Tagged Questions

The installation of wire and/or electrical devices, to allow the transmission of electricity from one point to another.

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5
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2answers
1k views

Does the neutral wire float or go to the neutral bus on a sub panel?

Does the neutral wire float or go to the neutral bus on a sub panel?
3
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2answers
4k views

How can I install a ceiling fan, recessed lights, and receptacles on the same circuit?

I believe the configuration in the image below is what I need in order to power a ceiling fan and recessed lights on two separate switches out of a two gang box using the existing cables. However, ...
1
vote
1answer
184 views

Can I install a subpanel using only two ungrounded (hot) conductors and a grounding conductor?

we removed the inside part of an air conditioner / heater from a mobile home. we plan to use this area as a small pantry. The wires that were connected to the heater is 2 black connected to 2 seperate ...
0
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0answers
66 views

What should the voltage be on an unused neutral line in a 3-phase supply?

I am currently setting up a machine in a trade show. The machine uses 480V 3-phase power with no neutral needed. The show electrician connected the power to the machine and just taped off the neutral ...
2
votes
1answer
1k views

What is the proper way to wire a light switch,fan switch and receptacle in one box?

I would like to see a wiring diagram on how to wire two switches and a receptacle in one box with a single line feed, three wires.
2
votes
2answers
359 views

Is it against NEC code to re-use pulled cable?

I'm re-wiring parts of my house and have pulled some 12/2 out. Is it against NEC code to re-use that cable? I didn't have to pull that hard to get the cable out and there doesn't appear to be any ...
1
vote
1answer
144 views

Joining 8 wires into one

I have the cables from 9 bulbs joined into one using a screw terminal temporarily. What is the best thing to use to do this in a way that's waterproof and suitable for outdoor use. Whatever i use ...
6
votes
1answer
218 views

Is it okay two breakers are controlling the same outlets and appliances?

To be specific, we recently had some electrical work done. The electrician added a second panel. He left without labeling anything. So today I've been testing outlets and switches trying to figure out ...
2
votes
2answers
665 views

What are the pros/cons of different wire connectors on a switch/outlet? OR How can push-in wire connections fail?

Prompted by an answer on Concerns about replacing a worn out light switch Also related: When to use holes instead of side terminals to wire an outlet To my knowledge, electrical components ...
1
vote
1answer
107 views

running low voltage wire from outside to inside

I have low voltage wire under my deck. I would like to drill a small hole (1/4 in or less) and feed the cable through the deck ledger board and the house's rim joist so that I can keep the ...
4
votes
3answers
604 views

Concerns about replacing a worn out light switch

Our home is about 3 years old. New construction. New parts. The main lights in the kitchen are a 4-way circuit (3 switches, + lights). Since we primarily come into the room from one side, one ...
0
votes
1answer
89 views

How do I make the connection for 2 lights with a power source between them?

I have 2 sensor activated lights with the power source in between the two lights. It is run with 14/3 romex wire from each light source to the power source. How do I make the connection?
5
votes
2answers
326 views

Can 18/2 CL2 barostat cable be used for speakers?

We're wiring our kitchen for a stereo speaker system. There was only enough 18 gauge speaker wire for one speaker, so the electricians used 18/2 barostat wire for the other. The speaker cable seems ...
5
votes
1answer
1k views

Can I run a 50 amp circuit underground?

I need to run a 50 amp circuit (120/240V) from a shed to a travel trailer that is permanently in place. The previous trailer had 30 amp 120V service running underground to a mounted/covered outlet ...
0
votes
0answers
255 views

How do I appropriately wire the transformer in a light fixture?

I'm replacing a dinning room light fixture, but it differs from the one that was there. Can anyone tell me how these wires should be attached? The black and white wires lead to the halogen lights, ...
4
votes
1answer
441 views

How can I add a switch to separately control a light and fan?

I have a single switch that turns on/off both a light and a fan. How do I add a switch so that each is controlled by its own switch?
5
votes
1answer
3k views

What type of wire should I run when updating a ceiling fan?

