Questions tagged [electrical]

Distribution and use of electricity throughout the home. Electrical standards vary greatly worldwide, so you need to provide your location in your question or profile to 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
3 votes
2 answers
53 views

Hang ceiling fan grounded box but no ground wire

I'm trying to hang a ceiling fan and connect the ground wire from the mounting plate but I don't have any ground wire coming from my box. I have verified that the box itself is grounded though by ...
user avatar
0 votes
2 answers
19 views

Can I turn my two switches which control one light into motion sensor switches?

I have a stairway light with a switch at the top and bottom. Often my hands are full bringing stuff up and down, so I’d like to install a motion activated smart switch at the top and bottom. Would ...
user avatar
  • 101
0 votes
0 answers
44 views

Do I need a junction box to direct-wire these 4' LED lamps?

I bought these Barrina 4' LED T8-form-factor lamps off of Amazon. I plan on installing them in our basement by attaching them to bare joists and wiring them to a new 15A circuit. They include a little ...
user avatar
0 votes
1 answer
33 views

Can you put a 3500W element in a 4500W water heater to run a 20 amp breaker on 12/2 wire?

I have an A. O. Smith 40 gallon 4500W. Can I change the element to 3500W to run it on a double 20 with 12/2 wire?
user avatar
  • 1
1 vote
1 answer
46 views

Light fixture connected to 3-way switch without neutral

I've just discovered what looks like some crazy wiring. Our basement staircase has a light at the top of the stairs and a light at the bottom, as well as 3-way switches at both the top and the bottom. ...
user avatar
  • 13
9 votes
4 answers
738 views

Best way to cover exposed THHN cables where conduit has been pulled out

There's a set of exposed THHN cables before they enter a junction box below my home's load center. The wires are currently capped so I wanted to know what the risk was of having this gap when/if the ...
user avatar
2 votes
2 answers
61 views

30 amp extension cord with 15 amp outlets

I have a 30 amp RV outlet in my garage that I want to use to power a couple of 10 amp battery chargers. The battery chargers have 15 amp plugs. I'm thinking of getting a 10 gauge copper cable, ...
user avatar
  • 730
9 votes
2 answers
2k views

What is this electrical box next to the switchboard?

Black wire is coming from a hole to the brick wall so possibly outside. It looks like it’s falling apart and it’s connected to the main switchboard to the house. No idea what it is.
user avatar
  • 193
0 votes
1 answer
38 views

Running 2/0 Individual feeder wires through a mix of SCH40 PVC and LiquidTight Flexible Conduit

I need to run a feeder cable (3 individual 2/0 Al for HOT/NEU and one 6AWG Cu for ground) from an external main panel to a subpanel inside the house. The wires need to enter the crawl space before ...
user avatar
  • 363
0 votes
1 answer
58 views

How do I fasten NM cable to a concrete wall?

I have a finished basement with some concrete walls, and romex running along the wall (which will be behind drywall). How can I fasten the NM cable to the concrete to support it? It is not running ...
user avatar
1 vote
3 answers
58 views

Which circuit breakers should I purchase: Standard, AFCI, GFCI, Dual Function (AFCI/GFCI)

I understand the need to have GFCI outlets in areas such as the kitchen and bathrooms, but when I was upgrading my electrical panel, I saw there are multiple options for circuit breakers. The ...
user avatar
  • 275
3 votes
2 answers
284 views

Alternatives to running a single Neutral wire?

I have a switch box with two switches. I'd like to replace one of them - a single-way switch controlling a light in the hallway (which is controlled by no other switches) - with a smart switch. The ...
user avatar
0 votes
0 answers
59 views

Portable Generator with Manual Transfer Switch Troubleshooting

When I hook up a generator to my house via a transfer switch it does one of the following: Trips the main breaker on the generator immediately. It does this when the generator is neutral bonded. Or, ...
user avatar
  • 233
1 vote
2 answers
71 views

Did my LED luminaire fail because of an underpowered driver?

My LED luminaire has recently stopped working. First it started flickering, then stopped altogether, so that instead of the proper amount of light I get an extremely faint glow. Taking it apart, here ...
user avatar
  • 2,375
0 votes
2 answers
96 views

How do I plug in a grounded device when the ground pin has broken off?

I just bought a 15,000 BTU window AC unit. The plug is supposed to be 3 prong, but it was broken when I took it out of the packaging. The 3rd prong was missing and looks to have been snapped off. Can ...
user avatar
  • 1
0 votes
0 answers
50 views

Would RGB LED strip lights interfere with Ethernet cables [duplicate]

I've read that you shouldn't run your ethernet cables next to your homes power cables because there will be some interference due to the different voltages and magnetic field. Would this also apply if ...
user avatar
  • 1
2 votes
1 answer
176 views

How tight is too tight for wire staples?

