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.

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Can I fix a 1-gang steel box at the bottom onto a horizontal beam with a spacer?

Usually metal boxes are attached to vertical beams ("studs") in the wall. I have an opening in a lath & plaster wall with a horizontal beam just about 1/2"-1" underneath the ...
divB's user avatar
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9 votes
1 answer
2k views

Could someone identify this yellow thing on a battery charger?

Picked up a battery charger at a garage sale, and I have no clue what this yellow thing is on the cable. If it's a connector, how does it come apart? Thanks for the help.
user76732's user avatar
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How do I automatically run a fan whenever my freestanding gas fireplace is running?

Under the 2020 NEC, I'm looking to add an extra fan to a freestanding gas fireplace beyond the built in blower. The extra fan is an ordinary wall fan with a 15A/120V plug. The existing blower uses a ...
popham's user avatar
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2 votes
1 answer
186 views

Variable spacer for mounting metal boxes in old work

Every other answer to a question that involves electrical boxes references the advantage of metal boxes over plastic (old work) boxes. It is claimed that they are very flexible to mount but I don’t ...
divB's user avatar
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0 votes
1 answer
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All legs of a lighting circuit down, but 120 volts off my breaker

I'm not an electrician, but usually a capable homeowner for troubleshooting my own electrical issues. My issue is that I have a 15amp lighting circuit where all legs are currently down. Started a few ...
Josh's user avatar
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1 answer
67 views

Installing a 220v breaker

I’m adding steam humidifiers to our two HVAC units, they currently run on 110v but will double the output on 220v which we need. I’ve pulled 8 gauge wire to the panel box and will terminate in a ...
Miffedone's user avatar
2 votes
1 answer
154 views

What do I do with 6 wires going into a light socket?

I'm trying to swap a light fixture. I'm used to a fairly standard 3 wire configuration (hot neutral ground) and this is what the replacement fixture expects. When I pulled off the old fixture, this is ...
Indigo's user avatar
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1 vote
1 answer
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EVSE terminal torque specs and associated wire size

For installation of a Tesla Gen 3 EVSE the manual requires the terminal screws be tightened to 50 lbf.in torque and recommends wire from #12-#4 gauge with #6 gauge wire used for a maximum possible ...
stan li's user avatar
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1 vote
0 answers
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Why does the broiler of my Frigidaire induction range trip my GFI breaker, on ground fault, after 6-8 minutes?

With my Frigidaire induction range, new in 2021, the broiler tripped the Siemens 40A, 2-pole, 240V GFI breaker after the broiler operated for 6-8 minutes. No other mode of operation – with burners and/...
peterrockwell's user avatar
0 votes
3 answers
53 views

Spring Wound timer on stove top [closed]

I have an electric stove. Occasionally someone in the house (myself included) may forgetfully leave it on after finishing cooking a meal. I'd like to wire a spring wound timer to the appliance. The ...
Chris's user avatar
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Can I put four outlets on each of two 20A circuits in my garage? [duplicate]

I turned my garage into a woodworking shop. I currently have a single 20a circuit in the garage and I want to add more using the same 3/4 EMT conduit. I've installed 240a circuit so I feel comfortable ...
Sam's user avatar
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0 answers
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Does a subpanel at boat lift need grounding rods?

I have a boat lift that is wired with 8/3+insulated ground (240v). I want to add a subpanel at the lift to install a 120 outlet and future overhead lights. Initially, I will have a GFCI 240 breaker ...
Lic0rice's user avatar
3 votes
2 answers
1k views

Is there a problem oversizing a circuit for a car charger?

I am wiring a Tesla wall connector with #6 gauge THHN in conduit and installing a 60 amp breaker to allow for a max 48 amp charge. If I only need a 48 amp charge every so often and choose to ...
john s's user avatar
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1 answer
136 views

How do these NM connectors work?

What’s the purpose of the elongated plastic thing on the left side of the connector in this picture? Similar question except this connector has the elongated plastic bit on the right. What is the ...
Marco's user avatar
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1 answer
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How to install ceiling light fixtures in these strange locations (Austrian apartment)

I recently moved into an apartment in Austria, where you're responsible for installing all light fixtures yourself (tenant/landlord laws are very interesting here). Most of the wiring is ...
SmokyMcMangoFace's user avatar
-1 votes
1 answer
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I don't have the previous code on my Linear one button garage opener remote where can I get it [closed]

Where can I get the codes for one button Linear garage remote for a Chamberlin Formula 1?
Ezell's user avatar
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1 answer
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Splitting Standard Outlet with 2 different hot wires (light switch and normal) and shared neutral into 2 double outlets

I am trying to hide some cables that power some Leds strips on my countertop and my living room lamp. This is the countertop bar that separates my kitchen from the living room. Currently, there is a ...
joe's user avatar
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2 votes
1 answer
94 views

Why are the box fill on Carlon boxes inconsistent/wrong?

