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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2
votes
1answer
642 views

How do I appropriately/safely connect multiple power tools to a 20-amp outlet?

I've got a collection of power tools in my garage, most of which are connected to a 15-amp circuit, that is also shared with all the exterior power outlets. So, if I'm using the mitre saw, tablesaw, ...
5
votes
1answer
2k views

Why are some submersible well pumps wired with solid and others stranded?

I was helping a friend change his deep water well pump which is rated at 220 volts AC,3/4 H.P. Most of these I have seen are wired with three yellow wires that run from the pump to the pump switch on ...
3
votes
4answers
3k views

Do you know any switches which turns on/off based on day light?

I am looking for having some sensor based switches which will turn on/off the lights based on the light conditions during the day (i.e. turn on when there is less light and turn off when there is more ...
4
votes
3answers
11k views

How do I replace a GFCI receptacle in my bathroom?

we're remodeling our bathroom and were simply looking to switch out 20 year old light almond outlets and light switches for white. While I thought this would be easy I've run into a problem with the ...
9
votes
5answers
5k views

Why would there be a 50 amp plug on a 30 amp appliance?

I have an old conveyor dryer, which my office purchased used some time ago, just sitting in storage. The dryer is for silk screen t-shirts and has a large heating element and a variable speed conveyor ...
2
votes
1answer
883 views

Which color wire do I connect the switch to on a power cord?

I am trying to add an on/off switch to a power cord. i opened up the cord and there is a black and white wires in there. I know that the switch will work on either one, but is there a better wire to ...
6
votes
3answers
2k views

What should I do about a receptacle with 2 circuits going through it where white wires are hot?

I have a receptacle that has 3 white wires and 1 black. The black wire is hot and 2 of the white wires are hot but on a separate circuit than the black one (2 bedroom's outlets on separate circuits ...
3
votes
3answers
7k views

How can I attach modern fixture to knob & tube wiring?

I have a modern external light fixture that needs to be attached to an existing exterior electrical 'box'. The older parts of the house have knob & tube wiring and there is evidence of gas ...
3
votes
1answer
394 views

What is the labeling scheme on these outlets?

This is in a hotel, where there are obviously many, many circuits to manage. Can we tell what information is encoded in these labels?
3
votes
1answer
528 views

Why was the speaker wire installed this way for a media room?

I recently moved into a relatively new home. The home was never occupied and has a media room. The media room has the following (see picture for locations, speaker wire is in blue, speaker wire has ...
2
votes
1answer
556 views

Potential wall socket fault

I'm remodeling a room and sorting up a rat's nest of questionable electrical practices... boxes hiding in the wall, wall fixtures being used to branch circuits, etc. At this point, all of the hard ...
0
votes
1answer
7k views

Network Garage Door opener/ how does the switch work

I'm trying to connect a relay/switch to a Garage door(Lift Master). I know that there are two wires to trigger the garage door. I'm not sure how it works exactly. I'm trying to control the garage ...
5
votes
1answer
4k views

Running cat 6 networking cable in the attic: what is up to code?

I plan on adding a Cat 6 network in my single-story detached home. It would consist of home runs from each of the 3 bedrooms + TV room to a central patch panel in the garage, which is close to the ...
2
votes
3answers
2k views

How much can you do as a homeowner in Texas without requiring a permit/inspections? [closed]

Backstory: we recently added some furniture to a previously-unused room to make it a quickie guest bedroom for some upcoming family visits. On a whim, I got my electrical tester and plugged it in to a ...
1
vote
2answers
3k views

It is dangerous to have a power outlet run from a light circuit?

Re this answer regarding wiring a garage door power point from a light is this legal I thought it wasn't but just checking. Edit: Legality will depend on location as mentioned in answers, I worded ...
7
votes
2answers
695 views

Is a negative reading from a non-contact voltage detector sufficient?

I'm a beginner at doing electrical work, and I want to make sure I'm not taking unnecessary risks. Let's say that I'm preparing to work on some wiring. I have a non-contact voltage detector that ...
9
votes
2answers
3k views

Is this fluorescent light fixture a major electrical problem / fire hazard?

(I am a new homeowner.) I went to replace a some fluorescent tubes that looked like they burned out, but after disassembling it a little to get the tubes out, I saw something a little alarming: ...
4
votes
5answers
3k views

Is it safe to run a USB cable inside a wall?

