset

My GFCI tripped and would not reset. I jumpered out the outlet and all power returned to normal. I assumed it was a defective GFCI so I replaced it. Same problem. Power is available at the line side, ...
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0answers
22 views

Bosch Induction Hob Keeps Restarting

I just purchased and wired a bosch PXY675DW4E and it keeps restarting. https://youtu.be/F9wrC7jOavI https://youtu.be/7aZgkkcT6w4 Also restarting randomly from time to time. I wired it according to ...
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2answers
26 views

Trying to replace a garage light switch with old wiring

Trying to replace a light switch in the garage with a new one but the wiring doesn’t match. Old switch has white (currently matched to red/black) and black (currently matched to black) coming out of ...
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1answer
34 views

Replace FS5/FS2 starter with S10?

for a jukebox restoration project (changing T12 lamps to T8 by replacing lamp + ballast, the juke uses one ballast and starter per lamp), I am looking for the correct starter of the TL lamp. The juke ...
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1answer
29 views

Installing a Meter Socket and Safety Switch

I’m in installing a meter socket and 30 amp fused safety switch where I’m only using one leg of service. I got 3- wire 120/240 service entrance which connect to my meter socket black and red to there ...
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1answer
164 views

Counting Smoke Detector Wires In Junction Box

I want to connect a wire to get power for for a ceiling fan to an existing junction box in the attic that is used right now only for a smoke detector. Box currently has a 12-3 wire coming in, and the ...
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4answers
2k views

Do powerline adaptors need to be plugged into outlets that are on the same leg

I used a powerline adapter like this to connect my security camera receiver to my router. This allows me to access the cameras from my cell phone which was working but now it doesn't. There's two ...
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0answers
28 views

Push in vs Wire Nuts? [duplicate]

So I've been doing a lot of "smart switch" upgrades around the home. A lot of z-wave and lutron stuff. If anyone is familiar with installing these they take up a TON of space compared to a normal ...
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5answers
1k views

What is the proper way to convert a pair of three-way (SPDT) switches into a single two-way (SPST) switch?

I'm in the process of replacing some of the light switches in my house with smart switches, Wemo Light Switches in this case. I've had no problem with the replacement of my One-way switches (SPST I ...
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1answer
73 views

how to rewire from a light fixture to a switch outlet

I have an outlet that power comes into from breaker and the outlet wires to other outlets and goes to a switch that i would like to run a light fixture from the switch, i already ran cable to the ...
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3answers
31k views

How can I install a timer with three-way switches?

I currently have a set of lights controlled by two switches. I believe they are both three way switches, I know one of them is. I am trying to install a timer while keeping the three way switch ...
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0answers
78 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, ...
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1answer
60 views

Can I convert a 3-way switch that switches half duplex outlets into an outlet?

I have a room where all the wall outlets are half switched, bottom half always hot, top half are run by two 3-way switches. One of the 3-way switches is on a wall I am removing and turning into a pony ...
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1answer
75 views

Are neutrals for several circuits supposed to be connected at the panel?

I have 3 hot wires from the breaker box, 1 goes to a 3 way switch, from the 3 way 2 tracer wires go to the other 3 way switch, the lights are connected to the load terminal of the second 3 way. The ...
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1answer
38 views

What width of wire for 24V DC LED driver?

I bought a 24V/25W LED driver from a local shop and the sales assistant sold me a short length of 20AWG control wire to go with it. In order to buy more wire (elsewhere) I looked up the UK (mm2) ...
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5answers
30k views

How can I trip a breaker from the outlet

One time at my job we had some electrical work that needed done. The electrician had a small homemade switch box with a 120v mains plug running out of it and a switch on the front. The device ...
3
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4answers
659 views

Shared neutral on the same leg

I have a two bedroom cape with 14-3 running to the second floor where it splits. I noticed at the panel some time much later that the two 15 amp breakers that power up the individual rooms, are ...
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1answer
52 views

I want to add a light box to an existing light circuit

I have one regular light with a single pole switch. I want to add 4 more lights to it, but I don’t want the new lights and the light I have up controlled by the one switch. Is there a way to wire it ...
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1answer
42 views

Correct way to remove a red wire from a circuit

Reference: Can I convert a 3-way switch that switches half duplex outlets into an outlet? My answer to the referenced question involves removing the red wire between two 3-way switches and converting ...
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2answers
105 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 ...
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2answers
4k views

How do I install an occupancy sensor at a switch with only two wires?

