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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Tankless Electric water heater Electrical interference

I recently installed a Rheem Retex-18 tankless electric water heater. When I turn the heater on I experience many electrical issues around the house: 1. Sense home energy monitor freaks out and turns ...
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Junction box in dishwasher bay

According to the NEC, is it permitted to put an electrical junction box inside a dishwasher bay behind the actual dishwasher? If it ever had to be reached, which I hope is never, the dishwasher ...
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Circuit worked briefly after replacing GFCI, but stoppped

I recently had an issue with the outlets on a couple of circuits not working. After testing, I was able to determine that the issue was a faulty GFCI and replaced it. The outlets were working with no ...
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1answer
31 views

Electrical wire inside Schedule M copper tubing

Is it ok to run electrical wires in schedule M copper tubing? I have recently installed electric cove heaters in my house and I do not want to run the wires through the wall. I am thinking about ...
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1answer
42 views

Installing a Ring Flood Light Camera

I want to install a Ring Floodlight Camera, in place of a motion detector outside the garage. The Motion detector triggers the 4 lights above of the garage to turn on, and there is a switch inside the ...
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2answers
83 views

Replacing receptacles and found 14 AWG in a 20 amp circuit. Advice?

Bought a house a few weeks ago and I’m in the process of replacing all my receptacles to tamper proof models. Generally all circuits in the house are 20 amps or more and replacing all the 15 amp ...
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2answers
50 views

Lights turn on at different times?

Very confused. I already had 2 rows of lights, as seen in the photo below. Today, I added a 3rd of lights ... by pigtailing into the second rows junction box. Now, when I flip the switch, the 3rd ...
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1answer
28 views

Why is Thermostat Y wire connected to C terminal on furnace?

I have a Nest E thermostat, and like many others have lost wifi and getting low battery because I have no common wire connected. After looking at my old Lennnox 78ugf3-75-1 furnace, I noticed that my ...
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4answers
62 views

Germany - wire 3 core garage to 4 core mains

We have an external garage and a 4 core (brown, blue, green/yellow, black,) cable is supplied from the main property. The garage is supplied with an electric door opener, wall sockets and an internal ...
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My inflatable hot tub says “don't use with an extension cord”… but can I?

Sadly they don't explain WHY not to use it with an extension cord. I wonder if it's to do with the risk of having such connections outside in the elements? The cord it comes with is 7m long, and ...
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3answers
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Can I steal neutral from fixture for 3-way switch device with no neutral?

my 3-way switch is wired this way, because i am unlucky: so i have neutral in the line box, no neutral in the load box. i want to use a leviton smart switch that requires neutral in both boxes. if i ...
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1answer
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wiring a double light switch in bathroom

so i attempted to install a vanity light which i did but as anticipated the wiring is mixed up or wrong. here we have the vanity light, the ceiling lights, the outlet next to the switch, and an ...
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Electrical wiring

Loop 3white 1yellow 3bundled black on ceiling. 1 wall switch with2 two toggles. What do I do with yellow. 2 hot white bundled 1white cold left alone. What do I do with yellow. Fan has light and remote....
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68 views

Different gauge wire for a 40 amp 240v

I am moving my range. I need an extra 4 feet. It is very difficult to run new wire. It is 8 gauge aluminum wire (says on sleeve 2-8). Can I connect 6 gauge aluminum to the 8 gauge aluminum in a ...
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44 views

Are rubber grommets OK for junction box?

I'm looking at options for lighting my basement workshop. I really like these "canless" ones that would mount in the suspended ceiling. Interestingly, some come with junction boxes, but MANY do not--...
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1answer
34 views

Single pole switch installation - 4 wires in box

I recently had a renovation complete with only the rough in work done for electrical. Due to the pandemic, its hard to get people to come by to finish the work. I am trying to install a single pole ...
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27 views

Workshop subpanel with possible solar backfeed

Needing to run power from the residence to the workshop. the need is 220v for the welder in addition to overhead lighting, the run is 375'....what wire and conduit size is needed? If in the future, ...
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1answer
51 views

Stud hole for Romex electrical wire filled with Green-glue acoustic sealant - Cause of concern?

