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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7k views

Why is the neutral conductor sometimes undersized in AC applications?

Why are electricians allowed to sometimes lower the size of the grounded (neutral) conductor? If alternating current is bidirectional then wouldn't the neutral technically be an ungrounded (hot) ...
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2answers
350 views

Help with Wire Nut sizes [closed]

I need two sizes of wire nuts but I can't find anything that specify the work/wire load that I need. Plus I wanna swap out my backstab/push in connectors with Wire nuts cause people saying it's not ...
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1answer
998 views

Installing new ceiling fan. Don't think there is a white (neutral) wire

I purchased a new ceiling fan with a remote and installed it. I had three wires coming out of the plastic box in the ceiling. Black, bare and red or white. The reason I am not sure if the wire is red ...
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2answers
469 views

Should the ground lug be bonded in my sub-panel?

I have 200 amp service at the house. I want to install a DP 60 amp breaker in that panel and run # 6 wire approximately 150 feet (10% added for swag) overhead to a dog rescue building. The building ...
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4answers
20k views

How can I know if I damaged any electrical wire while drilling a hole in my wall?

I have a relatively new house (built 2014) with circuit breakers etc. I just drilled a couple of holes at around the same level as the electrical outlets and I put 1 5/8 inch screws in them. I ...
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2answers
75 views

Wire with mysterious power

I am currently swapping out my switches with smart switches and one of the switches had different wire setup from the usual. Prior to taking out the switch I took picture of the "primary switch" I ...
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1answer
84 views

Wire Gauge of Stranded Wire

Is the wire gauge the same for solid and stranded wire? I need to check the wire gauge of some stranded wire. Can I use standard wire strippers to check the gauge of stranded wire?
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2answers
4k views

Why neutral wire connected to load wire?

I opened switch box in the basement that has two switches: one for basement and other 3way switch for stairs. I wonder why white wire thet usually neutral connected to black wire that goes to another ...
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1answer
5k views

Can you connect a 14 gauge electrical wire with a 12 gauge?

In the attached image, the 14 gauge wire coming from the left and into the junction box, is from a gas stove the floor above. The 12 gauge wire coming from the right is connected to the panel and is ...
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2answers
2k views

Is copper clad aluminum wiring safe to use?

During remodeling I have found some copper clad aluminum wire. If I recall correctly is all 12 gauge used for outlets. It is clearly labelled as CU clad aluminum on the jacket of the insulation. I ...
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1answer
463 views

How to reattach the “head” of a ground wire?

I just bought a new turntable and receiver When I began using it, I noticed there was a loud buzzing sound coming from it. Looking at the turntable's cables, there are the two Left and Right RCA ...
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2answers
1k views

How to wire switch with 8 gauge wire?

I want to connect 8 gauge wires to a 30 amp safety switch (http://smile.amazon.com/Leviton-3032-2W-Toggle-Double-Pole-Grounding/dp/B002MPPTBQ), but the wire is too thick to wrap around the screws on ...
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1answer
72 views

Ceiling box has 2 black wires and 1 white wire

I just moved into a newly built condo, and there wasn't a light fixture installed before. This is what it looks like right now: There are two wires, black and white, marette'd(?) together, and there ...
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3answers
408 views

How can I extend an electric wire without a large cross-section connector?

I want to extend a couple of electric wires coming out of a ceiling to get to a hole at the top of a lighting fixture. Let's assume for the sake of discussion the lighting fixture is fixed and will ...
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1answer
97 views

What speaker wire should I use to extend the length?

I bought the Sony HT-IV300 home theatre system 3 years back. Specifications ( Impedance levels are mentioned) For the front speakers, just used the default surrounding speaker wires ( impedance of ...
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2answers
166 views

Narrow conduit (old building), need to run 2xhots, 1xneutral

Currently I have two wires running through the conduit: one hot (coming from box), and one hot switched (on/off according to light switch). I would like to convert it to an outlet switch combo (one ...
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2answers
80 views

Are Ideal Greenie 30-192P Ground Wire Nuts approved for use with stranded wire?

