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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54 views

Wiring problem on 4 gang metal light switch

I'm concerned with the current wiring of a bedroom light switch box (4 gang, metal box with 4 on/off toggle switches). Based on the Wiring Diagram included in the post: I believe the ground wires ...
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2answers
400 views

Grounding help: steel studs, ENT, and NM + M boxes

I have a structural steel stud condo with 5/8 Fireguard Sheetrock wall. Ref the picture below - I am wondering about grounding requirement given the metal box + steel stud + ENT. There are three ...
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6answers
12k views

How do 5 light switches in 2 boxes with all black wires work?

I'm attempting to replace some switches and have opened up two of the boxes in my bathroom. I've found that for all the switches (5 total switches in 2 different boxes) they only use black wires. ...
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1answer
58 views

Does anyone know how to remove the wires from this light socket, does anyone know how I find information about this type of socket?

The socket is from a wall mounted light fixture, the side of the socket says AI YACHT AT578 4/250. I've tried googling this product information but all I get is advertisements for yachts. Does anyone ...
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3answers
1k views

How should I eliminate an unused switch in a two gang box?

Florida, USA We bought a house with five ceiling fans, each with a light fixture installed. Each fan is controlled by a pair of wall switches in a two-gang box, one for the fan motor and one for the ...
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1answer
33 views

2 gang smart wall switch installation wiring

Merry Christmas and Happy New Year! Trying to replace switch with smart switch. Now I have 2 gang switch and two lamps in a room. I bought 2 gang (1 way) smart switch, but struggling to understand ...
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0answers
35 views

4 rocker light switch makes a popping noise, and I've noticed it a few times when the Air conditioning clicks on? Thank you. Kind of worried

My master bathroom 4 rocker light switch makes a "Pop" noise several times a day. Tonight, I think it popped when the air conditioning went on(yes air conditioning :) Could have been a coincidence ...
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1answer
45 views

Help/Advice Half hot receptacle

Half hot receptacle and the regular receptacle: always hot receptacle controls (powers) other power receptacles down the line . What's throwing him off (Mr) is there are black and white wires crimped ...
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1answer
61 views

Confused about an outlet

Outlet worked fine for years. It stopped working...changed with new one (wired just as the other was, Black to gold, White to silver, Ground to green). Nothing. Nothing Hot to Neutral, nothing (2v) ...
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1answer
88 views

Found 2 wires hanging below shingles against foundation

I found 2 wires hanging below the shingles against the foundation outside my house under my bedroom window. One is white, the other black. Are they electrical? No idea how long they've been there and ...
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1answer
38 views

Wiring help needed with 2 separate lights and switches

I have a single switch in my garage for the light outside my garage. I have a single switch at my front door for my porch. I want to have it so either switch will turn on both the garage, and porch ...
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1answer
70 views

Meter Panel Ground

I am trying to have "cable" installed. The installer clamped on to the "ground" cable on the outside of my building and read 0.5 to 3.3 amps, so he would not install cable until the reading is less ...
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31 views

Replacing light fixture, current box has too many wires for new fixture

I've been working on setting up a new light fixture for a few hours now and ran into a bit of a problem. This fixture was replaced about 6 years ago with the current one, so it's not too old, but it'...
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1answer
25 views

Mixed Recessed LED Lights Not Working

I purchased a home that has recessed lighting throughout. They are the LED lights that clip into a standard light bulb screw-in socket. They all point straight down and I wanted to purchase some that ...
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1answer
44 views

2 pole 20amp breaker connected to my 40 amp stove

Hi I recently noticed in a house I bought that I have a 50 amp outlet in my kitchen that is connected to my electric range stove that requires a 2 pole 40 Amp breaker. But the breaker that these are ...
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1answer
42 views

turning 2 way switches into 3 way

Picture in the link is in my garage. I have 4 14/2 wires. All whites are nutted together. 2 blacks are nutted together, and 1 going from that nut to each both switches. The below pic has 3 14/2 ...
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0answers
31 views

Replacing a light switch with a smart switch

I'm trying to replace my existing light switch (in my new build home in the UK) with a Innens smart WiFi switch (https://www.amazon.co.uk/dp/B07RK5F8HC/ref=cm_sw_r_cp_apa_i_jNHbEbVEDEEF6 ). My ...
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2answers
148 views

Does it violate US wiring code to have non-standard outlets?

