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
11answers
17k 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
3answers
22 views

How do I connect a light before a 3way, followed by a 3way, then a light? [closed]

I now have power to 3way A, connected to 3way B, to a light. I want to add a light before 3way A. Power comes to a junction box, then to 3way A. A is at the bottom of a stairs and B is at the top.
0
votes
2answers
52 views

Should a heavy duty transformer (used predominantly for LED lights) be on the mains ring or the lighting circuit?

I am putting RGB LED strip lights in a room, powered by a fairly heavy duty (30A) 12V transformer. The transformer will also power a Raspberry Pi (volatage will be split to give it 5V)that will be ...
3
votes
2answers
1k views

Is a multi-strand conductor better suited for house-hold wiring than a single-core?

Back-ground: The wiring at the residence dates back a century - almost. The old wires were wound in cloth, and are pretty thick aluminium/tin-coated copper. The old energy meter (one with a marked ...
4
votes
1answer
543 views

Can I install a light between two three-way switches?

is it possible to add a light to a three way switch circuit between the two three way switches (ie can i tie into the three wire connecting the two switches in anyway to make them work the new light ...
0
votes
0answers
253 views

How do I connect up a ceiling rose in a 2-way switch circuit?

I removed a ceiling rose and forgot to at least take an image or draw the wiring before replacing it. It is part of a 2 way switch (the other switch is upstairs). However, the wiring colours are ...
2
votes
1answer
56 views

How to wire a light fixture with 3 white wires in box?

I just removed a light fixture which was connected to three wires. One light wire (both are brown) was hooked up to two white wires, and the other wire from the light (also brown) is connected to one ...
12
votes
6answers
10k views

How should I go about installing a 12 volt DC residential circuit?

I have a couple deep cycle batteries that trickle charge from a solar panel, for emergency use. Right now the only way I get useful power from them is to use a 12VDC -> 120VAC inverter, e.g. the type ...
1
vote
1answer
34 views

Can I run wireless alarm sensor in same conduit as power?

I need to connect a water flow valve to my wireless alarm. I plan on connecting the water flow switch to a wireless alarm sensor Currently there is a junction box that has power running to it that ...
3
votes
2answers
211 views

Must NM cables around panels in unfinished basements be protected?

I'm thinking about installing a new circuit. The panel is on the wall in an unfinished basement. Three questions: Is the new NM cable going down to and around the panel considered to be "subject to ...
3
votes
1answer
85 views

Strange light switch wiring… why would neutral and hot be connected?

I'm having trouble figuring out why my light switch box is wired the way it is. The place I'm living in is quite old (guessing built in the 80s?). Originally, I opened open the panel with the hope of ...
0
votes
1answer
493 views

How can I use a 12VDC bilge pump with an Intermatic timer for pond circulation?

I have built a small rock water feature using a 12V bilge pump as the circulator. I purchased an Intermatic 12V light timer/transformer to power the pump. There are two connection terminals on the ...
0
votes
2answers
262 views

Can I install a Honeywell WIFI Thermostat?

I have done quite a bit of research and have not been able to find an answer I am looking for. I currently have a manual digital thermostat that is not programmable made by Braeburn. My system is a ...
6
votes
1answer
253 views

How do I terminate coaxial cable in a crimp on F type connector?

I've got some coaxial cable, and I'd like to put F type connectors on the end so I can use the cable to connect my TV to the Cable box. How do I put ends on the cable?
3
votes
1answer
44 views

Is there an advantage to using EMT over Plastic Flexible Conduit for Low Voltage runs?

I am planning a structured wiring project. As AV wiring is always changing, I think it would be pertinent to run the low voltage wire in conduit. While discussing the idea with a friend (and hardware ...
2
votes
1answer
45 views

Is it a problem that I have two of each color wires on my Honeywell thermostat?

I am thinking about upgrading my Honeywell thermostat. Every thing I have seen describes / shows a single wire for each color. My current thermostat has two wires connected to each terminal (two green ...
4
votes
2answers
400 views

Can I use SCH 40 for buried and above ground feeder wire?

