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.

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14 views

Makita cordless circular saw DSS611

My Makita cordless saw has stopped working. I have replaced the brushes and armature. With the brushes removed I have 19V at the holders. With the brushes inserted and in contact with the new armature ...
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34 views

TV won't stay on if plugged into a certain outlet

I have an LG TV. It somehow tripped itself and just keeps blinking red and green on the power light and when I get it to turn off it stays for a second and then goes back to blinking. I swapped it ...
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Troubleshooting a breaker box - several breakers stopped working

Most of the outlets in my workshop stopped working last week. My 220V outlet, a dedicated outlet for a compressor, and the garage door are still working. The shop has a dedicated circuit box, which is ...
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1answer
35 views

Doorbell Transformer

Trying to install a nest doorbell but need to change the transformer. I believe I found it here but it is attached to a switch next to the furnace. When I unhooked the wires the doorbell stopped ...
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1answer
17 views

GFCI on sump pump circuit?

I have a house with sump pumps on two sides. In the rainy season they run about 5% of the time. When one fails, as has happened a couple times, water runs gently across the floor to the other pump; no ...
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2answers
78 views

What is this braided wire?

The smooth one is coax. I'm asking about the braided ones. They're power, running from a metal junction box in my basement ceiling up to an outlet just above the pictured floor boards. It's an old ...
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1answer
254 views

How can I calculate if switching power strip on and off is safe

I am a total noob when it comes to electricity and find this questions hard to search answers for on the internet. I have the below setup: Dell screen 1.5a * 230v = 345w Dell screen 1.5a * 230v = ...
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1answer
47 views

wiring hrv in a confusing house

some beautiful pictures first time posting apologies if my placement is off Buying HRV. I am debating between two units, venmar evo5-700 which doesn’t support furnace interlock or lifebreath rnc205, ...
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3answers
96 views

No Electricity To One Room

One room of my home has no electricity. There are no GFCI outlets in the "chain" of things, and the breaker for this room is not flipped. I have tried to flip the breaker, then turn it back on and ...
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Why does my Amp/Projector signal cut out for a few seconds, is it a power issue?

I have a stereo / projector hooked up in my garage. There seems to be micro surges sporadically, I used to think, since it happened(much less frequently) in my old house that it was whenever the deep ...
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38 views

How to post mount flood light security lights

I am trying to add some light for security and visibility in our backyard that serves as a parking lot. The area where I'd like to install a light fixture is in the back corner of our yard opposite of ...
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1answer
52 views

Any code problem putting single phase 240 and three phase 240 in same outlet box

I am running both single phase 240 and three phase 240 in my shop. I discovered that each of the locking, industrial round plugs for these (L14-30R and L15-30R) can fit in one double gang box. Is ...
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Is it safe and feasible to use a transformer that is not in “good shape”? [migrated]

First of all, I want to notice that I also posted this same question to the electronics stackexchange site, since I'm not sure if it belongs to here or there. I want to make my own DIY spot welder, ...
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65 views

How to install electrical cables in order

My ceiling light cables was loosen. I tried to remove them, sharpen them for better electrical contact, but i forgot to reinstall them in order. Please help me. Why i can't upload image over this ...
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2answers
60 views

Replacing 2 old light switches - what kind of switches do I need?

I'm desperately looking for a bit of advice. I want to replace 2 old switches, and I don't know what kind of modern switches I have to use and how to properly wire them? Could you please help? There ...
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1answer
61 views

Weird breaker panel splice 200amp service to 125amp?

Located in the PNW. So something weird is going on with the panel on my house. I pulled the permit records and they had a permit for 200A service installed to the house but it appears to be spliced ...
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61 views

New bathroom mirror covers a junction box

I’m attempting to replace the vanity mirror in my daughter’s bathroom. The old mirror is wired for electric lighting, but the new mirror is just a mirror with no attached lighting fixture. My ...
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2answers
53 views

Do I need a transformer to use this lamp in the US?

