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

learn more… | top users | synonyms

1
vote
3answers
10k views

Adding a C wire to a new Honeywell WIfi Thermostat

I am trying to install a new Honeywell touchscreen WIFI thermostat and need to add a C wire to my terminal inside the furnace (using the help found at How can I add a "C" wire to my ...
0
votes
1answer
37 views

How do you wire a 3 switch box in a bathroom?

I'm replacing an old outdated 3 switch unit with a newer one to match the rest of the bathroom. One switch controls a light, one controls the exhaust fan, and the third controls a heating element. ...
0
votes
3answers
98 views

Help me understand electricity - is the neutral always dangerous?

I've read the basics of modern domestic electrical systems, but I have a few questions about the very basic premise that I don't think was really explained. The analogy used in the book compares ...
1
vote
3answers
182 views

Is it okay to connect 2 ground wires to a single ground screw?

I have 2 ground wires that I can get around the ground screw on an outlet. Is it okay to do this or do I need to use a pigtail to join the wires and have only one wire attach to the ground screw?
0
votes
0answers
29 views

How should I secure cables in attic trusses?

When running NM cable across attic trusses, is it required to 'secure' the cable (with stables or straps) every 4.5 ft or is the support from trusses every two feet sufficient?
0
votes
3answers
817 views

Replacing Bathroom vent, heat light combo and wiring is weird

I am replacing a bathroom vent, light, heater combo. The wiring from the house has three switches, but has only two lines with three wires (black, white and ground). The new vent, light and heater has ...
2
votes
1answer
108 views

Sub panel and neutral and ground bus bar

Some HVAC people under previous home owners put in a sub panel box and ran the AC as well as some lighting and outlet circuits from the sub panel. The bus bars on the two sides of the panel box were ...
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 ...
0
votes
1answer
26 views

Wiring a ceiling light fixture. Too many ceiling wires!

I have one bundle which includes 4 (old black wires) and one bundle which includes 3 (old black wires) and finally I have one wire by itself which appears fairly new. How do I identify my black/white ...
5
votes
1answer
101 views

What would be the most economical way to run wire for a driveway light?

I want to run electrical power through my woods to end of driveway. There will be no driving or walking over this area of 300', but I do have squirrels, deer and other "critters" that might chew. What ...
0
votes
1answer
77 views

Why would I have two wires feeding one smoke detector?

I found a smoke detector in my house that appears to have two wires feeding it from two different circuits. Is this OK?
2
votes
2answers
91 views

What could cause my bathroom exhaust fan to stop working?

I've got a Vent fan with heater in the bathroom, and recently the vent fan stopped working while the heater worked fine. Thinking this might be just a bad switch issues, I took the cover plate off the ...
3
votes
2answers
133 views

How can I extend a circuit so I can plug in my under cabinet lighting?

I am replacing halogen under cabinet puck lighting to LED. The old system was hardwired right into a switch with a power source that was starting to make noise so I thought I would replace the whole ...
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 ...
0
votes
1answer
105 views

How do I wire a pull cord ceiling switch?

I'm replacing the bathroom extractor fan switch with a new one (the pull cord no longer works) The new switch only has place for 4 wires - Neutral and Live (Supply and Feed) and the earth. I have 7 ...
0
votes
1answer
31 views

How would I connect several speakers to an amplifier for multi room sound?

I would be happy if anyone can help me with the following project I wish to build : I have an old amplifier 4ohm impedance with A and B zones, support for mono and stereo and playing A and\or B. I ...
0
votes
0answers
71 views

Wiring light switch with neutral (Z-wave)

I am trying to see whether or not I satisfy conditions to buy Linear WD500Z-1 Z-Wave 500-watt Wall Mount Dimmer Switch. Here is the picture of wiring I currently have: Just to provide more ...
1
vote
1answer
123 views

Bathroom fan/light switch with outlet

I have a switch in my bathroom that controls both the fan and the light, and also has an outlet. Can I get anything that has two switches (one for the light and fan) and also not lose the outlet ...
0
votes
1answer
36 views

Double Oven Wiring

We are replacing the old double oven with a new one. The circuit in the wall has all copper wires, however, the wires in the oven are silver. Can you attach silver wires to copper wires?
0
votes
1answer
401 views

How can I add a C-wire to a Venstar T5800 thermostat?