This is a side question to Box fill calculations for a light switch in a Carlon old work box because I realized what is written on the Carlon old work boxes is possibly wrong or at least inconsistent. ...
divB's user avatar
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Box fill calculations for a light switch in a Carlon old work box

I thought I got the box fill calculations right but there must be an issue, still. Because, assuming my calculations are correct, no single box on the market would be large enough for a simple light ...
divB's user avatar
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Can I mount a light fixture on an electrical outlet box? [duplicate]

I have a backyard with no light but we do have an outdoor outlet. I would like to know if I can mount a light fixture using the electrical outlet box. The mounting plate comes with the light fixture, ...
sammy's user avatar
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1 answer
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Why doesn't my dishwasher work after doing work in the electric panel?

My Whirlpool dish washwer recently stopped working. It's been used about 2 years. The buttons still SEEM to work because they light up and make the beep-y noises as you push them. But when I hit "...
bri85's user avatar
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0 votes
2 answers
63 views

When I direct wire my LED bulbs to 120 V. they only flash in when the wires are touched

These are Utilitech T8 LED bulbs. The box says they work with an electronic ballast. Will they work direct wire 120V also? I tested them before installation and they only light for a millisecond when ...
Bert's user avatar
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0 votes
2 answers
73 views

Most future-proof j-box/light for closet

I have a normal, small closet (approximately 46”x24”). I am doing electrical work and on that occasion I’d like to add some light to the closet. I was thinking just adding a normal j-box (e.g. Carlon ...
divB's user avatar
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0 votes
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Which wire and conduit with already-present outlets in the basement

I have a double outlet in my basement that is fed by 14/2 Romex wire (from the panel to the two outlets). The wire runs along the ceiling for a length and then drops down vertically along a concrete ...
THill3's user avatar
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1 answer
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Panel Ground Wire Routing

The space between the right side of the panel box and the grounding bar is only 1/2" making getting the wires in and out a bit tight. But running it in between the neutral And ground bars there ...
crichavin's user avatar
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1 vote
1 answer
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How can I surface-mount (PVC conduit) light fixtures and ceiling fans?

Background: I'm currently in the middle of rewiring my house, largely because it's an older house (vintage 1939), and between multiple rewirings and the oldest wiring still in use being original, we ...
Cerebrate's user avatar
  • 123
0 votes
1 answer
67 views

Running 14/2 Romex vertically up a concrete wall

I'm in western NY. I have an outlet in my unfinished basement that I need to connect to the electric panel. I have the 14/2 cable wired into the outlet and I just need to run it up the concrete wall, ...
THill3's user avatar
  • 97
0 votes
1 answer
31 views

How can I split power from wall sconce switch to power a ceiling fan?

I am trying to tackle my first "bigger" electrical diy project by adding in a ceiling fan. Refinishing a room and a light switch currently controls two wall sconces on the opposite wall. The ...
Michago's user avatar
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1 answer
65 views

Proper torque specs and cleaning busbar and lug connections

I have 4 stud M8 (5/16”) Bus bars which connects 4/0 and 3/0 copper lugs from the LiFePo4 batteries (2.5 kWh) and Inverters 2.6 kW split phase off-grid). I wanted to know what can I use to clean the ...
Rick's user avatar
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0 votes
1 answer
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Updating detached garage electrical

Looking to update the electrical setup currently in my detached garage - read through many posts on here of similar projects, but nothing with exactly the same specs. Hoping to find some right answers ...
kraesheo's user avatar
0 votes
1 answer
90 views

Is this outlet unsafe?

My 3 year old son was pushing the limits the other day and partially unplugged an air cleaner that was running in our living room, he then decided to throw a metal toy which hit the exposed plug and ...
matt.'s user avatar
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2 votes
2 answers
182 views

Derating for wires in conduit

I'm wiring my workshop (standalone 200-amp service) and running wires in 1-1/4" PVC conduit under the slab from the breaker panel on one wall to another wall about 50 feet away. I have one 50-amp ...
JeffC's user avatar
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0 votes
1 answer
43 views

Floodlight mounting questions for outside - what to do?

I am currently trying to mount a floodlight outside on top of my vinyl siding. I have a "triple three mount" and a metal electrical box to go behind it. Is this a good way to do it, or is ...
Aaron's user avatar
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0 votes
0 answers
41 views

Swamp Cooler switch

I would like to take this swamp cooler switch off the wall since I now have central air. What are the chances/How do I know if it isn't connected to something else like a light switch or plug and if I ...
Ned's user avatar
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1 vote
1 answer
76 views

Common ground wire for multiple circuits with different wire sizes

I'm wiring my workshop and want to use a common ground wire for multiple circuits. I've found several answered questions here about using a common ground wire but I haven't found one for my specific ...
JeffC's user avatar
  • 31
0 votes
1 answer
52 views

My light switch is stuck in on position and blew all the lights of the house off!

