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1answer
27 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.
0
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0answers
26 views

Ideas on how to hide sprinkler wires?

Just figured out how to wire sprinklers (yay!) but I've left myself with this pretty ugly situation. I was thinking of hiding the wire below the stone, but I'm not sure how to hold it. Can I drill ...
2
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2answers
203 views

What kind of wire is this?

It's black, with white in the middle, and copper around the white. Any ideas? I have a picture but not sure how to add it...
0
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2answers
44 views

Installing a light designed to be hard wired as a corded light- what happens to the ground?

I have a pendant light (single bulb) that used to be hard-wired in my previous house. I would like to install it in a closet as a plug in light (with an in-line switch). The fixture has a ground wire ...
1
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2answers
60 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 ...
0
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2answers
50 views

Do neutral wires need to connect?

I'm replacing a few light switches to new WeMo smart switches. The instructions show the neutral wire from the new switch connecting to the existing neutral wire. I have an outlet with 2 switches and ...
1
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2answers
39 views

What are the methods of attaching cable to OSB

I'm making a shelf from a sheet of OSB, I'm planning to rig it with 4 cables in the corners. From the answer to this question: How should I attach the cable of a cable-supported shelf? - I get it ...
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6answers
65 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 ...
0
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1answer
42 views

Electrical ,what voltage to use [closed]

I am confused about what voltage to use to calculate current for cable size of transformer. for example, single phase given load 140kva 120/240. if I=140/120v= 1166 A and if 140/240v=583A I know ...
0
votes
1answer
24 views

hallway lights not working [closed]

ok to start with I was going to change my hall way lights but first was going to install a dimmer at the top of the stairs, well long story short when I pulled out the old switch and yes I did not ...
3
votes
2answers
254 views

Are these wires dangerous?

I pulled on a cord for the light switch hanging from the ceiling in my bathroom and some plastic and metal casing fell off. This is the result. I know nothing about electronics - these look like ...
2
votes
1answer
4k 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 ...
0
votes
1answer
28 views

Can a connection be established from copper wire to stainless steel bus for power connection? [closed]

I have this question. A copper cable to be connected(either crimped/ soldered/ pressure/screw fitted) to stainless steel bus bar and the bus bar is to be connected to the power supply of 12 V DC. ...
3
votes
2answers
7k 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
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0answers
135 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 ...
0
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2answers
65 views

On a Marley baseboard electric heater 2500 does it matter what wire connects to what wire of a dial thermostat?

An electrician friend of mine told me to get a Marley 2500 heater, and I was wondering if there's any specific order to connect wires to outside of no crossing color paths outside of the heater ...
6
votes
5answers
2k views

Is this exposed wire dangerous?

I have this wire some of the inner part of which is exposed. My friend claims that this is highly dangerous, but I don't think that touching it would be lethal, and in the worst case scenario there ...
5
votes
7answers
30k 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 ...
0
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2answers
95 views

NEC Breaker Selection for Motor Loads

In the case of motor loads connected to a long branch circuit, why does NEC Table 430.52 limit selection of an over current protection device (OCPD) to a smaller size than the branch conductor will ...
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4answers
33k 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 ...
0
votes
1answer
76 views

Burnt sheathing behind outlet

I heard buzzing and popping noises behind this kitchen outlet so I opened it up and it looks like this: What might've caused this? And to repair this, do I have to cut up the drywall and replace ...
0
votes
3answers
87 views

Muting PC audio when doorbell rings

So the setup is as follows. I've got one of those wireless doorbells in which the button is powered by a 9V battery and is stickied to the door and the sound comes from a speaker plugged in a wall ...
6
votes
4answers
28k 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 ...
0
votes
2answers
56 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) ...
1
vote
1answer
77 views

1mm² wire load capacity

I have used a 1mm² wire to power my refrigerator and my ro water purifier? My electrician had set that up and he told me that he is using a 1.5mm² wire! so is 1mm² wire ok to power up my refrigerator ...
1
vote
2answers
122 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 ...
3
votes
2answers
355 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 ...
1
vote
0answers
52 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 ...
2
votes
2answers
2k 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: ...
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2answers
146 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 ...
0
votes
0answers
47 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 ...
1
vote
1answer
136 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?
2
votes
1answer
80 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 ...
1
vote
2answers
700 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" ...
1
vote
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 ...
5
votes
2answers
2k 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 ...
1
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2answers
8k 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 ...
0
votes
1answer
147 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 ...
0
votes
2answers
18k 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 ...
4
votes
1answer
902 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 ...
5
votes
2answers
3k 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 ...
0
votes
1answer
248 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 ...
1
vote
1answer
51 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 ...
2
votes
1answer
2k 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 ...
0
votes
2answers
41 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 ...
1
vote
1answer
1k 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 ...
1
vote
1answer
966 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 ...
0
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0answers
88 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 ...
0
votes
1answer
103 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 ...
4
votes
6answers
897 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 ...