I am trying to replace my existing thermostat. My old thermostat has: Rh, W (coming from the heating unit). Rc, Y, G (coming from the AC unit). On the Venstar T5800, I can map as follows: Rh+Rc ...
0
votes
0answers
43 views

After moving stove and rewiring, why don't I get any heat from my stove?

I changed where my stove outlet was and rewired it to another wall. Now I have little heat on my ceramic top and my oven takes a long time to heat. My stove is two months old. Why is this?
0
votes
1answer
40 views

Wiring a double oven on a wall opposing the wiring?

I upgraded from a single to a double oven and need to move it to the other side of the kitchen. Is it safe to run a 220V extension cord from the wiring to the oven under the flooring? If not what is ...
2
votes
0answers
57 views

How can I install Z-Wave switches in these different situations?

I am trying to install z-wave lighting switches into my apartment. What I have discovered is that every light switch in my apartment that I have taken apart (4) is wired differently. The switches I am ...
1
vote
1answer
43 views

How to wire three-way switches to light fixture with a fan?

I have a light fixture with a fan, and two switchboxes with space for two three-way switches each. I would like each switch box to have two switches, one which operates the fan and the other which ...
1
vote
0answers
23 views

Newly installed 4" halo can lights have a slight odor when on

I just installed 6 new 4" halo can lights. When they are on I can smell a slight odor coming from them in the attic. Is this normal? I felt the light housing in the attic and is just warm. I also felt ...
0
votes
0answers
87 views

Honeywell WiFi Smart Thermostat Wiring

The Honeywell WiFi Smart thermostat was operating fine when on AC until the heat went on this fall. Now, each time the fan goes on, the thermostat loses the connection, turns blank, then reboots ...
1
vote
2answers
555 views

How many outlets can you have on one 15 amp circuit

In my rebuilding project i have counted 18 outlets and lights on one bedroom circuit that travels through 3 rooms. Is that ok ?
0
votes
0answers
27 views

Can fluorescent recessed lighting with four wires be converted to a two wire incandescent socket?

I have ceiling lights in the kitchen that are fluorescent recessed can lighting with four wires, can they be converted to a two wire incandescent socket?
3
votes
1answer
34 views

How can I install a regular light fixture where a ceiling fan used to be?

Removed an old ceiling fan. There was one wall switch that only controlled the lights. The fan portion could be on regardless of wall switch position (by pullchain on the unit). I'm left with two ...
1
vote
2answers
74 views

How can I identify a neutral wire?

I'm trying to install a WeMo light switch in the place of an existing switch. I'm unsure which wire is neutral, or if I have one at all. Below is a photo of where I'm at currently. There are two ...
0
votes
1answer
55 views

Can you wire a 30A 2P standard circuit breaker “downstream” from a 60A GFCI 2p circuit breaker?

Will this still provide GFCI protection? Is this against code? Does this represent a hazard? I have a subpanel with a 60A GFCI circuit breaker, that I want to use that to feed to 2 30a 240v ...
7
votes
12answers
23k views

When wiring outlets should I use pigtails or both sets of outlet screws?

I'm replacing the outlets in our house and pulled out one that had two black and two white cables. My first thought was that it was two circuits, one of them being switched, but then realized the tab ...
0
votes
0answers
42 views

Could wiring a dryer incorrectly cause the control board to be destroyed?

I wired the black hot lead from my new 4-prong dryer cord to the neutral terminal, now the dryer will not power up. Did I destroy the control board?
2
votes
2answers
73 views

How can I run cables along a concrete wall?

I am living in a house with concrete walls (no attic, no basement) and I want to run Cat5e or Cat6 Cable from the router which is downstairs to my office which is upstairs. Right now running cables ...
1
vote
1answer
110 views

Why isn't this 3-way wiring working?

