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0answers
30 views

C Wire is there, now where do I connect it?

So I'm purchasing a home but the thermostat is pretty old. I'd like to replace it with a Nest or something nicer. I've searched and searched but can't find where I would connect the C-Wire (it's ...
2
votes
1answer
55 views

How do I separate these wires?

My ceiling fan stopped working and I want to remove the light box from the fan so that I can replace an in-line fuse holder. In order to separate the light box from the fan rotation device, I need to ...
0
votes
1answer
11 views

Dural lamp ballast for one lamp?

After replaced my lamp ballast, I smelled the smoke but the ballast and lamp should be correct after consulted Home Depo specialist. My new ballast could support 1 or 2 lamps, but I only use one lamp ...
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0answers
11 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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votes
2answers
133 views

How can I secure NM cable to a metal stud?

I use NM staples to secure NM cable to wood studs but I am unfamiliar with the options to secure NM cable directly to metal studs despite trying a number of different search terms. Would it be okay to ...
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1answer
38 views

Old Wiring to New Light Fixture With Switch

I bought a new light fixture to replace an old outdated light-bar the bathroom of my apartment. The building was constructed in 1926 so everything is super old. When I took the old fixture down, I ...
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votes
2answers
89 views

How should I apply ambient air temperature ampacity correction factors when exact temperature is unknown?

Is there a good method or rule of thumb for determining ambient air temperature for wire runs through non-climate controlled areas in residential applications (e.g. attics -- I've read literature from ...
4
votes
1answer
152 views

Do I need to derate wire ampacity for two or more sets of wires in the same raceway for subpanel wiring?

I was planning to pull three sets of four conductors (3 AWG wire) through 2" EMT conduit for a 30' length that is common to all three sets of wires, and then branch off at a listed metal junction box ...
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2answers
487 views

Do metal junction boxes used solely as pull boxes need to be grounded?

I am planning to pull three sets of four conductors (3 AWG wire) through 2" EMT conduit for a 30' length that is common to all three sets of wires, and then branch off at a listed metal junction box ...
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2answers
44 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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0answers
49 views

electric box has blue,black, and white wires?

Trying to install a ceiling fan. The house electric box has a blue wire, black wire, and white wire. Using a volt meter i have determined the blue wire has 80v, the black has 9v. what the heck is ...
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1answer
98 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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1answer
18 views

Where should I connect the C wire in my furnace, trying to upgrade my thremostat?

I am upgrading my thermostat to a Honeywell Wifi one, and would like to add a common wire. My current furnace controller has 3 blue wires at the 24 v end of the transformer. Which of these (blue) ...
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vote
1answer
33 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
34 views

Type of wire to be used for alarm system [closed]

I am putting new metal siding on a building that needs to be extremely secure. I am planning on running wire up and down the building before the siding goes up. This is so if someone tries to cut ...
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0answers
75 views

How to prove there is presence of electricity leakage?

Recently just moved to a new place that is above higher ground. I found that my joint crack more often and tingling feeling like there is energy running all over my body. It feels like there are ...
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1answer
91 views

Electric line to subpanel

I'm running 2 100 amp 110 lines 35 yards from my well house main to a sub panel in my garage. Do I need to run a ground wire and a neutral wire or can I just run one of them from the sub panel to a ...
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6answers
534 views

What can I use to lubricate CAT6 cables while installing them?

I am about to run some network wires inside the wall at home. I had already done so but apparently too much pressure on them while pulling caused one of the pairs to go bad and therefore prevent ...
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2answers
73 views

How should I hook up this phone jack?

By accident I pulled the little outlet out of the wall and the wires came out. I remember the electric guy once did it, and put only these 2 wires in, but somehow i'm not getting any phone signal... ...
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1answer
210 views

What size breaker and wire do I need to feed a panel for a tankless water heater?

I purchased a electric tankless water heater and I would like to know the following? The unit requires 3 separate 40 amp breakers, one for each line. I have 200 amp service. The subpanel will be ...
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2answers
573 views

What is this lamp base wire clip and how do I remove the wire without breaking the clip?

I'm trying to replace the socket in an old desk lamp, and I need to pull the wire through. However, the wire is secured tightly by a black plastic clip at the base. I'm wondering what this clip is ...
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2answers
417 views

What type and size conductors and conduit should I use to feed a detached workshop?

I'm planning to install a 100 amp sub panel in a new detached workshop in my backyard. I will run power from my home main 200 amp service panel which I have a dedicated 120/240v double pole 100 amp ...
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1answer
318 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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2answers
305 views

Can you add a cable connector in knockouts in a breaker box after the wires are already in place?

A sub-panel has a cable of three 12 gauge wires for HVAC coming into the box through a big knock out hole. The HVAC people did not put a connector on the cable. Is there a connector designed to be ...
4
votes
1answer
334 views

Can I use romex in my unfinished, detached garage or should I use MC?

I bought my house with an unfinished detached garage. I will never finish the walls. The previous owner has junction boxes with romex coming out of them and going to the fixtures. I've only seen MC ...
1
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1answer
116 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
160 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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1answer
77 views

Previous tenant did some shoddy DIY, should we be concerned?

Not a typical DIY question, but I was hoping some people here could help us out. The previous tenant did some construction work that seems sketchy at best. (Pics below) http://imgur.com/a/8tIRg He ...
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votes
2answers
677 views

Where's the C terminal on my boiler control?

The new thermostat I purchased doesn't run on batteries, and needs 24 volt power. I have only a red and a white wire connected between the boiler and the thermostat, but there is also a third, unused ...
1
vote
1answer
41 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
55 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
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3answers
3k 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
22 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
68 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
603 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 ...
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2answers
8k 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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1answer
2k 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?
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1answer
94 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
117 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
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2answers
2k 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
723 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
347 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
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1answer
134 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
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1answer
332 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
264 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 ...
2
votes
1answer
793 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
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2answers
5k 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 ...
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2answers
4k 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
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1answer
2k 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
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1answer
186 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 ...