I need to extend a USB device from a corner of my room to the above the fireplace. Since I'm already going to be installing some HDMI and audio cables through the wall, I'd like to have my USB device ...
1
vote
2answers
3k views

Replacing chandelier, how many lights can it support?

I want to replace a chandelier that currently has 2 bulbs, and I want to replace it with one that has at least 5 bulbs if possible. We live in an older building (built in 1912), and a friend warned me ...
2
votes
1answer
2k views

Do I have to use armored (MC) cable to connect to a pot (recessed) light fixture?

Most of the recessed lighting fixtures I see in stores have a metal junction box separate from the can. There is an armored cable running from the junction box to the can already. You connect your ...
1
vote
3answers
749 views

Cannot figure out wiring of most basic Honeywell thermostat (heater only)

I live in an apartment with central heat. It's controlled by a round Honeywell thermostat. The heater ticks really loudly and annoyingly when it heats up and cools down (probably a topic for a ...
7
votes
1answer
1k views

Any reason not to ground the sheathing of MX wire?

Having recently bought an older house (c1943) I am doing a little work on the place. While rewiring a light switch I noted that there is newer Romex wiring from the distribution panel to the switch, ...
3
votes
1answer
711 views

What would cause a ceiling fan to stop while the light still works?

Installed a new fan/light today. Wiring appeared to be identical to old fan we removed. green ground to green ground on mounting bracket. white to white. black and blue to black. Turned it ...
6
votes
4answers
14k views

Will an existing 10-3 w/ground electrical wire handle a 50 amp 220 volt welder?

I am wondering if my current electric service wiring can handle a welder. The welder documentation recommends a 50 amp breaker on a 220 v line. Currently I have a 60 amp breaker on a 220 line going ...
8
votes
1answer
388 views

How should I install a signal cable duct from new home office to a wiring closet?

I'm constructing a new home office and rather than having fixed cables from the (existing) wiring closet, I want to have the flexibility to add/remove/change cables in future, so I've been looking at ...
3
votes
1answer
371 views

Can I use a transfer panel with something other than a generator?

What I am trying to do is use a transfer panel to power some 15-amp sockets with ether a dimmer pack, or from the main. (trying to set up a theater space so when there's not a show going on you can ...
5
votes
4answers
6k views

Why is it safe to use 15 A receptacles on a 20 A circuit?

OK, the one answer I got was way off target, and another commenter couldn't figure out what I was asking, so I'm restating the question... Are 15A 3-prong grounded outlets actually rated to 20A, ...
1
vote
0answers
52 views

Duplex Outlet's Max Amperage Rated by Socket or by Whole Unit? [duplicate]

Possible Duplicate: Duplex Outlet's Max Amperage Rated by Socket or by Whole Unit? If you have a duplex outlet thats rated for lets say 20 amps, is the whole unit rated for 20 amps, or ...
1
vote
4answers
2k views

Is a duplex outlet's max amperage rating for each socket or the whole unit?

If you have a duplex outlet thats rated for lets say 20 amps, is the whole unit rated for 20 amps, or is each socket rated for 20 amps? Edit: So if I had a circuit that had a 40A breaker on it, could ...
4
votes
2answers
889 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 ...
4
votes
2answers
5k views

Can I split the direct wire to dishwasher to handle a garbage disposal as well?

I've just plumbed in a new garbage disposal unit under my sink. The plumbing appears to be fine - nothing is leaking so far. Now I need to wire it in. It's next to a dishwasher, but the dish-washer ...
1
vote
3answers
328 views

How to hide light-colored wires in a dark-colored cabinet?

I'm installing some LED lights in a particle-board cabinet. The cabinet's walls have dark-colored veneers (nearly black), while the wires to the LEDs are beige, and would stand out quite prominently. ...
4
votes
2answers
666 views

Installing a ceiling fan into a socket with 3 wires jammed into the socket

I recently purchased a ceiling fan thinking it would be a fun DIY project but when I went to install it, I came across many problems. I have attached a photo of my ceiling fan socket on the ceiling ...
4
votes
1answer
2k views

When is it generally safe/acceptable to use a wire nut?

