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.

Filter by
Sorted by
Tagged with
2
votes
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 ...
1
vote
4answers
317 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 ...
1
vote
1answer
48 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 ...
13
votes
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 ...
9
votes
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 ...
1
vote
2answers
33 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 ...
1
vote
1answer
56 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 ...
1
vote
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 ...
1
vote
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 ...
1
vote
2answers
54 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 ...
0
votes
1answer
55 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 ...
2
votes
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 ...
1
vote
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
votes
1answer
44 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
votes
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 ...
0
votes
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
votes
2answers
997 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 ...
1
vote
1answer
82 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
votes
3answers
840 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 ...
0
votes
0answers
17 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 ...
12
votes
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 ?
1
vote
1answer
39 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
votes
3answers
706 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 ...
1
vote
1answer
49 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....
3
votes
2answers
104 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 ...
0
votes
2answers
43 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/...
1
vote
1answer
47 views

Air conditioner locating c wire on old unit

Hi guys I'm trying to figure out I'm using a dual heat and cool thermostat so i decided to get myself a smart thermostat and want to connect both thermostats into 1 but I'm having trouble location the ...
0
votes
1answer
54 views

Shed subpanel wiring

I have a portable building about 50 ft away the house. I had an electrician come run a feeder to a subpanel in the shed. Looks like he tapped off of my Generac Transfer switch. When I opened up the ...
2
votes
3answers
59 views

20A & 30A dual feed into subpanel

Okay so this is my first shot at this question, but not my first time trying to research the subject. I am in the process of designing a tiny house and have started thinking electrical. NOTE : I will ...
0
votes
2answers
57 views

What size wire for 180' run to shed?

My 100A main breaker panel is full. I was planning to have it ran off of the meter with 60A I have #6 thhn wire to run in conduit 180' to shed. I only need a 20 amp circuit and 15 amp circuit in shed.
0
votes
3answers
63 views

Electrical circuits mixed in same conduit

I've got an electrical wiring question. I've got a 100 amp sub pannel close to the center of the house with an EXTERIOR 200 amp pannel of the west end near PSO FEED. I need to add a 30 amp recep ...
1
vote
2answers
29 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 ...
1
vote
1answer
64 views

Can a switchover to backup power be seamless for a whole house?

We're contemplating a backup generator for the house. Most of them have transfer switches that kick in quickly, and automatically, but naturally the generator has to start, spin up, and stabilize ...
0
votes
2answers
31 views

Installing Steam Sauna heater

I am installing a Steam Sauna with a 3 wire 240v curcuit (L1, L2 & ground). Can i install a three wire "Disconnect" at the location of the Sauna because it is over 100 feet away from the main ...
1
vote
1answer
75 views

How can I completely shut off / inert my home alarm system?

I am asking more-or-less the same question as in this post: How can I disconnect power to an ADT alarm system? The house has an ADT alarm installed by its previous owner. I am not paying for ...
0
votes
1answer
36 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 ...
13
votes
6answers
9k views

Identifying Wires behind Light Switch

I am trying to upgrade my rocker switches to Smart Switches and ran into a problem identifying wires behind the old switches. It seems that the old switch is connected with a ground and 2 white ...
9
votes
6answers
5k views

Using a heater and toaster oven trips the breaker. Can an electrician fix this?

Using a heater and a toaster oven together, both about 1500w each, trips the breaker. It seems both are on the same circuit. Moving either appliance to a different location is not really an option. ...
3
votes
3answers
86 views

120 volt timer passes small amount of current when off

120 volt timer passes small amount of current when off. It's on Christmas outdoor LED lighting. The lights glow real dim when the timer goes to the off position. Does it on two different timers. ...
2
votes
5answers
128 views

Using non-metallic cable with this metal box having armored cable attached?

I'm planning to using this existing outlet to add an additional outlet for a TV directly above. The kit I purchased has a plastic old work receptacle box. Can I use building wire (Romex) into this ...
3
votes
2answers
137 views

Using UK toggle light switch in the US?

I have been looking for a specific type of light switch for my home inspired from an architecture tour I took many years ago in France at Villa Cavrois. Unfortunately, it seems this is an almost ...
13
votes
2answers
2k views

What range of heights are allowed for wall receptacles?

I need to mount a receptacle on a basement wall. If I can mount it high enough, it can go on the wood cripple wall instead of having to drill into the concrete and risk the excellent watertightness ...
7
votes
5answers
1k views

Adding an outlet above this metal box

I'm trying to install a new outlet about 3 feet above an existing outlet (for a wall-mounted TV). It appears that the existing outlet is in the middle of the run, so I'm not sure how I would add the ...
1
vote
1answer
128 views

Is this outside security camera wiring correct or lazy?

We are replacing a defunct security camera system with a new one. I was quoted new wiring for the whole deal, the installers are now trying to not re-wire the whole setup. I now have a second hole ...
0
votes
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 ...
1
vote
4answers
80 views

Is it better to splice outlets into a run, or to run a branch? [closed]

I have an electrical line running through the joists of a basement storage room. It runs near an area where I’d like to put a couple of 2-gang outlets, but not immediately past. I was thinking about ...
3
votes
1answer
49 views

How to wire a 3-way dimmer switch in box with three cables

I was thinking I would replace one of our dumb switches with an Eve smart switch. I opened it up to make sure it had a neutral wire, but it was wired so poorly that as I pulled on the old switch, ...
2
votes
2answers
74 views

Can I convert a wall lamp into a usb socket?

I've recently moved house, and there is a wall lamp, see picture, which we never use, and i was wondering if i could put a usb socket there instead so i could charge bike lights and similar ...
0
votes
0answers
39 views

Why was one of the light switches wired differently from other location?

Last night I installed a master dimmer and a companion dimmer in the dining room. Upon removing the wall plate to one of the two switches, I discovered that a black wire was attached to the black ...
2
votes
4answers
92 views

Why is part of my home electric going out?

At times my thermostat in another room, oven, clothes washer, dishwasher, and two outlets in the kitchen go out for no apparent reason. The breakers don't trip. The GFI receptacle doesnt trip. We ...