Questions tagged [wire]

Questions about wires, usually seen in electrical applications. Questions with this tag are typically about sizing wires appropriately for the projected usage, but could also be about properties of or problems with a wire.

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2k views

What size wire to use from house to wood shop?

What type/size of wire should I use for running power from the 200Amp service panel at my house to a subpanel at my wood shop? The length of the run is 300 feet. I need 220V service at the shop and ...
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1answer
171 views

Can I use #16 duplex wire extension to a 2800 watt chop-off cutter?

Is it possible to use #16 wire as extension wire for 2800 watt cut-off machine?
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1answer
2k views

Leaving a hot wire in the wall or ceiling

I am redoing a ceiling fan with new wiring. I have the walls open at the switch box. There is an old knob & tube hot wire coming in and then it goes out to the ceiling fan. I have run new wiring ...
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1answer
9k views

Can 22 AWG Solid Copper carry 24 VAC?

I have this irrigation caddy unit, and it requires 24VAC. There's a location outside my house with one ethernet cable and another brown cable with four solid copper wires (black, red, yellow, green). ...
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43 views

Run 12/3 through insulated wall to surface mounted electric panel

Should/can I run the 12/3 wire inside the wall or just run a conduit up to the attic? The project: I want to install split receptacle 20 amp outlets in my garage. The subpanel in the garage is ...
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1answer
51 views

Separating 2 Light Switches (1 is a 3 way) Hardwired Together

I have 2 light switches (in one box) in my laundry room. The one switch is a 3 way which operates the light in my garage (just behind the laundry room). There is only 1 switch to the laundry room. I ...
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0answers
110 views

Is this cloth jacket surrounding my electrical asbestos?

Checked to see what was going on behind the electrical socket, and discovered this fibrous wire insulation. Also, I think who ever installed this 3 prong outlet in the first place did so illegally ...
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0answers
120 views

Name that mystery switch!

I've seen other similar questions (How to trace mystery switches), but I have some more details: This is in a master bedroom There is a 2 gang box right near the inside of the door - one switch (...
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0answers
86 views

How to bring solar panel wires inside house?

I have a pretty simple solar panel setup in the backyard which links to the charge controller to the batteries. I wanted to run wires inside the house so I can use it for smaller stuff like charging ...
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1answer
259 views

WiFi Thermostat - C Wire

I am trying to install an Ecobee 3 thermostat to replace the upstairs one I have now but the 3rd wire isn't connected to anything on either end. I added the basement thermostat just to complete the ...
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0answers
36 views

Attic wiring for a chandelier

To wire a chandelier I have attached it to already installed ceiling recessed lights. I bought a Appliance Power Cord and attached to one of the ceiling lights and the plug to a female plug attached ...
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396 views

Electric service wire size

I have to put in a new service wire I was Given service wire that was told was ok. they said it was 4/0 aluminum. I looked at the jacket and it said, 3 cdr awg 2 compact al. aluminaflex. I am putting ...
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0answers
13 views

How to add extra 24VAC wire (C wire) [duplicate]

I have recently bought a Honeywell rth9580 programmable WiFi thermostat. Unfortunately I have old electric heating/cooling system probably from 70's. The system is based on two relays (I guess ...
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2answers
28k views

Why “W” (heat contactor) and “E” Aux Heat connected in Thermostat

I'm trying to update my thermostat to one that has a scheduling feature. My plan is to just copy how it was hooked up in an old 129N Thermostat from Armstrong however, I can't figure out why the "W" ...
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1answer
86 views

Correct gauge of wire to power 2 ceiling lightnings

I was attempting a simple home improvement project that has slowly become a bigger job than I expected. So my aunt had a light bulb hanging from the ceiling in the corridor and wanted it replaced ...
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2answers
181 views

Are turnbuckles required for cable railing?