Can someone please clarify for me when exactly it's safe/acceptable to use wire nuts? Regional building codes withstanding, I think the general rules of thumb are: Only use wire nuts in ...
7
votes
3answers
2k views

How should I go about fixing a faulty 240 V Electrical Outlet

This afternoon, my wife and I noticed a peculiar smell coming from the garage. We localized it to a faulty 3-wire 240 V outlet. Something got really hot resulting in part of the rubber melting on ...
1
vote
3answers
486 views

Why would lights plugged in to lamp holder outlet adapter be testing as live?

We bought an old pendant light for our flat, with a two prong plug. Rather than rewiring it in to the existing outlet, I just bought one of those $2 lamp holder outlet adapter. To be on the safe ...
2
votes
2answers
1k views

How do I use this H/L/V Wiring?

I am replacing an OLD h/l/v with a BROAN 100HFL I DO NOT have a 12/2 and a 12/3 coming from the 3 switches on the wall. I DO have this, two 12/2 coming from the 3 switches AND another 12/2 that ran ...
4
votes
2answers
558 views

We have a light switch in the kitchen that is wired to the central ac?

We bought our house 2 years ago and thought this was just an unused switch, it doesn't turn anything on that we can see. Then the other day my husband was putting up a ceiling fan in the kitchen and ...
0
votes
3answers
1k views

Could a power outlet be ruining hair straighteners?

I'm not sure if this is the right place to ask this. We've gone through 3 hair straighteners in the past 2 months. 3 different models, 2 different brands. The outlet is a normal outlet (No GFI) and ...
6
votes
1answer
2k views

How can I replace a light fixture?

I need someone to sort out this wiring question for me. I'm trying to hang a flourenscent light in the garage, however, when I took the old garage light out (one of those round, single light ...
4
votes
2answers
669 views

GFI reset is behind refrigerator, need to remove refrigerator from circuit and relocate GFI

I am looking at purchasing a home in Florida, built in 2005. Our home inspector was not the smartest cookie in the jar, but accidently discovered some strange things. So far, this is what I have ...
4
votes
1answer
233 views

Where can I purchase push button electrical switches?

Our old house has push button light switches. I would like to find some modern replica switches and face plates for use in some electrical improvements. I have checked at our local home improvement ...
6
votes
5answers
12k views

Is there an NEC-compliant method of repairing minor damage to electrical wire insulation without a junction box?

While trying to pry loose a stubborn cable staple that fastens a 14-gauge electrical cable to a stud, I accidentally tore a very small hole through both the outer jacket and the insulation around the ...
5
votes
2answers
3k views

Do I need to “protect” low voltage cables that are run through an insulated wall?

I'm planning to run speaker cables from a new outlet at an uninsulated wall to a new outlet at an insulated wall. I've already run Cat5e and coaxial cable to the uninsulated wall, and am comfortable ...
7
votes
5answers
11k views

How can I get a shock from a circuit when the breaker is off?

While I was replacing an old outlet, I received a shock from something in the box. I think it was the metal box itself. Before I started, I performed the following to ensure the power was out: ...
3
votes
2answers
2k views

Is this a valid way to add an electrical outlet?

I've got a feed from my electrical panel in the garage to a single outlet inside the house (for the entertainment center). This was installed by an electrician back in 2009. Through the garage, the ...
5
votes
2answers
930 views

Is it safe to install a sconce light box inside a return air space?

In my finished basement, the space between one section of studs is being used as a return air duct for my furnace and central air. Here is a picture, looking up from the vent at the floor level: ...
8
votes
3answers
2k views

What happens if I shave a little sliver off electrical wire with a utility knife?

I needed to replace an electrical wire with a longer one so I could move an electrical outlet. When I went to cut away the outer rubber cover of one of the wires with a utility knife (yes, dumb, I ...
4
votes
2answers
630 views

How can I add a second light to a circuit?

I have recessed lights that are controlled by two switches. They used a black, red and white wire for each switch to a junction box then used a 14-2 wire to the recessed lights. My question is how do ...
4
votes
3answers
6k views

Splitting a circuit breaker into multiple lines

I recently found out that several rooms in my house are apparently connected to one circuit breaker. Setup: My wife was in the bathroom drying her hair and I decided it was time to nuke lunch in the ...