My kitchen has a 2 gang light switch which one of the switches have been blowing all the lights in the house whenever turned on, I accidentally turned it on today and it is stuck in the on position so ...
Saff's user avatar
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1 vote
1 answer
47 views

Is it possible/safe to fork one LINE wire for two light circuits?

The kitchen in my house opens out into the family room. On the far side of the kitchen, there is a 2-gang switch box [AB], on the near side of the family room is a 1-gang switch box [C]. - ---...
bosco's user avatar
  • 113
2 votes
1 answer
64 views

Converting 3-way Switch to Single Pole Smart Switch

(Reposted from a guest account I lost access to somehow) I recently moved into a new home built in the 1970's and am looking to upgrade some no-neutral dumb switches to smart switches. After doing ...
Sandersonerson's user avatar
0 votes
0 answers
42 views

Any special code to surface mount two gang box for outlets undersink?

I need to add four outlets under my sink. I am going to supply the outlets with the (20A) power circuit from my dishwasher (9A); the dishwasher and garbage disposal are on separate circuits. I was ...
BLH BLH's user avatar
  • 13
0 votes
1 answer
56 views

Surge Protector with travel adapter for a different country [closed]

I am using the following Schuko (Germany) to India adapter (Amazon.de) I am using this surge protector with Schuko plug (Germany) (APC Surge Protector - PM8-GR - Power strip with surge protection: ...
Porcupine's user avatar
  • 103
1 vote
0 answers
62 views

Is my subpanel service entrance cable secured properly?

This will be a 100a sub panel. Using Al 1-1-1-3 SER. Questions: 1.) Is this SER feeder wired and secured sufficiently? 2.) How about here where it enters the main panel? Can I put some form of ...
crichavin's user avatar
  • 195
0 votes
0 answers
29 views

I want to add another switch and fixture from a switch

I have power coming through a light to the switch with 12/3 wire. at the switch location I want to add another switch to another fixture. How do I wire it?
chris's user avatar
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0 votes
1 answer
53 views

New GFCI Tamper Resistant Outlet not working

Purchased a new Leviton Tamper-Resistant GFCI Outlet. Installed it and the green light comes on, but when I plug something into it, it doesn't come on. Tried something else that I know works and ...
Denise Bernard's user avatar
0 votes
1 answer
48 views

Can I use LFNC to supply an EVSE on the exterior wall of my house?

I'm trying to add a Level 2 EV charger (EVSE) to my home in the least expensive way possible. The Grizzle-E charger can output 40amps, so I'm planning on supplying it using a 50amp breaker with 6awg ...
Uncle Woody's user avatar
0 votes
2 answers
82 views

How do I add a always on duplex receptacle under sink on same circuit as switched garbage disposal

Garbage disposer and dishwasher each have their own breaker. Garbage disposer hardwired into a toggle switch above sink that powers it on/off. My filter and faucet needs somewhere to be plugged in and ...
BLH BLH's user avatar
  • 13
2 votes
0 answers
86 views

How can I add a neutral to my subpanel?

I have a 60a subpanel on the side of my house for the pool equipment. There are only two conductors and a ground. Originally the only things that were probably connected were the pool pump and heater, ...
Don Caton's user avatar
1 vote
1 answer
63 views

Can I use grey PVC to go from breaker panel to underground run to hot tub?

I want to run grey PVC schedule 40 conduit down the wall from my breaker panel outside and through an 18 inch deep trench back to my hot tub. I'll terminate the conduit at a Cantex box at ground level ...
DOUG's user avatar
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0 votes
3 answers
117 views

Can I safely add a 50A EV charge circuit breaker to a 90A panel?

I have a sub panel mounted next to my main panel that is supplied with a 90amp breaker. I would like to add a 50 amp breaker to handle a 14-50 plug for an EV charger. My question is can the sub panel ...
Rafael Fuentes's user avatar
23 votes
7 answers
6k views

Is this two-110-to-one-220 adaptor as fire-hazard as it looks?

I was browsing amazon and found this strange extension cord that takes two 110v circuits and combines them into one 220v circuit. I vaguely understand how two outlets can be on a different circuit/...
Sidney's user avatar
  • 1,625
0 votes
0 answers
59 views

How to wire smart switches with a dead-end 3 way?

So I got some smart switches (Kasa HS210), and being relatively handy thought I could wire them up alright, but I guess I'm in a bit over my head due to having a "dead end 3-way"? Using the ...
Havegooda's user avatar
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