How do I install a Lutron occupancy sensing switch on a switch box with two wires? Also, what do I do with the green ground wire?
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1answer
105 views

Splicing building wire cables to accommodate door

I'm adding a doorway under a stairwell and ran into wiring running through the wall. My question is specific to the wiring. I'm planning to add a junction box on each side, splice, and then extend the ...
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1answer
68 views

Can I Leave Ground/wires on a GFCI outlet Un-conected?

Thx for taking my question; I bought a New duplicate Outlet/Light switch/ one outlet for my bathroom. New outlet has two black ground wires; I
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1answer
64 views

Power goes out intermittently but no tripped breakers or GFCI

Recently I have experienced power outages in several circuits. These are all outlets that serve my kitchen and living area. After some time, the power will eventually come back up. There are two GFCI ...
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1answer
24 views

How to connect existing wall switch to a new remote controlled fan?

Just replaced an old fan with a new remote controlled fan but would still like to use the preexisting wall switch to either power the fan off or at least control the light. Is it possible to do this? ...
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10answers
67k views

Why are “Wire Nuts” not used in the UK?

I have never seen a wire nut used in the UK, but they seem to be very common in the USA, why?
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0answers
32 views

Adding new electrical outlet; ceiling insulation is sandwiched between drywall and plywood (attic)

I'm looking for a good technique to add an outlet to a wall that currently has no electrical. My initial thought until my discovery was to: 1) Identify the stud I want to anchor the outlet to 2) ...
5
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1answer
126 views

What is the best way to handle house wiring cables with short sheathing?

I'm replacing a couple switches in a bathroom with smart switches and ran into a problem. The previous owner redid the bathroom and the switch box in question had 5 Romex cables (four 12/2, one 12/3) ...
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1answer
64 views

Light going out when furnace or refrigerator kick off

I have recently added a new circuit in my basement that includes a couple of wall switches connected to can lights in the ceiling and a 4 plug outlet. One of the can lights has a habit of going out, ...
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1answer
32 views

Dual light switch changing to dual smart switch

I currently have 2 switches. Each switch has a black wire and a white attached to it. I’m trying to install a dual smart switch, which requires 4 black wires and a neutral wire. Confused on how to ...
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1answer
53 views

Changing the light switch

I am changing the light fixtures and I got stuck. The wires coming from the wall are Red (was connected at the bottom of old switch), Blue (was connected at the top) and Copper (was connected with a ...
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1answer
48 views

Temperature monitoring for storage hot water system (RP-2 connection)

My HWS has a secondary outlet connection I don't use, and I'd like to use it to install a thermal probe I can monitor. HWS RP ¾ / 20 temp probe? Does anyone know of a practical way to install a ...
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5answers
3k views

GFCI in a 3-wire sub panel with bonded neutral and ground

My detached garage has 100-amp 3-wire service from the main panel in my house, with a 100-amp breaker at each end of the feed. The grounds and neutrals are bonded inside the sub panel due to the lack ...
14
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3answers
5k views

How can an outlet with only 2 wires (hot and neutral) be grounded?

I live in a home that was built in the late 1930s with some old electrical wiring and some new wiring. As I was identifying which outlets and lights are controlled by which wires I discovered a ...
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1answer
17 views

Relay Nest T-Stat

Can I use a nest T-Stat T3007ES to run 2, 2ooo watt cadet in wall heaters model RMC202W if I use a relay, and if so, what is the proper relay to use?
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4answers
1k views

How to use a 100 amp sub panel for a 50 amp input

I'm building a shed I want to add power to. To get power I'm planning to use the power that is going to my hot tub (50 amp). The hot tub has a 50 amp breaker from the main to a 50 amp breaker box ...