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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56 volts from unconnected red wire when checks with meter to the black hot

I have three exterior outlets controlled by a toggle switch. The electrician ran 2 wire (black and white) power from the switch box to 2 separate GFCI's. The third regular outlet, protected by one of ...
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-1 votes
1 answer
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Luminaire disconnect

I saw this a menards and was wondering if I could use this to splice wires together ? it seems like it accepts a couple wires in at one end and then another at the other and then in order to connect ...
2 votes
2 answers
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Adding Light to Existing 3-Way Wiring

I have a poorly lit hallway with 3-way wiring setup as shown in the image below: I want to add an additional light in the position shown below and can't figure out if it's possible or not. The wire ...
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1 answer
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Electrical switch help

In my bedroom light switch I have 3 sets of cable coming into the box. 1 from the ceiling fan. 1 from the last working receptacle and going to the next outlet. From the last working receptacle is ...
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3 votes
2 answers
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How to connect up a new light fixture

I'm trying to install a new light fixture (I'm based in Canada in case that matters) and I am having some trouble figuring out which wires to connect to which. The existing outlet has (see picture ...
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1 answer
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Replaced standard Siemens 15 amp light circuit breaker with new Siemens 15 amp dual function. Standard was fine but new dual trips immediately

Code changes require all living areas to be arc and ground fault protected. Finishing basement and initially used standard breakers with no issues. When I learned of code changes, replaced all ...
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1 answer
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I wanted to eliminate backsplash outlets only to have holes cut into my lower cabinets. Contractor says this is code for Atlanta GA

My house is on a slab with the electrical coming from the ceiling. I thought that using the outlet strips and having them hard wired with the connections being accessible through the fixture would ...
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2 answers
52 views

Circuits for electric storage heating

I have been looking at some flats in UK (apartments) which have electric storage heating. One flat has very old storage units, with two power supplies: one for the night (economy) rate, and one for ...
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2 answers
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Do I need 5 separate disconnects for my 9k btu 5 zone mini split?

I’m installing a 5 zone 9k btu mini split and I’m not sure where to start with the wiring. Looked in the manual there’s a few different ways. I was hoping to use one box for my upstairs units (2) put ...
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How to replace this outlet when there’s a potentially broken ground wire

My wall outlet was sinking into the wall so I went to replace it. I expected the normal wiring: black (hot), white (neutral), green/bare (ground) but found that the outlet was wired differently. First ...
2 votes
1 answer
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Installing Starlink on Old Sky Pole

I'm getting Starlink in a few days and I've bought the pipe adapter for it. I've removed an old sky dish to reuse the mount for it, LoS from here is excellent according to the app. Firstly, should ...
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2 answers
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When will a 15A fuse on 20A circuit burn up? [closed]

I have an old Amana gas furnace rated at 15.1 Amps. It is connected to a 20A circuit. There is also an inline fuse rated at 30A. That seems to defeat the purpose, so I would like to change it to 15A. ...
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Will this motor work?

I was gifted an old Craftsman miter saw. Before I get brushes and restore it, I would like to know if the motor will even work. To me, it looks like there's melted crud between some of the commutator ...
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Wiring a chandelier gone wrong

I installed a new chandelier for a friend and I am used to basic wiring( ground/ white/ black) when wiring new light fixtures. This light was hooked to one switch and a dimmer across the room. When I ...
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1 answer
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Only 1.5v from a new doorbell transformer 16-30vac transformer

I installed a new Hampton Bay doorbell transformer and am only getting 1.5v at 60hz at the screws. What could be causing this, and how would I go about troubleshooting the issue?
3 votes
1 answer
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What is the reasoning for de-rating circuit breakers?

I understand (at least what I assume to be) the reasoning for de-rating wiring in circuits (heat build up and also headroom for variable loads), but what is the reasoning for also de-rating circuit ...
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2 votes
2 answers
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How to wire replacement bathroom fan and light switches?