Note: this is entirely theoretical. I have no (current) plans to actually do this. Would I violate any state/national building/electrical codes if I installed BS 1363 (UK plug/socket) sockets on a ...
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2answers
70 views

Make outlet controlled by switch, always hot

I currently have a receptacle controlled by a switch that I want to make constant hot. There are other receptacles in line as well, that are constantly hot. I opened the receptacle and am lost (not ...
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3answers
116 views

Ground fault interruption in a dryer with ground bonded to neutral?

I've posted this issue elsewhere and maybe because it's so boring nobody wants to expend the energy on it (which is fine!) but for me the motivation is 50/50 safety and learning more about electronics ...
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3answers
147 views

size breaker and wire to used on a car lift

Can someone tell me the breaker size and wire size to use on this car lift? Here is a picture of the data plate:
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2answers
78 views

How do I connect touch panel 3 gang switch?

I’m confusing about line2 from wall has 4 wires instead of 3? Line 1 and Line3 has only 3 wires. Line 2 is not 3-ways switch. What I know is only 3-way switch has 4 wires. My question is how do I ...
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2answers
46 views

AFCI Breaker tripping

hoping to pick your brain about some electrical issue I'm having. The outlets in 3 of my rooms stopped working - the AFCI breaker (15 a) for that circuit is tripping and won't reset. The lights are on ...
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4answers
68 views

Breaker tripped under no load?

Came home tonight and found my hall light didn't work when I flipped the switch. Went to the panel and found the breaker had tripped. The only things on this circuit that I know of, based on what ...
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2answers
46 views

Location of a new electrical sub panel

I am installing a 125A sub panel (fed with 60A breaker from main panel). Am I allowed to install it directly below the existing panel? Are there minimum height requirements for a sub panel? Is there a ...
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4answers
314 views

converting HP to Watt

I checked the net and found that one horse power is equal to 735.5 watt. I thought there should be a time factor in this calculation. I have a 0.5 HP motor. I would like to know if the motor runs ...
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1answer
47 views

Watt meter for main panel

I'm looking for a simple watt meter where I can connect both lines of my split phase and get a reading of how many watts and amps are flowing through. I've seen something similar for solar systems ...
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5answers
2k views

Should I run 240v for any supported appliances?

I am having my main circuit breaker panel replaced (by a licensed electrician) and he told me I can run new circuits for him to hook up to the new panel. Is there any benefit to running 240v circuits ...
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5answers
2k views

20 amp circuit breaker failed to trip

I had an electrician install a dedicated 20 amp GFCI duplex outlet and 20 amp circuit breaker (both customer supplied) two years ago. The outlet is directly below the panel box. Just this month, I ...
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2answers
32 views

Installing bathroom fan timer switch

I am trying to replace a single pole power switch of bathroom fan with timer switch. I tried to connect the wires as per the user manual but the fan works only when it’s connected to the power switch ...
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1answer
45 views

Can you run a 240v US split phase welder on 230v UK single phase

I am moving from the US to the UK and would like to know if my welder will work on UK power. The welder is 240V 50/60 hz so that should be fine as I understand it... except, the welder is wired for US ...
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1answer
41 views

In a three way switch, why would the “open” traveler wire test at 17VAC [duplicate]

While I had my 3 way switches open, I used a DMM to figure out what was hot and cold while flipping the switches. While my traveler shorted with the line feed showed 120VAC as expected, at least one ...
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2answers
332 views

changing electrical plugs

I'm planning on buying a solder iron from ebay, the device has a US plug but it uses 220V-240V I know US outlets only uses 110V. What I want to know is just because they change the plug to a american ...
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2answers
52 views

Wire Size 100amp sub panel?

Merry Christmas! After lengthy research, still looking for some input. New sub panel in basement. Thinking Square D QO Plug-on neutral. Neutral and ground isolated, adding 2 ground bus bars - bonded ...
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1answer
47 views

How can I install an exterior porch light where there is no junction box?