Below is a diagram that I drew to help me rewire a couple of switches. The left switch is a standard 3-way switch. The right switch Cooper 275W-BOX combination single pole and 3-way switch. The single ...
0
votes
1answer
133 views

My attic unit already has a wire connected to C, can I still connect a wifi thermostat? [duplicate]

I have an extra wire I can use for the C wire on both ends but in my attic the main unit has a wire already attached to the C spot and going away from the unit to something else. Can I attach two ...
2
votes
3answers
29k views

Where does the ground wire go in a 3-prong dryer cord configuration?

We moved to a new place where the dryer connection is 3-prong instead of 4-prong. The dryer was originally 4-prong, so we bought a 3-prong cord and installed it. It works fine, except I am not ...
0
votes
1answer
72 views

Just bought a house, 70 years old, want to upgrade 2 prong outlets [duplicate]

I've done some searching on this already and I think I know the answer. But I'd like to ask just to double check. If i am not sure if the outlets are properly grounded, my best bet would be to ...
2
votes
1answer
64 views

What causes an open ground on a wall outlet when I turn on the light switch to the ceiling lights?

We just moved into this 1960s era home. In the living room, when the light switch is "off", the wall outlets test ok (both amber lights are lit) using a 3 prong outlet tester. However, when I flip ...
0
votes
2answers
83 views

Can I output video single wire RCA signal out of 3 composite ports?

My projector has a single RG-6 cable with RCA terminals running to it from the console space in the front of the room. I wanted the cable to be hidden as much as possible and I didn't run an HDMI ...
8
votes
1answer
36k views

How can I override a motion detector light?

I am going to be installing one or two motion detector lights to cover my backyard. I would like the ability to "override" the motion detector. What I mean by this is that I would like to be able to ...
0
votes
1answer
31 views

How to wire in an alternate light controller?

My townhouse complex has external lights on timed controller. The controller only supports a single on and off time which means we need to keep adjusting the lights through out the year to avoid ...
0
votes
1answer
77 views

Can I connect a whole house humidifier so that it's always on when the furnace is running?

I installed the model 500 Aprilaire. It seems to work properly, but I noticed that it only seems to maintain a max 45% humidity. So basically it's not always running when my furnace is on unless it's ...
0
votes
0answers
24 views

What size panel and wiring do I need for an addition?

I am adding an addition to my house. I will be running two 20 amp heating circuits, and four general purpose lighting and receptacle circuits. What size wire, and amp breaker do I need?
0
votes
0answers
65 views

Extra low voltage over mains voltage circuit [closed]

Is anybody aware of any regulatory issues that forbid a domestic mains voltage spur from being driven at, for example, 12Vac / 2A / 50Hz i.e Extra Low Voltage. If this were to be legal, it could be ...
3
votes
2answers
120 views

Can I substitute two wires for one heavier-gauge wire?

Can I substitute two 14-gauge wires together for one 10-gauge wire? Using it from the generator RB-30 remote box, to the transfer switch inside a 6', 10-3 whip in the basement.
0
votes
0answers
55 views

Large air compressor requirement

I have a monster air compressor that I picked up from a shop (circa 1984), that on the 10HP motor data plate says it is a single phase, 230 V and 41.0 amps. Am I going to need like a 50 amp breaker ...
0
votes
1answer
87 views

How should I run CAT6 wiring from one side of my house to the other?

I want to run CAT6 wire through my house, from the wired west wall to the east end of the house, and I would like to do so as cheaply as possible. I do have an inside storage space under the living ...
5
votes
1answer
62 views

Does it matter if my newly installed GFCI reads “open ground”?

I just replaced a few two-prong outlets with GFCI outlets so we can plug in things built this millennium. Two of them outlets read "correct" on my circuit tester, but one reads "open ground." None of ...
0
votes
1answer
93 views

How do I properly install GFCI outlets with existing 12/3 wire in parallel and on a switch?

I am trying to help my inlaws with a problem in their living room. Two of their outlets stopped working and I don't really know why. The outlets were wired to a switch in the hallway, which ...