Skip to main content

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
1 vote
0 answers
46 views

How to test this wire to see if it's neutral

I am trying to determine if I can have a smart dimmer switch installed to replace this old dual light switch. There is an unconnected wire that comes into the switch box on one side and runs out ...
JFuller's user avatar
  • 11
0 votes
1 answer
83 views

Level 1 car charger causing outlets and lines to break

I have a Toyota RAV4 Plug-in Hybrid that uses a Level-1 charger (120V) which seems to be doing damage to or breaking outlets/lines in my home. The situation is the following: I had been using an ...
geoscience123's user avatar
1 vote
2 answers
106 views

Unsure if licensed electrician correctly wired old Zinsco 100-amp panel to new Siemens 200-amp subpanel

Our 1,572 sq. ft., 1972-built home in San Diego has a 100-amp Zinsco panel. We just learned that Zinsco busses and circuits are a known fire hazard. We talked to 4 licensed electrical companies, had ...
Kat's user avatar
  • 11
0 votes
1 answer
47 views

Fan motor from AC unit outside can it be hooked up to an extension cord and plugged in to blow air in my shop

Can I wire up a fan motor that I took off my outside AC unit to an extension cord plug it in to be a fan to blow air for my shop no capacitor nothing just the fan motor
Jimmy French's user avatar
0 votes
0 answers
40 views

A scheme to control a number of ceiling light bulbs being on with a single switch

I have a ceiling light with two bulbs and only two wires (live and neithral) arriving to it (220-250v AC) and a SPST switch. I want to connect one bulb directly to those wires and I want the other ...
user avatar
0 votes
0 answers
50 views

Can I use 10/3 UF to power 4 outlets? [duplicate]

Is 10/3 uf Sufficient for 4 outlets 100' underground to detached garage from 50 amp sub panel?
Jeff's user avatar
  • 1
12 votes
2 answers
3k views

Can I replace a GFCI outlet in a bathroom with an outlet having USB ports?

I’m wanting to replace the GFCI outlet in my master bathroom to one with USB plugs due to my wife’s new electric toothbrushes requiring USB to charge. Is it possible to do? Or should I just buy a ...
Andrew Lee's user avatar
7 votes
1 answer
1k views

Do I need to staple cable for new wire run through a preexisting wall? [duplicate]

I'm adding a 220V outlet to support an AC unit. I plan on running the cable through the attic then running down the inside of the exterior wall to disconnect box. There is no way for me to staple the ...
FourierFlux's user avatar
0 votes
2 answers
66 views

I want to plug my NEMA 6-50 extension from the wall to my welder

I have a welder that draws 45 amps and (will soon have) a NEMA 6-50R outlet in my garage. I bought a very nice NEMA 6-50 extension cord, expecting to cut the female end off and wire it to have a long ...
user1683793's user avatar
0 votes
1 answer
33 views

Adding light from SW1 in a 3-way

I'm trying to add a light from Switch 1 because it's the closest to where the new light needs to be. Switch 2 and light are upstairs. The wiring is 50 years old and I don't understand why the neutral ...
user201366's user avatar
0 votes
1 answer
41 views

Changing faceplate on Casablanca Intellitouch [closed]

I’ve got a switch box that I am replacing all of the old dimmers in. That box also includes some model of Casablanca IntelliTouch (1990s if that helps). The old one was ivory, but all of the new ones ...
randomstuff's user avatar
1 vote
0 answers
28 views

Rewiring a Pendant Lamp - Cannot Get Nut and Washer off Lamp Nipple/Bolt

I purchased a pendant lamp for my kitchen, but it arrived with a cord 20" shorter than advertised. I want to rewire it with a longer cord, but I can't figure out how to disassemble the lamp. The ...
leukenta's user avatar
  • 131
3 votes
2 answers
2k views

What is the proper way to terminate unused electrical wires?

I am replacing the wiring for a room and want to disconnect the old wiring. I came across: Terminating unused wire in breaker box But, that is at the main panel. My primary question is: #1 How to ...
John Doe's user avatar
  • 257
0 votes
1 answer
65 views

Can I twist and screw two ground wire into one slot in wall switch

I have an old wall switch with loose buttons to be replaced. After unscrewing, I found out that there are two ground wires in the old wall switch. and my new wall switch has only one slot for ground ...
Wilson60's user avatar
3 votes
3 answers
260 views

NEC Code requirements for location of neutral and ground connections

I have one 20amp circuit that runs from the panel box to an accessible junction box in my attic via 12/2 romex. This junction box also contains the 12/2 romex switch leg runs of all six lighting ...
10SexyApples's user avatar
0 votes
1 answer
106 views

three-prong plug doesn't fit in any socket

I'm totally dumbfounded by this. I have an electrical cable with a three-prong plug. It works fine in my house and at many other places I've taken it so far. This weekend I'm visiting a friend and it ...
Ya.'s user avatar
  • 145
0 votes
0 answers
37 views

Breaker issue 20A

My power goes off when the A/C mini split comes on. About 2 hours later it will come back on. Without touching the 20A breaker. Could this be a bad breaker?
John Mitchell's user avatar
0 votes
0 answers
27 views

