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1answer
21 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 ...
1
vote
1answer
30 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 ...
5
votes
3answers
383 views

What gauge wire/cord do I need for these outdoor lamps?

I have two 700 watt outdoor halogen lamps, each connected to a splitter, then back to a power source. Given the distances illustrated below, what gauge cord should I use?
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0answers
20 views

Need to run a “C” wire to thermostat but control board has no “C” [duplicate]

I am looking to replace a thermostat with one that needs a C wire... which my current thermostat does not. I have some extra wires in the thermostat wiring that are unused... so I went down to the ...
0
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2answers
57 views

Is it possible to replace my phone wires t network wires in the walls?

In my house I have telephone access point in each room. Is it possible to replace them with network cables? I have tried every option I know to get WIFI signal in my top floor but always getting poor ...
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3answers
64 views

How do I install a ceiling fan remote?

I am trying to replace a busted hunter ceiling fan remote. The transmitor unit from the old remote had 5 wires - live and neutral, and then 1 that was labeled "fan out", 1 that was labeled "light ...
0
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2answers
223 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 ...
1
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1answer
151 views

Can I use a 20 amp breaker in the situation of having 15 amp wire connected to a 20 amp main wire?

Can I use a 20 amp breaker in the situation of having 15 amp wire connected to a 20 amp main wire? If I can't would using a 15 amp breaker be ok?
0
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1answer
69 views

Which wire is the C wire?

Model: Goodman AWB30-08C Electric AC/Heat I'm hoping someone can help me identify the 24V C wire. Fortunately the thermostat line has a spare wire already run, so I just need to find the C wire in ...
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2answers
101 views

Networking Phones Together in Building

I have a number siemens optipoint 500 economy phones. They have been used in an office environment in which the networking of the phones were managed by a third party. I would now like to use them in ...
2
votes
2answers
273 views

Options for lubricating wires for conduit?

I am trying to pull four #8 stranded wires through a flexible PVC conduit that is 25 feet long. I can get the wires just a few feet into the conduit before they bind. I know there is a commercially ...
2
votes
1answer
224 views

What is the best way to run underground electrical and low voltage in the same trench?

I'm putting in a couple of new electrical lines for my back yard. I have a trench dug from point A, to B, to C, etc.. I then had a bright idea. Why don't I put speaker wires and CAT6 under ground ...
2
votes
2answers
137 views

Can I use THHN/THWN-2 within a lamp post?

Foreword: I've been using UF wire for about 10 years now, and I've really grown to hate it. It's hard to work with, hard to strip, and hard to pull through conduit. I prefer all my underground wire to ...
1
vote
1answer
92 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 ...
1
vote
1answer
149 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 ...
0
votes
1answer
129 views

How do I wire a door bell?

Can anyone make an educated guess on how to wire so the door bell rings? The flat used to have door phone entry system, but it doesn't work anymore. So it is used as normal bell. In flat we had a ...
1
vote
0answers
224 views

What are these wires I found in my yard?

I was digging the holes for some crepe myrtle saplings and I sliced into a wire with one unlucky shovel stroke. They do not seem to be carrying any voltage, but I haven't hooked my multi-meter up to ...
4
votes
2answers
439 views

What type of wire should I use to feed a 70 ampere subpanel?

Finishing a basement and I need to add a subpanel. Main panel is outside. Subpanel will be in the basement. 70 Amp breaker in the main to feed the subpanel. I was thinking THHN but would this mean ...
0
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0answers
32 views

honeywell l8124a114 adding c wire thermostat

Only have two wires. Red and white. Relay at boiler has two existing wires hooked to indicators T and T. Which connection would I use in this system to add the c or constant. Following are locations ...
1
vote
2answers
413 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 ...
0
votes
1answer
562 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 ...
5
votes
1answer
120 views

Hangman's Noose vs Uni Knot

Is there any practical difference between the Hangman's Noose and the Uni Knot (a.k.a. Duncan loop)? The difference I see between the two is that the coils are wound inside the loop in the uni knot ...
2
votes
2answers
742 views

How do I design the circuit for baseboard heaters?

I am designing the circuit(s) for my basement apartment (cca. 800 sq ft) baseboard heating solution. I am planning to buy Berko HBB Series heaters and distribute them as shown in the below table. ...
3
votes
1answer
621 views

New light switch has blue, black, and white wires. Wall has black, white, and ground. Can I make it work?

I bought a new light switch that is supposed to allow me to automate my lights easier. Here is what it looks like: It has blue, black, and white wires. Coming out of my wall, however, I only have a ...
2
votes
1answer
2k views

Why doesn't my motion sensor light work?

I want to install a simple motion sensor (Lutron Maestro MS-OPS2) on a single pole switch in my garage. When I installed it the light would not turn off. The instructions (PDF) that come with the ...
0
votes
1answer
344 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). ...
2
votes
1answer
1k views

Is it possible to do two 3way switched circuits that share a common power source but the power source and the light wire are in the same box?