I am helping my brother with his unfinished basement when I realized he made a mistake. I told him to use a fire stopping sealant in certain stud holes where Romex wire was being fed through. ...
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2answers
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How to Wire New Ceiling Fan with Remote and Wall Switch?

I wired my new ceiling fan to the picture attached. It was not working because the light stayed on all the time so I put the blue from the ceiling fan to the black and black from ceiling and receiver. ...
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1answer
39 views

Can I Combine Two Three-Way Switches and Add Outlet?

I have two three-way switches that I would like to combine into a two combination three-way switch and add an outlet. Is there anything wrong with doing this? I am thinking of wiring them both to the ...
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2answers
43 views

Light fixture goes out just before flush to ceiling

BV022061 10:07AM | 04/05/20 I changed out an old light fixture. It had 3 blacks, 3 whites and 1 red. Hooked up the lines but the light switch would not work. Found out red wire is the switch so ...
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2answers
103 views

Miswired 3-Way Dimmer - Contractor used 14/2 in Traveler. How bad is it?

We just had our kitchen remodeled and the contractor moved one dimmer switch in a 3-way circuit. Today, when I went to take a look at the moved outlet, I saw a few things that set off some alarms: ...
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0answers
206 views

Baseboard socket plug replacement

So up in the attic guest room of our century home, there’s a baseboard electrical outlet that looks like a light socket (see picture below). I’m not sure what exactly to call it, and various Google ...
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2answers
128 views

2 wires going into one terminal on a single pole switch?

I am very much a newbie when it comes to this stuff. I have to replace a broken light switch. When I took it apart, this is what the wiring looked like- one wire backwired and one using the side screw....
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0answers
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Need help on error code for a solar power inverter

I have a solar array with 2 Sunpower/Sunnyboy inverters model SPR-6000m. One of the inverters has an error that from the manual (see pic) is "Inverter Interference". The indicator lights that blink ...
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2answers
42 views

Replacing a switch with 2 knobs

I’m wanting to replace this switch but don’t know how to wire it can someone give me some advice the switch now has 2 knobs one for the light and one for the fan I’m wanting to just have 1 switch
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0answers
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Google Nest doorbell install - 6 wires

I’m trying to install a nest video doorbell, however I’m unsure how to wire it up as I cannot find a relevant wiring diagram. I have a Friedland 106 doorbell with one doorbell button at the front door....
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2answers
66 views

any possibility that I may have damaged a wire in the wall?

This is what happened a few hours back while I was installing a shelf in the bathroom. The shelf requires three screws, but according to the stud finder, the screw locations I wanted didn't align ...
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6answers
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ELECTRICAL - Max number of branches on one circuit?

Just curious. Is there a maximum number of junction boxes (and then branches coming off of those junction boxes) that one circuit is allowed by code to have? Could you theoretically just continue to ...
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1answer
59 views

Cover screws for panel do not fit

I got a 125Amp panel (Siemens) for installation, and found that the cover screws included did not fit. I later found that my sheet metal screws, fit perfectly. Are there any NEC guidelines against ...
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2answers
37 views

Dead Outlet--GFCI RESET button stuck

I have a dead kitchen outlet. Switching the circuit breaker won't bring it back. I looked at the GFCI and it looks like the RESET button might be stuck. This seems like my issue. Is there any way to ...
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1answer
65 views

Rare 3 phase Panel

I have a panel in a building I acquired and Im having a hard time figuring out how to pull 240. Its a 225A 3 phase panel with only 2 hots. The center pole is a ground. The voltage from line to ground ...
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2answers
32 views

Rewiring Outdoor Light to Switched Outlet (half hot, half not)

I have an outdoor light that's currently controlled via a light switch inside the house, that I would like to convert into a switched outlet (half hot, half controlled via the existing light switch). ...
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1answer
29 views

One of the double dimmer is still on

I have changed dimmer switch in our lounge, it’s double switch, one of them is working normally, but the other one is still on and can’t switch it off or lower the light. There is more light on this ...
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3answers
127 views

Should I put in a sub-panel to add breakers to an older home?