Converting 4 way to three way

Doing some reworking of our kitchen and there is a switch we never use and would like the space for a second outlet instead. The switch being removed is a 3-way which is a part of a 4-way circuit. ...
Jeff's user avatar
  • 1
0 votes
0 answers
31 views

Old outlet, not controlled by switch, has 4 screws, 6 wires, top screws 1 white wire, 1 black wire, Bottom screws each- 2 white and 2 black

Old outlet not controlled by switch, 6 wires- 3 white, 3 black, top screws 1 white on left, 1 black on right, bottom screws- 2 white on left bottom, 2 black on right bottom, how do I change to new ...
Kandie's user avatar
  • 1
0 votes
2 answers
36 views

Changing out light switch, only controls ceiling light, 2 screws on old swotch, 1 red wire on 1 screw, 2 black wires on 1 screw, how do i change

Old 1960s light switch only controls ceiling light with just 2 screws, 1red wire to 1 screw, 2 black wires wrapped around 1 screw, I want to change to new switch that has 3 screws, I tried separating ...
Kandie's user avatar
  • 1
1 vote
1 answer
43 views

What rotary changeover switch do I need to be able to run 2 different well pumps?

I have 2 pumps that I am in need of installing power. I have 12/3 wire to the box but don't know what switch I need and how to wire it in. My pumps won't ever be ran simultaneously so a changeover ...
user198779's user avatar
0 votes
1 answer
45 views

Can I temporarily power a 200A subpanel from a 100A feeder breaker? [duplicate]

Long story but I currently have a 200amp through-panel outside my temporary dwelling (lets call it the cabin) which feeds a 200amp panel inside the cabin (all of our circuits feed from the 200amp ...
Jason's user avatar
  • 1
2 votes
4 answers
81 views

How to run wire out of a stud bay and into an unfinished area in basement, to cross over a door?

In wiring a partitioned area within a basement, I ran cables through stud bays using boreholes. For one door I had just enough space to borehole and run wire above the header and top plate. For ...
cr0's user avatar
  • 1,439
0 votes
0 answers
35 views

Sub Panel location changed from side to the front side of the house access issue from the attic

Advice and idea's please The location of the subpanel has been moved from the side of the house to now the front. Coming out of the attic we would have to be in the Eave straight down. There is not ...
B Brown's user avatar
1 vote
0 answers
97 views

Is my main panel ungrounded?

Opened up my main panel and noticed that the ground wire for the dryer is screwed to the bottom of the panel (see 3rd photo). All conduit leaving the box transports conductors for circuits that I can ...
Justin's user avatar
  • 145
1 vote
0 answers
50 views

How to install 4 wire plug on old Maytag dryer with two ground wires near connectors? [duplicate]

Attempting to ground older Maytag Legacy Series dryer properly with 14-30 receptacle and 4 prong plug. Can’t find a sticker with model info anywhere on the dryer. (Looked inside and out.) Two ground ...
Justin's user avatar
  • 145
0 votes
1 answer
48 views

LG LRE4213st Burnt Rotary Switch [duplicate]

We had a burner that would only heat to high so my husband replaced the rotary switch 6-7 months ago. Its worked fine until now. We were thinking it was the heating element this time, so we bought a ...
Kim.G's user avatar
  • 1
2 votes
1 answer
52 views

Electrical Service to Detached Garage

I am planning on running an electrical service (240V, 100A) from house to a detached garage. I am looking for feedback on my plan. Site: Western New York State Main House Panel is at the furthest ...
EmoInTheCreek's user avatar
6 votes
1 answer
972 views

Should I replace my three-prong dryer outlet with a four-prong outlet since I have a ground wire?

While running wire for a new dedicated outlet, I found 10/3 supplying my 3-prong dryer outlet. Removed the receptacle and discovered that the ground wire is just sitting unconnected in the outlet box. ...
Justin's user avatar
  • 145
0 votes
4 answers
90 views

How can I switch between high-current 240V devices in my workshop?

I am the only one working in my shop. I do not have to worry about anyone else switching power cords etc. I have a double 50 amp breaker, and only one 240v 50 amp outlet connector. I have to manually ...
Mizell Paint  Body Shop's user avatar
0 votes
1 answer
44 views

50 AMP sub panel in new shed

I have built a new shed and would like to install a 50 amp sub panel for power to the building. I did not install conduit into the slab. I will need to come up the side of the slab and then enter ...
Paul Grose's user avatar
0 votes
3 answers
95 views

Finding light bulbs that work properly with "2-way" lamps

I recently thrifted a pair of lamps and am having trouble finding proper light bulbs for them. Although most all lamps I'm familiar with either have a binary on/off or a three-way off/low/medium/high, ...
ApeelingPotate's user avatar
1 vote
0 answers
47 views

Please Help Needed! Loose/Sunken Outlet Box [closed]

Need help or a solution how do we go about fixing a loose and sunken outlet box. This also did not have a ground connected previously. We fixed the ground issue by installing a GFCI outlet as this was ...
barnbowling's user avatar
1 vote
2 answers
78 views

What can be determined from a knob-and-tube inspection without opening walls?