I'm running 2" PVC from my house to a detached garage to run a 60 amp feeder. Looking at the NEC, it looks like I need to put it in SCH 40 below-ground. However, it looks like I have to use SCH 80 ...
0
votes
3answers
139 views

A spark from a power strip recently made the electricity go out is it safe to turn it back on?

About a week ago my daughter plugged up her iPod to a power strip that was plugged into an outlet in her bedroom, she said she placed the iPod onto the power strip and let it sit there while she ...
2
votes
3answers
117 views

Should I be using wire nuts to connect my light socket?

I am replacing a light socket in a ceiling lamp. The old socket had two short wires permanently attached to the socket, which were then connected to the wires coming out of the ceiling with wire nuts ...
13
votes
3answers
46k views

What is a GFI outlet used for, and where should I install them?

What purpose does a GFI serve? Where should they be used?
0
votes
1answer
54 views

How do I connect original to new wiring when repairing an electrical fault in an AC unit?

The AC failed at a neighbor's house and the problem was quickly diagnosed as electrical. I saw that a few of the wires had corroded and one had actually burnt through. The unit is only 5-6 years ...
1
vote
2answers
109 views

Is it possible (and safe) to adapt a 4-prong dryer outlet to a NEMA 6-20?

I'm considering an appliance that is 240v 16A 3500watt with a NEMA 6-20P plug. Is it possible and safe to create an adapter for this so that it can be plugged into a standard 4-prong 14-30R dryer ...
2
votes
1answer
63 views

Wiring multiple switches off 1 load wire

How do I wire a three way switch and a single pole switch off of 1 load wire?
3
votes
2answers
273 views

How do I change which half of a receptacle is controlled by a wall switch?

I have a switched outlet in a bedroom. The top receptacle is controlled by a wall switch while the bottom is always hot. Can I make it so the top is always hot and the bottom is switched by just ...
1
vote
3answers
89 views

Running a new kitchen light circuit from a receptacle with a “traveller.”

I'd like to power a set of three ceiling-mounted down-lights from an existing receptacle in a kitchen reno. A picture of the existing receptacle is attached. My confusion is it has a fourth wire ...
0
votes
1answer
133 views

Are the connections in the pictures below an attempt at stealing power for another apartment

I need help indentifying if the connections here are stealing power from one apt. for use in another.suspect
1
vote
2answers
3k views

Adding a C wire to a new Honeywell WIfi Thermostat

I am trying to install a new Honeywell touchscreen WIFI thermostat (http://www.homedepot.com/p/Honeywell-Wi-Fi-Smart-Thermostat-RTH9580WF/203926327?N=5yc1vZc5kl) and need to add a C wire to my ...
11
votes
2answers
8k views

Why is my Nest thermostat not working with A/C?

I installed Nest thermostat a few weeks ago, replacing an old Lux programmable thermostat (there was nothing wrong with it). I connected 4 wires (R,W,Y and G) to the Nest. But as soon as I'd ...
1
vote
2answers
593 views

Wifi Thermostat wiring

Replacing 2 Hunter thermostats with a Honeywell RTH9580 Wifi. Neither unit has a C wire - I'm comfortable with the upstairs high efficiency unit, but the downstairs older unit has thrown me for a ...
0
votes
3answers
3k views

How can I use a separate transformer to provide a C wire to my thermostat?

I Purchased the Honeywell WiFi Prog Thermostat to replace my Round Digital Honeywell Thermostat. I have separate Heating and Cooling (Heating is a Weil McLain Boiler for Hot water baseboard and Hot ...
3
votes
2answers
525 views

Can I use an unused wire as a “C” wire?

I just bought a new thermostat that is Wi-Fi enabled and it requires connection to a "C" wire. The old thermostat does not have one running to it, but there are other unused wires. The thermostat ...
0
votes
4answers
93 views

Should a neutral wire ever be connected to the neutral for the power meter?

I was not working with this circuit breaker box but I was interested to see what was going on with only 3 breakers for the entire apartment. I found a neutral from the apartment going into the ...
1
vote
1answer
121 views

Can I use a 20 amp breaker in the situation of having 15 amp wire connected to a 20 amp main wire?