I started to change out my ceiling fan and noticed the support brace is actually laying on the drywall and not firmly attached to a beam. I also noticed the new fan has a blue wire where the wiring in ...
5
votes
1answer
424 views

How can I plug my 3 prong dryer into a 4 prong receptacle?

My dryer blew up and there is no chance of repair — it was pretty old anyway. I found a used dryer and brought it home. Unfortunately, the cord don't match the receptacle. I Need to know if ...
2
votes
1answer
100 views

Why would the breaker be tripping after removing a ceiling fan?

I removed a ceiling fan and capped off both wires but my circuit breaker trips. Is it possible that the fan was in a pathway with some thing else? If so, do I just connect those wires together? There ...
1
vote
1answer
3k views

How do I know if a ceiling fan with light and the switch are wired correctly?

There was a old ceiling fan with light and remote in a bedroom of my house that didn't work. It also had a switch with 2 knobs that pushed in and turned labeled motor control and 300 w perm instld ...
1
vote
0answers
172 views

Why does my new lamp hum while turned off?

I just changed the ceiling lamp I had in my kitchen, from an ancient one (probably more than 20+ years old) to new and beautiful hanging one. I also switched from the old incandescent bulb to a CFL. ...
3
votes
2answers
394 views

Why are the neutral wires not connected in this box?

I want to connect the wiring from my shed into a junction box on the ceiling in the basement. I opened the box to see what I was dealing with, I figured it should be simple, there is only 2 wires ...
5
votes
4answers
2k views

Why is it good practice to remove sheathing from NM wire when going through conduit?

I've been discussing specifics of an electrical job with a licensed electrician and he mentioned that in my area, it's acceptable/recommended to feed 12 gauge NM wire through an outdoor conduit but ...
5
votes
2answers
5k views

Why does my receptacle tester say open ground on my new outlet?

I replaced an outlet and the tester says open ground. I checked all the wires and they are secure including the ground wire. What could be wrong?
2
votes
1answer
158 views

Should I be concerned? Wires look burned

While replacing the ignitor on our ge profile gas range/ oven, we came across the wires that go to the top ignitor (for the broiler). I am concerned because they look burned/ melted. My husband is not ...
3
votes
1answer
2k views

When wiring a switch loop, which wire is which?

If you're wiring up a lighting circuit, where the power enters at the lighting outlet. According to the National Electrical Code, which wire should be "hot" and which should be "switched hot"? ...
2
votes
2answers
1k views

Wiring a double light switch

Hoping for some help I am fitting a new double light switch were one of the switches is a 2 way light. The back of the light switch looks like this C C L1 L2 L1 L2 Now the problem ...
2
votes
2answers
2k views

How can I run Ethernet cabling through concrete walls?

I'd like to run CAT6 cable between 3 rooms which are separated by concrete walls. What are my options? I'm looking for the least intrusive way.
2
votes
1answer
397 views

How can I control a bath fan with two lights through a single wire?

I have a bath fan with a main light and night light. It is currently supplied by one piece of 12-2 from a wall switch. Since this configuration makes the night light completely worthless, I'd like ...
1
vote
2answers
698 views

What is best practice for tying in grounds on a metal box?

Had electric inspected today and only thing inspector said was that my grounds were messy on a metal box (still code but messy). 3-gang box with three light switches running in different directions. ...
5
votes
3answers
9k views

How can I rewire my bathroom fan, light, and receptacle?

My bathroom has one switch that powers the fan and light. In that electrical box, there is also a hard wired electrical outlet that sits in the bathroom. Since I don't have room for a 2 gang box in ...
11
votes
3answers
1k views

What size extension cord should I use for multiple computers?

We're hosting a LAN party (several computers, 50+) and I had some questions about power draw; I hope this is the right place to ask. Currently, we're assuming each PC will draw an average of 3.5 ...
1
vote
2answers
1k views

Did I wire my light fixture correctly?

I'm replacing a light fixture in an old apartment where the ceiling wiring has two brown/red wires and one black wire. When I removed the old fixture it was wired with black to black, the white wire ...
4
votes
3answers
3k views

Can I use a cord and plug to power a wall sconce?