I'm trying to connect two separate circuits from a single power source using 3way switches. My trouble seems that my wire from my light and my power source are in the same box. Is there a way to do ...
5
votes
2answers
742 views

Are the wires for my generator transfer switch undersized?

I purchased a Reliance Q510-C transfer switch to use with a 50 amp generator at my house. The transfer switch is rated at 50 amps. I have wired it into my main electrical box. I also wired a 50-amp ...
4
votes
3answers
658 views

How should I label and organize my home electrical circuits?

I am looking to make the wiring updates in my home extremely simple to understand while doing so in a code-approved manner. I cannot find anything against wrapping a thin band of colored electrical ...
1
vote
1answer
422 views

NEC Definition of “Maintained Spacing” for Wire in Free Air

This seems like a simple question, but I cannot seem to find the answer in the 2008 NEC. There are references to "maintaining spacing" in many sections of the code such as the following: ...
1
vote
1answer
677 views

Multiple Loose-Hanging Wires in Finished Wall

I am re-doing the wiring in my home and I have encountered a situation where I need to run 4 sets of 12-2 NM-B (Romex) wire from my attic down to the same fixture. Per 334.30, I am allowed to leave ...
3
votes
1answer
132 views

Can I install wiring in the space used by a sealed air duct and PVC water supply lines?

I have a space between walls that is about 14" deep and 8 foot wide, and goes from the floor to the ceiling. This space is on the second floor. Petty much in the center of the house. The space ...
0
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0answers
644 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 ...
2
votes
2answers
383 views

How close can speaker wire be to a recessed light before heat is a concern?

I'm currently building a home and have plans to install in-ceiling speakers in my family room when the house is finished. The package that the builder offers is obnoxiously expensive and I can't do it ...
5
votes
3answers
2k views

Is it safe to install a three pronged wire into a four pronged dryer?

I just moved into an old home that has a three pronged wall jack as shown below: I have a newer dryer that has a four pronged wire. Please see the back of the dryer, I've removed the four pronged ...
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2answers
3k views

How can I remove the wires from this lamp holder?

The wire on my lamp is too short, so I'm trying to replace it. The fitting/fixture (what's the correct term?) however doesn't play nice: I can't see the correct way to remove the old wire (and still ...
117
votes
2answers
10k views

What is the purpose of these holes on my wire stripper?

I have been using this wire stripper for a while, but I have always wondered what was the purpose of those holes in the center and above LOOP, and those teeth on the handles.
4
votes
4answers
1k views

How can I fix chewed through wires?

I have two standard two prong wall plugs my puppy has chewed through completely, and he managed to sink his teeth into a laptop cord as well. I'm thinking the wall plugs are history (a lamp and a ...
5
votes
6answers
12k views

How should I wire for a security system during construction?

I would like to run wires in anticipation of a future hard-wired security system. However, I have yet to find any information that pulls everything together regarding what is required. From what I ...
2
votes
3answers
328 views

Inferring wire gauge from cable size

Is there any way to infer the gauge of the wires inside an NM cable from the size and shape of the cable? I reckon a round cable is generally -/3 W/G and a flatter cable -/2 W/G, but I do not know how ...
3
votes
3answers
6k views

is it possible to do a 3 way switch if power source is in the second switch?

In my research on how to install a 3 way switch, i've seen different ways on how to install the wires but i haven't found the schema that would help me in my situation. Here's a screenshot of my ...
5
votes
5answers
4k views

What's the suggested standard gauge wire for a given current?

I'd like to see a reference to an US or EU standard that lists in a table the suggested wire gauges for AC/DC and volts / amps.
4
votes
2answers
858 views

How do I connect a stranded wire to a bus bar?

A typical bus bar has this design: and connecting a solid wire to it is more or less easy. But how do I connect a stranded wire? I expect the following to happen: when I drive the screw in, the ...
5
votes
1answer
1k views

Can i run my cables from the outside box to the inside breaker box through 2x4 studs?

I am turning our carport into a living room and we have a 100amp breaker box outside that feeds power into the breaker box on the inside of our house. the conduit is going to be in the way of the wall ...
4
votes
2answers
1k views

How can I route an unknown amount of wires through an outside wall?

I'd love to figure out the best way to make a reusable junction through an outside wall for routing cables through it. (Specifically, ham-radio coax cables). It would be fairly simple if I was going ...
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3answers
10k views

Do I really have to fasten interior-wall electrical wire to a stud to keep it from moving?

I am fresh out of cable staples and would rather not go all the way to Lowe's just to get a box. What are the implications of not fastening loose electrical wires to a stud? It's not like there's ...
8
votes
1answer
3k views

Can I extend an electrical ground wire with a copper wire crimp?

I am working with an electrical socket and I need extra length on the ground wire. It doesn't seem unreasonable that I can attach an extra three inches to the existing one and attach it with a copper ...