For all things electrical I'd been taught that you want to make sure things are tight, and that problems generally come from something be loose - a loose opening into a box, a loose connection to a ...
user avatar
  • 1,069
1 vote
1 answer
147 views

Where should I add connection for garage subpanel with two 200amp service panels?

Here my meter Which feeds into this panel inside Then into these two Meter also feeds into this panel outside Which appears to feed into this panel inside Somewhere in that mix there's also ...
user avatar
0 votes
1 answer
99 views

Could this have been the cause of power issues I was having?

Based on comments/answer to my previous question, I cleaned the box up some, tightened all screws (no torque specs to be found) so I tightened to satisfaction. I also noticed the wire on lower left ...
user avatar
  • 129
1 vote
2 answers
94 views

Is this ceiling fan wiring code legal?

When I installed ceiling fans many years ago, I wired separate switches for the fan and lights. Instead of using one run of 14/3, I used two runs of 14/2 NM-B cable. At the switch, a single supply ...
user avatar
  • 29.4k
1 vote
1 answer
35 views

How to measure current draw of AC condenser fan motor, single phase?

This question is a follow-up from a related question about an AC tech recommending a likely unnecessary fan motor replacement. See Rust on outdoor ac fan motor? Tech recommends replacement? I'm trying ...
user avatar
1 vote
0 answers
80 views

Electrical main disconnect problems

I will apologize now for my lack of grammar and terrible writing style I never learned in school so you will have to please bear with me I will try my best to explain it so maybe you can understand ...
user avatar
0 votes
0 answers
89 views

How to make exposed wire safe

I live in Canada, and recently removed an old dishwasher. There was a power cord that I snipped, and was wondering how I could make it safe? Could this be a potential fire hazard if left as is?
user avatar
2 votes
2 answers
113 views

(Up to) 35 Amp Load on 10 Gauge Wire?

I'm looking to connect an electric pottery kiln to an existing subpanel that is serviced by a 10/4 copper line and want to understand if the wire can acceptably tolerate the load. The wire (installed ...
user avatar
  • 23
0 votes
1 answer
52 views

My light in bedroom isn’t working [closed]

So my light recently went out so obviously checked bulbs and then Bought a new led fixture which worked fine but then it stopped working as well so wiring it I notice the light will light up but only ...
user avatar
0 votes
0 answers
22 views

From Honeywell to Google Nest... not cooling?

I recently changed my thermostat from an old Honeywell 7-day to a Google Nest. I'm an idiot cause I didn't take a photo before replacing it. now, I feel the air is not cool, just air/fan. The NEst is ...
user avatar
  • 119
0 votes
0 answers
49 views

Smart 3-way dimmer switch cuts off at full brightness with incandescent bulbs - won't work with LED bulbs?

I installed TREATLIFE smart switches and dimmers throughout our entire home and there is only one 3-way dimmer switch that just won't seem to properly function. These smart switches are from Amazon (...
user avatar
  • 1
0 votes
2 answers
78 views

Why does my ceiling light fitting has 2 of every wire

I took my old strip light out and didnt properly look at lay out,now ready to put new light up it has 2 brown wires, 2 copper and 2 blue wires. Would all these go into same terminal on new light ...
user avatar
  • 1
0 votes
0 answers
31 views

Choosing Where to Place Forced Air Wall Heaters

I have a small home ~800 sq ft in a mountain climate that gets quite cold in the winters (10s-20s F in the day in the winter). I already have a pellet stove but the other existing heat comes from two ...
user avatar
  • 167
0 votes
2 answers
48 views

GFCI Circuit Breaker won't reset after construction

I had my garage slab removed and during the jackhammering phase, a GFCI circuit breaker tripped and would not reset (It would immediately trip when I turned it back on). I replaced the breaker with a ...
user avatar
0 votes
1 answer
36 views

I have a ded circ for my fridge with 2 neutrals attached to the receptacle. 1 of the neutrals is shared with 2 other cir. Can I remove the shared?

I have 3 circuits - 2 20 amp and 1 15 amp. 1 20 amp is dedicated to the Fridge and the receptacle for the fridge has the hot from the panel terminated at the receptacle and also has a neutral from ...
user avatar
3 votes
2 answers
146 views

Should I terminate individual conductors exiting conduit or run all the way between panels?

I need to make a run from my detached garage to my house. The run exits the garage by way of an LB, runs underground for 25ft in 1 1/4" Schedule 40, then enters the house through another LB. From ...
user avatar
  • 238
4 votes
2 answers
82 views

200A Meter Socket Ground / Bonding Strap

I'm replacing a meter socket (upgrading to 200A) operating under NEC2017, and saw something I didn't see on the old socket. Current setup - a 200A capable main panel, with 4ga stranded wire coming out ...
user avatar
  • 493
2 votes
2 answers
88 views

Large Kitchen Island Outlets

My island for my kitchen measures 144” x 50”. I will have outlets on each end in the waterfall edge. I was reading that I will need an outlet at every 48”. Do I have to put two outlets on top of ...
user avatar
  • 159
5 votes
1 answer
902 views

Can I hookup a electric cooktop on 20 Amp breaker?