I'm installing wire rope for a fence. It would look something like this fence here: . I was thinking of using a hand winch to tighten the rope. So let's say the winch does its job, I crimp the ends, ...
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3answers
87 views

Soldering AC wires to this PCB [closed]

I'm working on a DIY Mirror Touch frame and am on the final stages connecting everything. I have the issue where I was unable to find a deep enough aluminum frame and therefor have the issue where ...
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3answers
965 views

Can I use 14 gauge wire on a 20 AMP electrical circuit? [duplicate]

Running 12-2 Romex cable from the electrical panel to a J-box located in attic. J-box will connect two GFCI outlets and extend a 14-2 cable to the ceiling light fixture box, where other 14-2 cable ...
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2answers
132 views

I need a 'female' 120V AC Plug / socket for a wall plate?

I cannot find what I am looking for anywhere, I don't even know what to search. Something that would be the child of these two, if they had one. I realize you can buy a kit that includes this piece, ...
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2answers
3k views

Installing a 4 wire timer on a 3 way/3 wire outlet

I want to control an outside light with an inside timer switch. This is on a 3 way switch arrangement. The new timer has 4 wires(B/W/R and Green) and the feed only has 3(B/W/R). The diagram shows the ...
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2answers
6k views

two dryers on the same circuit [duplicate]

I would like to have two dryers in my laundry room. Can I run both off of the same circuit? Can the outlets be run in series? What upgrades do I need to make for this to work. I have room for another ...
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1answer
2k views

(How) Can I use existing stapled electrical wire to fish new wire?

I nicked an electrical cable while doing a plumbing repair and so need to fix it. I previously asked about repairing the damage in place, but there are receptacles 6-10 feet away on either side of the ...
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3answers
132 views

Is this weird wiring in outlet safe?

I was replacing an outlet and saw this. It Looks like a wire got split in half and joined together to create a new outlet. Is it safe?
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2answers
68 views

How to find heater wire cut?

I have an old and damage sidewalk with a heater wire inside it. The wire is cut somewhere but I don't know how to find where. Is there any electrical tool or way to find where is it cut? This is ...
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2answers
4k views

How to repair after drilling through an electrical cable

Drilled directly into this wire. Didn't trip a breaker, no sparks, didn't get zapped, didn't lose power anywhere. I know when we had previous work done on the house, there was a 220 wire that was ...
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3answers
14k views

Wiresize required for air conditioner of 1.5 tonne is 2.5 sq mm will work?

My home has copper wire of 2.5 sq mm fitted with 15 Ampere plugs for running appliance. All wires are connected to main electricity meter with max distance (i think it is required) of 40 foots/feets. ...
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1answer
541 views

How can I protect a vending machine wire from being cut again? [closed]

A friend of mine operates a vending machine in a school. Oftentimes, there are issues when a snack gets stuck in the machine, the students will rock the machine. Rocking the machine is an issue, ...
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2answers
64k views

Is ceiling fan missing grounding wire from the ceiling box, and is this safe?

I recently had a contractor/handyman install a Hunter ceiling fan for me. It worked great, but my wife came home and thought it was too big. I ordered a different Hunter fan, and figured I could ...
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3answers
50k views

What gauge wire is typically used for the input to a home breaker box?

I have a moderately-sized home (~2400 sq. ft.) in the United States that was constructed in 1999. I am looking to build a home energy monitor to track my electricity usage versus time. Obviously, in ...
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1answer
106 views

How critical is it to use the correct wire colors within the same electrical outlet?

I am replacing "razor only" receptacles to GFCI. The outlet contains a LINE cable (black, white, bare copper). The previous receptacle of course did not use three prongs, so the ground was just ...
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1answer
38 views

Recessed Lighting Junction Box Cord

A little while ago I bought some of the below recessed lights for the basement. Had an issue where one wasn't working so I punched a hole into the ceiling and pulled the junction box down, re-nutted ...
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2answers
309 views

Fan and Light Switch Reversed

I have a switch in my master bedroom that my family replaced. The controls are switched. The fan turns on when you put the light switch on and the light turns on only when the fan switch is all the ...
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2answers
108 views

QT/tandem breaker wire gauge

Can I use a 14-3 Romex for two different electrical circuits on a 15A QT/tandem breaker? Or should I use one 14-2 for each? My mistake, apologize. Post edited: the QT breaker is a space saver. My ...
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1answer
30 views

Do I need special tools to run speaker wire vertically from about light switch heigh to the floor? No fireblocks.