I live in an older house with small, exterior porch light fixtures outside 3 doors. Those fixtures need to be replaced. When I pulled the first one off, I found 2 wires coming thru the wall - no ...
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2answers
192 views

Additional receptacles on 20 amp service using quick holes on back

Garage with yellow 12-2 + G wire and 20 AMP breaker. I am adding receptacles. Hubbell has a 20 amp commercial receptacle that will take the 12-2 wire through the holes on the back. I note that these ...
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2answers
83 views

Fix circuit so power is constant, instead of controlled by wall switch?

The previous owner of my newly-purchased house had someone wire garage. There is power running out to garage but the only way to use garage door openers, lights and plugs is to flip the regular light ...
2
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1answer
37 views

Confused by extra wire on Legrand dimmer

Replacing 3 dimmers and one single pole switch in a 4 gang setup with Legrand dimmers and a Single Pole switch. Original wiring by licensed electrician. Existing dimmers have R,B,R/W(Not connected)...
2
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1answer
130 views

Is it up to code (anywhere) to have a ground wire poking out the end of a wire nut?

A few days ago there was a hot question about wiring with several pictures, here's one. Ignoring all the other issues with this wiring job, on the right hand side we see a green wire nut with the ...
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1answer
58 views

Using leftover Romex in conduit (surface mount application in an attached garage)

I am planning to add an outlet circuit to my garage. Strangely, when they built the house, they only put two outlets in the entire garage, both of which are on shared circuits with the rooms on the ...
4
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2answers
976 views

Bathroom fan fluctuates in power when using countdown timer switch

I just installed this new fan in the bathroom: Utilitech Ventilation Fan 1.5-Sone 100-CFM White Bathroom Fan However, if I use regular toggle switch, it works fine. But if I use countdown timer ...
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1answer
81 views

Convert Three-Way to Single Switch and Add Smart Switch

Would like some feedback/instruction on converting a three-way to single switch and then install a "smart" switch that requires LINE, LOAD & NEUTRAL. Current Configuration: ( Switch A ) has (2) ...
6
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3answers
833 views

Safe to use a 16 amp motor on a 20 amp circuit with a 15 amp outlet?

I have a 1.5 hp table saw motor rated at 115v/16amp. My garage has all 20 amp breakers but all outlets are 15 amp. Does the 15 amp outlet present a hazard if the wiring and circuit are all rated at 20 ...
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0answers
16 views

Issue Installing Ecobee 4 on 4 zone boiler with Aquastat

I have a 4 zone valve boiler system. Each of the zone valves is Honeywell. I have a 24-volt transformer along with an aquastat. I have attached a photo of the wiring diagram from what I can tell ...
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7answers
3k views

Can I run CAT6 FTP cables parallel to electrical cable in the same conduit?

Can I run CAT6 FTP cables beside to electrical cable (220v 1 amp) in same PVC Trunking ?
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1answer
36 views

Gas fireplace doesn’t turn on when cold

We have a Lennox gas fireplace that’s about 10 years old and we live in New England. We have the thermostat set to turn off the unit overnight and back in at 6am. Often it doesn’t turn on even though ...
6
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3answers
704 views

Replacing a power outlet safely

I want to replace some power outlets in my condo with ones that have built-in USB ports. The condo was built in 2008. My thinking is I can simply turn off the breaker for those outlets and get to ...
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1answer
46 views

Low Voltage C-Wire at Thermostat

Looking to install an ecobee thermostat and decided to measure my common wire before unhooking anything. I tested the R, C wires and see they are only reading 14v, whereas R,Y, and R,W are reading 28v....
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2answers
102 views

Wiring a switch and a dimmer

I have a box with a switch and a dimmer side by side. Last year I replaced them with smart switch/dimmer and had no problem until the dimmer stopped working. I am replacing the dimmer, but foolishly ...
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2answers
42 views

6/3 NMB in non-metallic conduit?

I’m running a 50A circuit using 6/3 NMB from my interior panel to a hot tub. I’ve got the required GFCI protected disconnect within direct line of sight of the tub (about 15ft from the tub). I have 3/...