I'm wanting to replace a bathroom's light and fan switch. Current wiring: Switch X controls the fan and switch Y controls the light. I want to replace them with a Leviton single pole switch and a ...
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1 answer
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new electrical outlet screws touching sides

I am replacing an electrical outlet in my house with a USB enabled one. The new outlet is a bit thicker than the old one, and the screws protrude a bit on either side. they seem to be touching metal ...
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1 answer
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how to wire ceiling fixture with only black white and ground wires into box with black red green and white wires?

Moving into a new building and wanting to wire a new ceiling fixture into the box built into the ceiling. The fixture has only black, white, and an uninsulated copper wire. It does have green screws ...
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2 answers
49 views

wire dispensers [closed]

I was at Menards and I came across this wire dispenser. Looks like it would save a lot of time and hassle. Was wondering if anyone else had some experience with them?
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1 answer
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how well do screwless wall plates work for outlets on tiled backsplashes [closed]

I found these at menards and thought they were interesting, I wouldn't have to cut the tile around the screws. was wondering if anyone has tried them and what their experience was with them ?
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2 answers
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Two Outlets Not Getting Electricity

In my garage I have four outlets, two on each side wall and the breaker panel on the inside wall. The ones furthest away from the panel both went dead a couple days ago with nothing that I could find ...
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0 answers
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my new mechanical timers need 4 wires ; how do I put a 4 wire into my so far only 3 wires into service box. 120 v. all along

My new mechanical timers need 4 wires (ground/white/red/black); How do I put a 4 wire into my so far only 3 wires only (white/black/ground) into service box ? So far only 3 wires used for all 120v ...
5 votes
4 answers
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How can I bring cable into a junction box with no knockouts?

I need to re-wire a receptacle and hope to do it without replacing the box or cutting open the wall. I have what looks like a 1995 Bakelite 20.5 cu.in. single gang box with no knockouts, nailed to the ...
1 vote
1 answer
55 views

Switching out a strange 3 way switch

I am trying to replace what appears to be a 3 way switch with a Sonoff switch. I say appears because no matter what I do with the switches I can not figure out what they control. I checked all outlets ...
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1 vote
3 answers
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Need Help with Replacement Light Fixture Grounding Choices

I am replacing my ceiling lights and needed a suggestion on how to ground my wire. The current ground wire from the old light is connected to the old bracket and because of the way its connected, I ...
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1 answer
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Is this bathroom wiring correct?

I am in the United States. The vanity switch has power at the switch. The light/fan has power at the light.
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How to check if a specific appliance is triggering a branch circuit breaker

I'm in the UK, and I have a problem where suddenly, every 2-3 days, something is triggering one of the 32A branch circuit breakers in my main service panel. I have a few dozen things connected to that ...
1 vote
1 answer
71 views

How to disable switched outlet

I did search for existing questions regarding this subject. However, I think this situation is a little different. Let me first explain that I know next to nothing about wiring when it becomes a ...
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1 vote
0 answers
170 views

Why does my shop vacuum run very high on one particular outlet? [closed]

I have an outlet, I can plug in a light, seems no problem however, if I plug in one of my shop vacs they start to run very high and give a burning smell and a spark or two. They do not react this way ...
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1 answer
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Mounting lug to junction box

I need to bond 10 ga stranded EGC to a metal junction box. I’d like to use something like this lug. The box will be screwed to a floor joist in the crawl space under my house. Does this lug need to be ...
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3 answers
54 views

Is there a maximum length for L14-30 generator cables?

My home has an L14-30 type generator hookup that is located in an attached garage. About 50 feet away I have a barn with an LPG quick connect. In the event of a power outage my plan is to hook up a ...
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1 vote
1 answer
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Wiring (neutral bonded to ground?) for a TF151 furnace transfer switch

I recently had a new furnace installed, and had the electrician add a Reliance TF151 transfer switch so I can power the furnace from an portable generator during a power outage (yes, inverter ...
4 votes
2 answers
1k views

Replacing a standard 120v outlet with new outlet with USB charging

I want to replace a standard 120v outlet. It has a copper ground, and on the left side a white wire to the top silver screw, and on the right side 2 black wires (one to each brass screw). My new ...
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1 vote
2 answers
45 views

Fan timer switch only works when adjacent light switch is off

I have a bathroom ceiling fan with a light. The fan is controlled by a mechanical dial timer switch and the light is controlled by an on-off switch in the same wall box. The mechanical dial has been ...
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0 answers
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All the ceiling light stopped working apart from 1

All of my lights in the ceiling have stopped working apart from 1, they are all on the same circuit breaker and thus has not tripped. When I check the wires there seems to be electricity everywhere. ...
4 votes
5 answers
3k views

Is light flickering only on camera bad?