I am planning to buy a electric cooktop of 2 burners. Right now I have a connection of 20 amp breaker with 12/2 wire. I am confused if both burner are opened at the same time. below are details and ...
user avatar
  • 570
12 votes
5 answers
3k views

Why are there occasionally sparks in my old breaker panel?

Anyone notice any wiring issues here? I know the housing wires are old. This Main panel runs from the meter. I have noticed occasional sparking here where the blue dots are. It causes the house to ...
user avatar
  • 129
1 vote
2 answers
81 views

Best way to align cast-in-place conduit to desired box location

So I was close when I cast this 3/4" sch40 PVC in concrete - but not close enough! I'm roughing in an 110v electric radiator here with a single run of 12/2. Where I want the box to interface with ...
user avatar
0 votes
1 answer
74 views

Can a three way switch control two lights that have no connection?

Our contractor added a light at the bottom and top of the basement steps, each on separate switches. The top light is on a three-way switch with one of the switches right next to the switch for the ...
user avatar
  • 243
0 votes
0 answers
56 views

LG Washer plays dead. Re-plugging sometimes revives it?

I have an LG washer: WM2650H. This morning it was dead: pressing the ON/OFF switch did nothing. When I unplugged, and plugged it in again, I could switch it on again. I left it off for half an hour, ...
user avatar
  • 451
0 votes
1 answer
58 views

Whole House Fan Emergency Shutoff / Limit Control

We are installing a whole house fan (which we already have) and would like the extra precaution of an emergency shutoff so it won’t cause extra risk of fire spread if a fire occurs (due to it causing ...
user avatar
  • 101
7 votes
1 answer
636 views

House Wired Incorrectly? - MWBC [duplicate]

I am working on finishing my basement. In my basement there is 3 junction boxes fed by 12/3 wire. Each junction box feeds a single 12/2 line (White-White, Black-Black, Ground-Ground, Red-Nothing). My ...
user avatar
  • 71
0 votes
1 answer
22 views

Radiant stove burner - Wire or switch?

One of the burners on my glass range stopped working. More specifically, it won't turn on when I turn the knob, but it does warm up when using the Simmer Select setting. I lifted the glass cooktop to ...
user avatar
1 vote
2 answers
136 views

Is my garage subpanel safe for 100 amps?

Not an electrician. Just wondering how much my subpanel can safely power. I have a 125-amp subpanel in my attached garage powered by two separate 6/2 NM-B cables with ground, run in the attic. ...
user avatar
0 votes
2 answers
61 views

How can I identify my switch wiring for a smart switch?

I have a light that is controlled with 2 switches. I want to control it with a smart switch, so I bought a "3-Way" smart switch, since that's what the online guide said to get. The switch I ...
user avatar
2 votes
2 answers
826 views

Would like to change a 230 Volt 12/2 into 2 each 115 Volt separate plug lines without having to run another 12/3 from panel?

Would like to use an existing 12/2 line from a now defunct water heater running 230 Volt to this junction box. Would like to change or split this 230 Volt 12/2 into 2 each 12/3 lines to run 2 separate ...
user avatar
  • 21
0 votes
0 answers
27 views

Wire size for the communication between generator and ATS

I have a 125KVA Generator supplying a 200 Amp ATS. What is the size of communication wire I need between the ATS and the Generator? I was told I need an 18 Gage / 1mm wire; that does sound right.
user avatar
0 votes
1 answer
55 views

Grounding a Legrand Metal Wall Box from existing box that's too short

What would be the proper way to ground this new Legrand Starter Box (BW5) if the ground cable inside the previous box and it's too short to reach the new box or receptacle? The original cabinet ...
user avatar
4 votes
2 answers
121 views

What can cause a partial and temporary loss of power?

My elderly mother lives, alone, in a townhouse (basement, full first floor, second floor "loft" type arrangement) in the United States. Construction date unknown, but probably 1990s. She ...
user avatar
  • 307
5 votes
2 answers
757 views

What is a Non-automatic AC Disconnect

The 10 GE AC Disconnects that comprise their list of Spec-SetterTM Safety Switches are categorized fused, no fuse and non-automatic. I want to know the definition of a non-automatic AC disconnect. GEs ...
user avatar
  • 81
0 votes
1 answer
26 views

Costco CST80SL fan wiring

I want to replace my old bathroom fan with a CST80SL BROAN bathroom fan. Originally, there are two switches in my bathroom, one for bathroom fan and the other for bathroom light. My question is can ...
user avatar

1
2 3 4 5
286