I looked at page 4 of the UL document here: http://www.idealindustries.ca/media/pdfs/products/ideal_ul_listed_combinations.pdf And I notice that it says you can use up to 4 #12 wires. However, it ...
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1answer
93 views

How would I go about grounding this light switch?

I am trying to replace a light switch (so it's white and matchs the room, it still works) but the switch in this room is not grounded (there is no ground screw, it's an older switch). There are two ...
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2answers
1k views

Adding led strip in living room. Is 14-2 gauge wire sufficient to draw current?

I am planning to put led strip behind our false ceiling. It requires 50ft of LED strip. So planning to use 3 5M led strips of these (https://www.amazon.com/SUPERNIGHT-5-Meter-Waterproof-Flexible-...
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1answer
2k views

Could I use this Speaker Wire for my thermostat?

I had this wire left over and thought I might as well use it if I can. I think it will work but I just wanted to make sure! So can I use this speaker wire for the Rc and C terminals on my thermostat? ...
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1answer
2k views

construction heater wire requiarements

i want to install a 4800 watt construction heater in my garage that is already wired with a 60 amp subpanel. It has lots of room for extra breakers in the sub panel so i plan to install a 30 amp ...
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6answers
438 views

Cutting wire/cable in close quarters

I need to cut some steel wire/cable (the type that's a bunch of little wires twisted together--not sure the technical term for it). The wire is maybe a bit more than 1/16in in diameter. The access ...
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1answer
9k views

Is it possible to splice this garage door safety sensor wire with some other wire?

I currently have these sensors: http://www.amazon.com/Chamberlain-Liftmaster-41A4373A-Safety-Sensors/dp/B00283Q9AW An accident occurred a few days ago and the cable to the receiver was snapped apart....
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2answers
74 views

Can you run an individual wire to link smoke detector together?

In my home, I have a hard-wired smoke detector / fire alarm (https://www.lowes.com/pd/First-Alert-Wireless-Interconnect-AC-Hardwired-120-Volt-Photoelectric-Sensor-Smoke-Detector/1000456469) that is ...
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1answer
108 views

Can I lay an attic floor over electrical wires?

I've been told that the electrical wires in the roof can heat up and potentially start fires if you cover them up. How can I get around this to lay the floor for an attic? The type of floor is just ...
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2answers
32 views

Different amp draw from breaker box

When I test for amperage on the hot wire at breaker, with 4 tower fans going, 3 lights, Christmas lights, a computer, a TV, an Xbox, a router and an air purifier it shows 0.45 on the universal AC ...
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2answers
65 views

How to compute breaker size for electric Stove + Oven?

I currently have electric appliance, and I want to replace them with newer units. These are the ratings of newer units I am considering: Induction Stove VICU53616BST - Maximum Amp Usage 240V - 48....
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2answers
83 views

Is there an age limit on wire in NEC?

I have unused 12-3 wire dated 1992. It seems fine. Is there a code limitation that says it can’t be used? I couldn’t find one.
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2answers
76 views

Broken wire inside Rangehood, advice needed

My range hood was damaged, which caused it to flare up and spark. I immediately powered off the main to the house (as in the pictures). I can see that the connection has been damaged. I have no idea ...
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2answers
5k views

How can I reliable crimp aluminum ferrules without a specialized tool?

Is there another way to crimp aluminum sleeves without having to buy a $40+ crimping tool that I will only use for this one project? Or at least is there a crimping tool that has another use? I don'...
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3answers
1k views

Staple Through Electrical Wire

I was installing a new bath fan and had it all done. I was cleaning up the wires in the attic and accidentally put a staple through the wire as I was securing it to the lumber. I put some electrical ...
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1answer
64 views

Making sense of wire colors and connections

I am having trouble identifying which wires are in my box despite all the colors being quite clear. The voltage drop between: White-Ground= 123.5 Red-Ground= .3 Black-Ground= .3 Black-Red= 0 Black-...
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1answer
119 views

3 Switch Wall plate to 1 Wall Plate Ceiling Fan

This is for U.S. based electrical in a house built in 2001. Current State I have a ceiling fan with a light that I am going to replace. With this new fan I want to change the 3 switch configuration ...
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2answers
3k views

Octagonal Electrical Box Wire Capacity

The wiring for a bathroom light and a receptacle are in a 3.5 x 1-1/2 in. octagon electrical box. Is this the correct size for this number of wires? There are 3 blacks, 3 whites, 1 red, and 3 grounds. ...
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1answer
958 views

In Wire Gauges Is ga shorthand for awg?