I have installed lights in my house. The lights don't seem to flicker to the naked eye. However, when I look at the camera feed on my iPhone, the light is flickering at a very high speed. Is this bad ...
2 votes
3 answers
541 views

Can anyone identify this screw from a Dell computer? [closed]

It's from a Dell computer so not exactly home improvement but hopefully not too far off topic. I would guess it's metric, being tech, so I assumed it was an M1.4 given the shaft is about 1.4mm across. ...
1 vote
1 answer
57 views

Changed vanity light to a switch light but only works with ceiling light on

In my bathroom there was originally a ceiling light on a switch & a vanity light with a pull chain. I bought a vanity light to wire onto a switch & tried to wire it to work independently of ...
0 votes
2 answers
69 views

Can I plug dust collector into NEMA 6-50?

I've searched what feels like the whole internet for an answer to this seeming easy question, but cannot find a definitive answer: I'm looking to purchase a 220v dust collector (Shop Fox W1666) to run ...
1 vote
1 answer
38 views

wiring diagram for double gang box bathroom

enter image description hereI have an existing double gang box in my bathroom that contains a gfci/switch combo and a single pole switch. The switch on the gfci controls the exhaust fan and the ...
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0 answers
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Temperature hot receptacle

I noticed the area around our floor outlet was warm, so I further inspected the outlet and receptacle. The circular brass faceplate was quite warm. I unplugged our power strip and lamps, and waited 24 ...
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0 answers
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LED flickers when put into my outside fixtures but incandescent bulb have no problem

When I install LED bulbs into my outside fixtures they flicker but when I install incandescent bulbs there is no problems with the light. No flickering at all. Edit: There's no dimmer, but it has a ...
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0 votes
0 answers
33 views

Convert 120v to 240v and run inverter/charger?

Currently I have a generator that outputs 240v/30A via a L14-30R generator transfer cable. I hook this to my inverter/charger to charge the batteries in my off-grid cabin. The Inverter/Charger ...
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2 votes
1 answer
67 views

Wilo Star S 21 FX pump for outside wood burner using only a 2 wire power supply (hot and neutral)

I have a Wilo Star S 21 FX pump (water circulation) on an outside wood burner that needs to be installed. The wire that fed the original pump (an off brand) has a black and a white wire. The 2 wire ...
0 votes
1 answer
81 views

Power switch has changed directions for power

Hall bathroom wall Light switch has changed directions all of the sudden with no one doing anything to it to turn on the light, instead of flipping up the switch as usually now you have to flip it ...
9 votes
3 answers
1k views

How can I measure the actual amperage rating of my circuits so I can match it with correct fuses/breakers?

My house has a fuse panel instead of a circuit breaker panel, and as such it's way easier for the wrong ones to be installed. I don't trust that the previous tenant had the right ones in the right ...
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8 votes
3 answers
4k views

Living room breaker will not turn on after pressure wash

Front of the house pressure washed. Water got in the 2 outlets outside that caused the living room breaker to trip. We waited 24hrs for it to dry out. Nothing. Replaced with a new breaker and still no ...
1 vote
1 answer
108 views

How to wire this 220 wire

Bought this induction coocktop that says "220" but the wire is this one My question is How can I connect this if it does not have a second wire for the 220? Live in Mexico, we use 4 wire, ...
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3 votes
1 answer
63 views

add neutral wire to existing "bundle" for smart switch - need help understanding box

Attached is a markup picture to help identify wiring. This is in the USA. There are wires that come in from the bottom left of the box and from the top right of the box. I'm just a DIYer, and I'm ...

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