I bought a lamp that was advertised as having 90V - 260V US power supply, and it has an LED screw-in type light bulb. I received the lamp and it has a type C plug adapted to type A for US power. ...
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4answers
208 views

Is water vapour on light switch a fire hazard?

If I spray a 70% alcohol mist onto a regular household light switch, is that a fire hazard? I assume not since the red and black wires would both need to be exposed and close together... But assuming ...
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2answers
94 views

What is this difference between these two 4 pole (3 phase) GFCI breakers?

I'm living in France and encountered this 4 pole (3 phase) GFCI in my apartment: My understanding is that this thing protects against a difference, between the neutral (return) and the hot (phase), ...
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50 views

How to reroute grounding system to a grounding rod?

I'm building a ham radio room and need to ground my coaxial cable and antenna. If you are not a radio ham, you might not understand but it does not matter. All the resouces I can find online tells me ...
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53 views

Why would a microwave trip house breaker?

Yes, the question is these guys. I actually bought a microwave oven for its transformer today, but it is a very nice samsung me86v model. The person I bought got it serviced and they replaced its ...
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2answers
39 views

3-wire electrical wire for recessed lighting

I want to install 4 LED recessed lights in my living room. No ceiling lighting currently exists though there is an existing wall switch that was decommissioned by the previous owners that I plan to ...
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1answer
51 views

Confused by Dimmer Wiring

I have a light on a dimmer that flickers so I was going to remove the dimmer and put a regular single pole switch. I've changed switches before so I'm familiar with changing switches when the power ...
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2answers
85 views

What is this type of garden appliance power socket?

I've inherited a garden shredder with a missing power cable. The missing cable plugs into this large 3-pin socket on the body of the shredder where the earth pin is female, and the other two are male....
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3answers
157 views

Are whole-house GFCIs legal in the US?

Over here in Europe, a common approach to GFCI (RCD) protection is to have one (three-phase) 30 mA GFCI breaker as the main breaker (or something similar such as one GFCI per (sub)panel or one shared ...
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3answers
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Can I safely plug a two prong plug into an extension cord with a ground socket?

I have a plug for a wireless router that ends in two prongs (no ground). Is it safe for me to plug this into an extension cord that has the ground prong, which would be left empty? I believe it is but ...
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2answers
128 views

Why is this 50's junction box so immobile?

This 50s Junction box does not budge. I want to replace both the box and the wire, but neither is moving. The wire won't move because it runs horizontally before the vertical. I'd like to remove the ...
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1answer
61 views

Wiring Light Fixture with 2 Sockets into Junction Box with 2 White, 2 Black, and 1 Red Wire

I am installing a light fixture in the kitchen. How do I wire it? The light fixture has: 2 light bulb sockets 2 black wires (one coming out of each socket) 2 white wires (one coming out of each ...
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0answers
60 views

How do I determine which ceiling fixure wires are which (two black, two bare)?

I'm trying to install a basic light fixture on a switch, but the ceiling wires are not color coded, probably because it's an old house. The ceiling box has two black wires and two bare wires. One of ...
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2answers
74 views

Cut cable tripped breaker and left circuit dead after reset

I'm installing recessed lighting around my living room. I pulled power for these lights from an outlet circuit in the same room (see bottom right of photo). Everything was going according to plan, ...
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2answers
96 views

Can you mix 12/2 and 10/2 wire on a 20 amp circuit?

I used to have a 10/2 220 line that went from my panel to my hot water heater. I have since taken the electric hot water heater out and replaced it with a oil fired unit. The installers unhooked the ...
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29 views

Conduit combining pipe and wire

I need to run a 1/2" black pipe for gas and about 4 electrical cables, on average 12/2 AWG through a 12" thick brick wall. Can I do it in a single tube of conduit and what should I use? Is just DWV ...
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2answers
32 views

Adding an outlet to a switch box

I want to add a hot outlet to a light switch box. The power comes into the light and then down to the switch. How should I be adding the outlet in this scenario? This is also old wiring so it is not 3 ...
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1answer
37 views

