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

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7
votes
2answers
743 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: ...
7
votes
5answers
4k 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
778 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
718 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
15k 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
405 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
380 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
7k 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
933 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
6k 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
333 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
672 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 ...
5
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
491 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
581 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
690 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
234 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
13k 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
989 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
641 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 ...
11
votes
3answers
5k views

Ethernet cable instead of Thermostat wire?

I need to pull new wire from my furnace to my thermostat and was wondering if there would be any problems in using an Ethernet cable instead of standard thermostat wiring. The reason being is I have ...
10
votes
5answers
52k views

How should I run wiring for my above-fireplace mounted TV?

I'm going to mount my 47" LCD above my fireplace. I'm not looking for arguments against this decision. I'm looking for wiring solutions. The diagram below should help explain the situation. ...
4
votes
1answer
196 views

What's wrong with an electrical outlet that will power a lamp but not a space heater?

Thought my space heater had died when I plugged it in and it wouldn't turn on, not even the "on" indicator light, so I went out and bought a new one. When the new one wouldn't work either, I tested ...
4
votes
1answer
1k views

How do I wire a switch/receptacle combination?

Here's my current situation. I've got 14/2 to the ceiling. The hot wire has a runner, which runs down to the switch, and the other wire is a switched hot, back to the light. The other side of the ...
5
votes
2answers
2k views

How do I wire my wall-mounted HD TV?

This image wall-mount setup should give a good idea of the current TV set up on the wall. I wanted to use a SmartStrip to power my TV and all the other devices (receiver, BluRay player, Wii, cable ...
3
votes
2answers
955 views

How to wire a lamp to a junction box?

In my bathroom, I had an old wall lamp hanging above the mirror, that was connected to a junction box. I dismounted the old lamp and didn't pay attention to which wires it was connected. Now I need to ...
5
votes
3answers
25k views

How to properly wire a ceiling light fixture?

I rent an apartment and a tenant installed ceiling fan that was not well secured to the ceiling. I removed the fan and attempted to re-install the original light fixture after he moved out. I am ...
4
votes
4answers
3k views

How can I upgrade a 3 wire appliance receptacle to a 4 wire receptacle?

I have a cabin, wired for 220 and even has a sub-breaker near the outlet. There are 3 wires to the connector (two hots and the neutral). The range-top that I want to hook up is a 4-wire model (2 ...
5
votes
1answer
141 views

Can I use a hot wire on another panel?

I have a room upstairs that's the size of a small studio apartment. My daughter decided to move back home but my tenant noticed that the room she moved into is tied into their apartment. I went to the ...
1
vote
3answers
8k views

What did I do wrong??! Wiring error is tripping circuit breaker

Here's the scoop: There are 3 switches in my hallway. One switch on side A and two switches on side B. Side A switch controls same light as one switch on Side B. I replaced the switch on Side A ...
2
votes
1answer
3k views

Potterton EP3000 -> Horstmann C27 boiler programmer wiring

I'm in the UK, using an ancient tempermental Potterton EP3000 boiler programmer, but I have a brand new Horstmann C27 which I'd like to replace it with. Apart from the mains supply, there are three ...
3
votes
1answer
819 views

Should the tester start flickering when I touch my chandelier's top wiring cover?

(First time quiestion here, so correct me if something's wrong) I recently installed a lamp on the ceiling (a metallic chandelier). Two wires connected to the ceiling (one phase and one "zero"). The ...
3
votes
1answer
958 views

What are the “rules” for connecting different kinds mains electrical wires?

Aluminum wires can't be connected directly to copper wires - otherwise the contact spot overheats badly, such connections should only go through steel connectors. I was rather surprised when I found ...
3
votes
1answer
997 views

Should a generator transfer switch have continuity between all contacts in the “Gen” position?

I am finishing up installing my generator transfer switch today and I think I have a wiring problem... I have a six circuit transfer switch wired in with a power inlet box outside. Everything is ...
0
votes
1answer
317 views

How do I clean an oxidized steel terminal before attaching a wire to it?

I have to replace wiring in a power meter box in an apartment building. There're four really beefy wires running vertically through the whole building and each wire has a short stripped segment inside ...