Is GA shorthand for AWG (American Wire Gauge)? Someone seemed to use the terms interchangeably in this question and then never let me know if they were interchangeable terms.
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2answers
4k views

How Do I Connect 00 AWG Wire to a 100A breaker?

I'm hooking a 100A service panel to my meter pan. There is the 100A disconnect panel on the right side that feeds the little house, I'm installing another panel on the left side to service my barn, an ...
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1answer
1k views

grounding wire from ceiling with no place to attach to the fixture?

I was took down my parents 45 year old kitchen light fixture to tighten a screw and when i went to put it back up i noticed that there was a grounding wire coming down from the ceiling but no place to ...
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2answers
7k views

Can I use flux core wire in a MIG welder that was designed to use argon gas?

My friend gave me a MIG welder that has normal wire with the Gas attachment. I was trying to get argon gas cylinder but had more trouble then expected. Now I'm thinking of just buying flux core wire ...
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1answer
260 views

Should I replace the neutral wire that I accidentally cut in a Romex cable when installing a new outlet?

So I'm installing a new outlet in my home. There's an existing Romex cable that goes up the wall into my attic above the new outlet. When I was stripping the wire to go in the box, I accidentally ...
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1answer
3k views

Should I run cable through an always damp crawl space or a dry soffit in the living area?

You guys are one of the best electrical help web-communities, so thanks for your time and efforts! I am advising some homeowners who need to rewire their first floor on Long Beach Island, NJ after ...
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2answers
59 views

RCD wiring with heating cable

Hi, I want to use the heating tape (constant wattage) and I was told that I should use RCD for the safety. I am new to RCD so I wanted to double-check if this is a correct way to wire the RCD with ...
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1answer
344 views

Electric range stove burned black hot wire

Ok. So my range has burned off one of the 2 black wires on the terminal block, which I'm assuming was due to a loose connection. My whirlpool range goes to a 50A breaker. There is 2 red /1 white/ 2 ...
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1answer
1k views

Replace wire terminal connector to heating element

I have GE Range JB640SR3SS and one of the element wire connector got burnt out: https://www.searspartsdirect.com/model-number/jb640sr3ss/0432/0124111.html I cut it and here are the photos front and ...
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3answers
917 views

Can 14/3 wire, with all three conductors hot, be the only cable in a switch box?

I currently have a bathroom light and a single pole switch at the door. The power for the light first comes into the ceiling box directly above the light. The hot is tapped in right there by using the ...
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1answer
290 views

Is a horizontal hang track necessary for wire shelving installation?

Can I install 2/4 shelves on three of four vertical standards without using a horizontal hanger? Verticals will be going into studs.
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1answer
2k views

125amp feed from garage to house, required wire size, PLUS a separate 3-way light switch

I recently built a detached garage with its own 200amp service. I made provisions to run a 125amp feeder from the garage to an addition we are now building on the house. My questions are: What size ...
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3answers
165 views

Automatic A-B 240 V switch

My house is 150' long. The breaker box is at one end and the AC units are at the other end. I have a well pump at the same end of the house as the AC units are. I do not want to buy 8 ga uf-b ...
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1answer
326 views

Technique or tool to properly expose LED strip wires?

So I have cuttable, weatherproof led strips with the flexible silicone coating domed over the strip. I just have cut a correct length piece of a strip. Now both ends has four copper connectors. I ...
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1answer
938 views

Warehouse Lighting Wire Size Calculation

Warehouse Lighting Wiring Size Question Total distance from panel to end of the longest line is 310 feet. Each fixture is 42 watts, and there will be up to 30 fixtures on each circuit. The first ...
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1answer
1k views

Can Closetmaid wall clips be reinstalled after painting? [closed]

I have Closetmaid wire shelving in my laundry room. I want to remove these so I can paint the walls. Can I re-use the clips to re-install the shelves once I finish painting? Thanks for any help!