Do only certain WiFi dimmer switches with with older wiring

Hi I have a WiFi dimmer switch that I want to replace an existing dimmer switch. Based on the picture the existing wiring doesn’t have a neutral, only line and load. But the WiFi dimmer has line load ...
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1answer
22 views

electric fired gas fireplace

I have a gas fireplace that is fired by an electrical thermostat .It will tick and tick and not fire up.Have to lower thermostat and raise repeatedly to get it to light .Any ideas why this is ...
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1answer
70 views

Best way to make wiring to outbuilding legal

I'm fixing some wiring in an older house and I believe the wiring to the outbuilding is not legal. I would like to correct it if possible, but will bring in a professional if necessary. The current ...
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2answers
55 views

Moving main service breaker panel lower on wall exposes feeder wires non-sheathed

I am replacing my main breaker panel and want to add a cutoff breaker inline before the new panel. To do so I will need to lower the new panel about a foot. The problem is that the sheathing on the 14/...
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1answer
60 views

Can i use 8 gauge wire with 10 gauge ground with double 50 amp breaker

So i bought 8 gauge 3 wire for my stove but after installing i seen it was 10 gauge ground wire with the wite and black being 8 gauge. Will it make a difference?
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4answers
87 views

My circular old work electrical box is too small for the light fixture mounting bracket

I purchased some flush mount light fixtures to install in each of the bedrooms in my house. Originally I picked up some circular 4" old work electrical boxes (the ones with the "flags") but discovered ...
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1answer
40 views

Wiring guidance for a smart dimmer switch (Kasa HS220)

I'm working on replacing the dimmer switches in my house with smart dimmer switches and have run into a wiring issue. I've installed 2 Kasa HS 220 smart dimmer light switches so far, but when I went ...
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2answers
85 views

Does wire running up an exterior wall require conduit?

I plan on running wire from a nearby exterior GFCI AC Box to the soffits on my house for soffit lighting. Behind the GFCI box is the garage. I was thinking about running the romex along the bottom of ...
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1answer
32 views

Ok to use solid furnace wire to connect this 24v transformer to my nest?

I just want to make sure I wired this up correctly using the correct wire. It works! https://www.elkproducts.com/product-catalog/elk-trg1640-ac-transformer-16-5-vac-45-va-auto-resetting-grounding-...
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1answer
54 views

No power coming from c terminal on furnace

I am trying to set up a nest. My system was a simple heat only R/W wire set up. I attached the green wire to the c terminal on my furnace, but no power is being fed from it, or at least the Nest is ...
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2answers
59 views

Can I run a bathroom fan and a bathroom light off 14 amp twin and earth

Can I run a 14 watt bathroom extractor and the bathroom light both of 14 amp twin and earth
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2answers
70 views

New 4 prong dryer but have a 3 prong outlet

Can I wire the four wire cord to a three wire plug so it works for the three prong outlet?
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2answers
73 views

Steps to finding out what part of my fridge is tripping its GFCI outlet?

My Kenmore fridge kept tripping the circuit breaker in the GPCI once every 10 hours or so. I have had the fridge for almost 9 years now, and the problem started a month ago. What I tried so far is ...
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5answers
216 views

Can I piggyback off a hard-wired dishwasher circuit for a disposal?

I'm working on upgrading the kitchen and wanted to add a garbage disposal. Currently there is an outlet under the sink were the DW is hardwired to, can I add an outlet by splicing off the feed and ...
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2answers
46 views

Help with wiring a computer PWM fan to DC voltage

I've recently purchased a "fume extractor" from China which is basically a filter with a pc fan behind it. The Fan pre-installed isn't really doing much of anything and I would like to replace it with ...
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2answers
2k views

Can a broken prong stuck in an outlet increase electrical consumption?

I looked at my outlets today the top is fine but the bottom ones all have a prong broken off stuck inside. I always wondered is this why my electric bill is so high! Please can someone tell me if ...

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