I have some speakers I hope to run wires for from not much higher than switch height for my 7.1 system. I'm thinking I might be able to just drill a hole and use a coat hanger to get it started then ...
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4answers
120 views

What is the smallest and lightest wire I can use?

I currently use a regular 50 foot power cord rated for 15 amps. I use it only for two laptops and one camera, making a draw of about 5 amps at 120 volts, according to the "input" label on the power ...
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2answers
74 views

Can I use 18g cord for one light bulb?

I would Like to hang some pendant lights from my ceiling. I want to use this wire. I would only put one bulb (like this) on each length of cord and connect them all to the 12-2 at the ceiling. Is ...
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1answer
362 views

One outlet, two hots, one neutral, no power to the other outlets

Here it is my scenario: All 120V outlets. Several outlets and I don't know how they are wired between them. Everything was working, but I decided to replace one outlet that was too old. This outlet ...
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1answer
463 views

Is Insulated Ground Wire Required?

I am installing a new 240v receptacle in the garage to charge my electric vehicle. The charger requires a 20 amp breaker and will pull 16 amps. I plan to run 30' of 12/2 UF-B wire beneath the floor ...
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1answer
196 views

Oven 3 Wire in Subpanel

I keep looking for a situation like mine on this website and other websites, but I was unable to find one. A 3 wire oven (two insulated hots and 1 bare twisted wire) is connected in an old main ...
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1answer
46 views

Hit metal piece while drilling through condo concrete ceiling

I am trying to install wide rectangular light fixture. Something similar to this: https://www.amazon.ca/Feit-Rectangle-Ceiling-Lighting-Diffused/dp/B00Y86OROW I Hit a metal piece while drilling ...
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1answer
31 views

Smoke detectors (wired/wireless) - how much is enough

Our house is fairly new (2013 build year). We moved in 2016. On the second floor we have 3 wireless smoke detectors and 1 wired and on the first floor we have 1 wired smoke detector and 2 wireless. ...
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2answers
75 views

Power cable for DVD Player too short

I recently wall mounted my TV and put a shelf underneath for my dvd player. Unfortunately the power cable for the dvd player is too short. I've searched and searched for dvd players that have either a ...
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1answer
131 views

Wire nut tie together for a #4 braided aluminum wire?

I have an electrician running a 220 line out to my shed, using 4-4-6 braided aluminum run underground. The wire is about 3 feet too short (after running about 150 feet). He wants to just use 3 wire ...
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1answer
72 views

What are these called for tightening rope wire?

What are these called for tightening rope wire?
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1answer
107 views

GFCI outlet and breaker

I recently bought a house. In the dinning room, the previous owners added a gfci outlet connected to a gfci breaker. What might they have used this for? I can’t seem to find any relevant case. ...
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1answer
37 views

How do I wire this ceiling lamp?

I have this metal ceiling lamp but it have two earth wires, one for the holder on the ceiling and one for the cover of the bulb, and I don't know if I have to connect them to the house wires or just ...
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2answers
192 views

Install wire rope to several steel tubes?

We have 13 1.5" round steel tubes that go around a small area in our backyard Each tube has a small hole that crosses the tube. I'm including the basic design: I would like to use wire rope (or steel ...
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1answer
470 views

Should I install a grounding rod near my light post to protect against lightning?

We have a very old house, which has had an old run of electrical cable (2-wire) from the basement about 40ft to a lamp post that has been unused. The old cable has been disconnected, and the current ...
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1answer
393 views

How to terminate wires?

I'm trying to terminate some wires after removing a light fitting. Will it be fairly safe to terminate the wires using screw terminal blocks like these?
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3answers
1k views

How can I conceal interior camera wiring?

I'm trying to install 4 cameras, but from other people's place it look not that good that cable can be seen along the wall. is there anyway to hide it? its going to be from left wall to all the way to ...