I’m renovating my kitchen in a century home. It has already been updated with newer wire, but many shortcuts had been taken by the previous owner. I plan to replace the old wire throughout and add the ...
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2answers
92 views

Is it possible (/advisable) to install foreign plug sockets in your home?

When travelling in developing countries I've found a lot of hotels have plug sockets that allow for plugs from a variety of different countries to be used without adapters. Basically something like ...
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1answer
56 views

Why is my front room ceiling fan switch setting off my smoke alarms

When I come down in the morning and switch my ceiling fan on it sets off the fire alarms, it shouldnt be set off by a surge in the circuit as far as i know as the fan is downstairs and the smoke ...
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2answers
63 views

Can I use sprinkler cable for LED light strip extension?

I have a bunch of leftover sprinkler cable, 18/5 solid copper. The product description from the manufacturer says it can also be used for low voltage landscape lighting. I need to run an extension ...
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0answers
17 views

Jandy power center PCB#5574c replacement

My Jandy power center PCB#5574c went bad and cannot find the same one to replace. I found another one that is PCB#4192E. I am asking if PCB#4192E can be used as replacement? Or is there other better ...
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2answers
68 views

Can I install electric equipment on carpeting?

I am starting to build a 600-watt solar panel system. I have a small workshop, that used to be an office. I am planning to install it there. I plan to install backups, a charge controller in an ...
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32 views

Recessed lighting turns off on its own

I have recessed lighting, and the one on the end always dims off. What could be the cause of that?
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2answers
38 views

220v, 3-wire circuit, 4-wire cooktop: tying neutral & ground - variation on common question

220v, existing 3-wire circuit, new 4-wire cooktop (I understand that white and ground on cooktop get connected to bare ground on incoming line). BUT, the 3-wire incoming line first goes into a ...
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2answers
74 views

How do I replace this odd outdoor outlet and light setup?

UPDATE: First, thank you all for the responses, I really appreciate it. I first tried to drill through the screws but I couldn't make it work; they were encased in thick metal, almost as if thick ...
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1answer
1k views

What kind of receptacle is this?

I was rearranging stuff in my basement and found a strange looking receptacle. It is on a 15A circuit in an 1950s house. It is in a room that I suspect (for a bunch of reasons) was finished by the ...
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3answers
59 views

Replace l15-20p with l15-30p?

I am putting in the electrical runs for my home shop and got some l15-30r (3-phase 240v receptacles) because I want to run 30 amp 3 phase circuits for the maximum size machine possible. All of my ...
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3answers
59 views

Dual Purpose breaker (Eaton type BR Combination AFCI/GFCI) trips when starting blender or vacuum

My brand new home has all available outlets protected by dual purpose circuit breakers EXCEPT for my bathrooms which are protected only by Eaton 15 amp Type BR Combination AFCI breakers. My blender ...
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2answers
53 views

How do we wire a new bathroom exhaust fan to our bathroom?

In our attic we have a junction box that has the power wire connected to a hallway ceiling light. Can we tap into that to get power to install a bathroom exhaust fan? We would be putting in a double ...
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2answers
58 views

System to charge 24V lead-acid battery from a 12V lead-acid battery

Our garage has no mains connection, but it does have a 12V leisure battery charged from a solar panel, connected to an inverter to produce 240V AC. That mainly gets used for charging a mobility ...
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0answers
60 views

Does a true wireless 4-way switch exist?

I have an exterior light circuit for 2 detached buildings (house and shop). I have a new detached garage that I want to include in the light circuit. It has its own subpanel, and it has wiring that ...
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2answers
67 views

Is all 220 appliance cable the same?

I have someone with a tanning bed that was hardwired in the previous home. To make things simpler for them, I'd like to just take a dryer pigtail and wire it up for them instead. I don't know much ...

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