I have a wall sconce that my wife really likes and wants installed on a brick wall. The sconce she purchased is designed to sit on top of a wall box that has been prewired. I don't want to install ...
4
votes
4answers
2k views

How do I install a junction box with NM-clamps?

I bought a junction box in order to splice three Romex together along the 2x4's in the ceiling of my (unfinished) basement. The box looks like this: When I bought it, I assumed that I could just ...
2
votes
1answer
66 views

How to add dimmer to “one switch controls another switch” configuration

In my dining room, I currently have a switch configuration that functions as follows: Switch 1: when toggled, turns light on/off Switch 2: when toggled, turns Switch 1 on/off Can I have 2 dimmers ...
2
votes
1answer
2k views

Why isn't my 3-way dimmer setup working?

My dining room light is currently controlled by 2 different light switches. However it isn't wired how I am used to seeing them. In my old house, there were 2 switches that controlled the dining ...
4
votes
1answer
270 views

Why does turning my kitchen light off turn on my outside light?

when I turn my fluorescent kitchen light off, my outside p.i.r security light comes on, why? the problem started when my father moved the p.i.r up above the door
1
vote
3answers
507 views

Will the second light in this circuit light up?

When talking about neutral faults in this answer, I (incorrectly) said that a neutral fault could lead to a shock hazard. It was pointed out in the comments that I was dead wrong, and that the ...
2
votes
3answers
166 views

How can I tell where the other end of the conduit is?

We have a house with a lot of 2-prong outlets I'd like to replace. They're all fed by conduits. Multiple people (in real life and online) have told me that replacing them is easy: "Just fish the ...
8
votes
1answer
7k views

Can Romex (NM-B) be run through conduit?

A few days ago I asked an electrician if I could run Romex through conduit - he gave me a funny look and said "No, Romex is not allowed in conduit." When I searched online, there seems to be a wide ...
4
votes
3answers
1k views

Why did my circuit blow after replacing a switch?

I replaced an older switch yesterday on an existing line of recessed lights. There are five lights on the one switch. On the same breaker; but different switch, there are 7 more recessed lights (all ...
2
votes
2answers
5k views

How do I wire this ceiling fan?

I'm trying to wire a new ceiling fan. The outlet box wires are White, Red, and Black. The ceiling fan wires are Black, Blue, White, and Green. The installation manual states to connect both ...
3
votes
3answers
5k views

Why did I lose power to half the house when the breakers did not trip?

Using a voltage detector I determined that three breakers in the panel are not conducting voltage, yet they are fully on (not tripped). Thinking they were bad, I replaced a double throw 15 amp and a ...
4
votes
2answers
23k views

What do I do with the unused wire for ceiling fan installation?

I recently replaced my bedroom ceiling fan with a newer ceiling fan and with the old fan I could: Use one switch on the wall to turn on/off the light Use the other switch on the wall to turn on/off ...
1
vote
1answer
2k views

How do I wire my light fixture?

my fixture has a black and white wire. ceiling has 2 blacks(twisted together), 2 whites (twisted together) and 1 red. There are 2 fixtures in the room with 2 wall switches. Only one wall switch has a ...
2
votes
2answers
427 views

Will a GFCI device work on circuit where the neutral is switched?

How well will a GFCI circuit be able to detect current flows, if both the "hot" input and the (supposedly) "neutral" input to a GFCI outlet are energized? The reason I am interested in this is that I ...
0
votes
2answers
4k views

Where in the breaker box should I terminate the neutral wire from my dryer circuit?

I am looking for an answer to something I am lost about, hopefully I can fins some help. I recently moved into a new home. The previous owners had a gas dryer and no outlets for an electric dryer. I ...
1
vote
1answer
230 views

Could this corrosion be caused by faulty ground wiring?

What might cause slight corrosion atop a tankless water heater's copper topped element assembly? I checked all the grounding and reconnected the two element assembly grounding wires and ensured ...
3
votes
3answers
2k views

How do I secure electrical wiring to a pocket door frame?

I recently installed 2 pocket door kits together from one room to an adjacent in my house. The building inspector said he saw no problem with me installing a light switch in a shallow electrical box ...