Can I use a 20 amp breaker in the situation of having 15 amp wire connected to a 20 amp main wire? If I can't would using a 15 amp breaker be ok?
0
votes
0answers
77 views

Replace 1 gang 2 way with 2 gang 2 way

I currently have downstairs in the hall, a 2 gang 2 way switch that has 5 wires, two red wires coming from 1 cable, and 3 wires (red, blue, yellow) coming from a second cable and they are wired to ...
1
vote
1answer
1k views

How do I convert a 3-way circuit with two lights into two 3-way circuits that control each light separately?

I have two switches in my kitchen, one on each side, that each turn on two lights at the same time. What I want to do is change it around so each light is turned on separately but still from both ...
0
votes
1answer
68 views

What circuit should I use for a new outlet in my living room?

My house (built in 1953) has a number of electrical inconveniences, including the fact that the same circuit that powers the outlets in the living room also powers many other disjoint locations ...
2
votes
3answers
349 views

Help connecting cat5e cables for home networking

I'm renting an older house that was renovated a few years ago, and I'm hoping to utilize the cat5 wiring in the house for networking. Here's the setup: internet --> coax --> modem --> ...
1
vote
1answer
31 views

what kind of electrical boxes and fashioning methods are best for metal framing?

What kind of electrical boxes and fastening methods are best for metal studs? Are there special boxes that are best to use?
0
votes
2answers
73 views

Wiring requirement for small kitchen

I am in the process of renovating an older home where I require just two or three counter top receptacles. I discovered in the NEC that: The countertop receptacle outlets in kitchens must be ...
0
votes
1answer
112 views

Why does my GFCI receptacle trip when anything is plugged in?

My house was built in 1994. The garage is fed from one 20amp circuit wired to the lights first, then a GFCI, then a couple regular outlets. This has worked fine for me for 19+ years. We had a ...
0
votes
0answers
27 views

How can I wire a WeMo into this circuit?

Ok so I have figured out (I think) how to make my three way switch act like a single by solving red and black in the middle box and red in one box. Now those two switches are dead. My question would ...
0
votes
0answers
35 views

How do I reuse a fluorescent light fixture?

I am reusing a fluorescent fixture with two black wires and one white. Do both black wires go to the black (hot) wire?
0
votes
1answer
199 views

How should I wire a ceiling fan remote where two switches are used to control the fixture?

I have 2 wall switches. 4 wires coming out of ceiling (black-hot, red-hot, white-common, bare- ground), a ceiling fan and a remote. How do I wire them and still be able to use wall switches? I can ...
0
votes
3answers
37 views

FPE panels replaced [closed]

Does any of you who is electrician know if my home insurance can refund me for having the Federal Pacific E panel and wiring replaced? I got it replaced with new one because I was warned that the ...
0
votes
0answers
31 views

How can I control a light with a contactor and timer?

I want to control the outside light of my house with a timer and a contactor, but I don't know how to go about the wiring. Should the supply from the DB go to the timer or the contactor first?
0
votes
1answer
153 views

How to run flexible metal conduit through wall of attached garage?

The photo shows a disconnected generator transfer switch and a sub-panel in an interior room on a wall that is shared with an attached garage. The transfer switch is pre-wired with some sort of ...
2
votes
2answers
2k views

How do I connect a timer to circuit box which controls our outside lights?

Currently our outdoor lights are being controlled by the circuit breaker in the box. We want to connect a timer to the circuit-breaker. There is a junction box with Black, White and a bare ground ...
4
votes
2answers
327 views

What are these marks on the Romex wire in the wall?

I was replacing some damaged siding and decided to replace the old dirty insulation at the same time. After pulling out the insulation I noticed that the Romex running to two outlets had some brown ...
8
votes
1answer
1k views

How do I wire this motor with 240V?

I have 240 plug with a switch dedicated for Air compressor. I have compressor that supposedly can be wired for 240V 2 pictures show sticker and current wiring. How do I update wiring to make it 240V? ...
13
votes
4answers
55k views

How do you know when and where it is safe to drill into a wall?

Lots of home projects involve cutting or drilling through walls (everything from nails, screws, or hooks to mount things to cutting through drywall and drilling through studs to run wire). In ...