We purchased a house (built in 1920) with some knob and tube wiring and are closing next week. Home has 3 bedrooms upstairs and 1 in basement and 2.5 baths. Around 1400 ft^2 plus finished basement. We ...
Taylor the New Home Buyer's user avatar
0 votes
1 answer
65 views

Why does this light switch have three black wires connected?

I am changing out an old light switch in our condo. It controls an outlet inside the room, as well as one directly on the other side of it, on an exterior wall. I'm using a Decora push click paddle ...
larochey's user avatar
0 votes
1 answer
65 views

Finland sauna heater wiring issues

I'm working on a harvia sauna heater (hsp904mxw) and a control unit for it (cx1004xw01) and I'm having some issues wiring it up. Shown options for wiring are 400v 3 phase, 230v 3 phase and 230v single ...
Jakeb's user avatar
  • 1
0 votes
1 answer
57 views

Why would unrelated breakers start tripping after installing whole home surge protector?

I have an (100+ years) old house in the USA. Two days ago we got a whole home surge protector connected to two adjacent 20 amp breakers (and to ground/neutral) in the main panel as per the ...
Scott's user avatar
  • 21
0 votes
3 answers
95 views

Can I use a #10/3 cable for a 120V outlet? [duplicate]

I have an outside wire from an old water pump for a waterfall at my pond. Can I take the 10/3 wire (red,black,white and bare ground wire) and reduce it to 120 for my new pump? Or do I have to run a ...
Chris's user avatar
  • 1
0 votes
0 answers
68 views

What kind of A/C disconnect switch is this?

I recently bought a house and the A/C system is missing the cutoff switches. I was able to replace one successfully already but I'm stuck on this one - it’s missing the door cover with the model info ...
WhiskeyHammer's user avatar
2 votes
2 answers
660 views

Which gauge wire for a window AC unit?

I’m planning to add a new dedicated 240v/20A circuit for a window AC unit. The route from the main electrical box to the outlet will require about 65-70 ft of wire. The wire will also travel about 10-...
Justin's user avatar
  • 145
0 votes
1 answer
87 views

Best way of installing outdoor outlet with conduit on outside only

I've searched the interwebs and found two general approaches to installing an outdoor outlet: Find a nearby inside outlet. Poke a hole in the wall and extend a wire from that outlet. Put an outdoor ...
Roger Kaplan's user avatar
0 votes
1 answer
39 views

Trash or Recycle Old Halogen Under Cabinet Light Fixtures

I have these Westek lights that I replaced. I'd rather not trash them, but I'm not really sure they're recyclable. Or, maybe it's one of those things where I'd have to go through the hassle of taking ...
brehma's user avatar
  • 487
0 votes
1 answer
70 views

Do I need cement for ENT and if yes, can I use PVC cement?

Companion question to How to connect ENT to boxes and why is the nut missing? I am installing PVC boxes and ENT with the fittings from the linked question (fitting + metal locknut). Do I need ...
divB's user avatar
  • 1,531
0 votes
0 answers
28 views

Mounting a 2 gang wall plate on Siding

I have a covered patio and its walls have a cement fiber siding. I want to install a 2 gang wall plate on it. I was thinking of installing a recessed wall mount like this, and fixing the wall plate ...
user192856's user avatar
0 votes
1 answer
56 views

What type of electrical wiring is needed to run power to a15x20 square foot room

I am needing to run enough power to my shed that I'm converting into a small efficiency apartment living space for my brother. Plus adding an addition for a bathroom that will have a toilet, sink and ...
Crystal sapp's user avatar
3 votes
2 answers
277 views

Can I add a 100amp breaker to my 200amp meter main for my detached garage?

Like most homes that have a 200amp service at meter box main...can I add a 100amp in that same box to run to my detached garage about 60 feet away? Would upgrading the 200A to a 400A an option and ...
BeastModeManiac's user avatar
1 vote
1 answer
78 views

How to connect ENT to boxes and why is the nut missing?

I know to push out the knockouts but how are these adapters supposed to fit into these boxes properly when the locknut is missing?
divB's user avatar
  • 1,531
0 votes
1 answer
26 views

Fan switch power

The entire switch assembly is removed from the fixture. No connection to any power source. Why did I get shocked and then was able to produce spark with a screwdriver at plug in point, still connected ...
S C's user avatar
  • 1
1 vote
1 answer
37 views

Generator bonded or floating neutral

Since I am using a NEMA 14-50 R 4 prong power cord connected to a 50 amp outlet on my generator should the generator neutral be bonded. I have gotten different answers from various sources I have ...
D J O's user avatar
  • 11
2 votes
1 answer
67 views

What does NEC 2023 300.14 say about junctions with a dimension > 8"?

NEC 2023 300.14 states: 300.14 Length of Free Conductors at Outlets, Junctions, and Switch Points. At least 150 mm (6 in.) of free conductor, measured from the point in the box where it emerges from ...
user112697's user avatar