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

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4
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1answer
399 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
1answer
70 views

How can I figure out why my electric bill is so high?

I have two homes (read flat or apartment) in two different buildings a few blocks apart. The homes are both the same size but, home 1 gets a huge electricity bill while home 2 gets 1/5 the electricity ...
1
vote
1answer
595 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 ...
1
vote
2answers
221 views

Are there motion light sensors available for multi-gang switches?

I suspect this is not available but I have rooms and bathrooms, all of which are multi-gang. 2 plus switches per plate. Are there slim line automatic switches for these configurations? Kids are ...
0
votes
0answers
35 views

why does my heat pump wiring diagram show 7 wires going to the thermostat but the thermostat only says it needs 5?

Here is a link to the wiring diagram for my heat pump. The thermostat that I am planning on buying has the following terminals C, G, Y, O/B, RC, R, Aux, E, and L. The instructions say to jump the RC ...
10
votes
1answer
4k 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
1answer
170 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
1answer
100 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 ...
0
votes
3answers
75 views

Circuit breaker does not trip - but produces no voltage under load

Some lights and outlets started going out intermittently in my home. Circuit breaker did not trip off but under inspection with a multi-meter, produced no voltage. I disconnected the load from the ...
7
votes
10answers
11k 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 ...
-1
votes
1answer
68 views

Where do I run neutral from/to when replacing a SPST switch with one that requires neutral?

I have a basic/good understanding of electrical wiring and I'm taking all necessary precautions. My research indicates that the old setup does not have a neutral going to the box, and that since the ...
0
votes
1answer
52 views

wiring for wall sconces

I had someone connect some romex for some wall lights for me. I ran the wire, and just had him do the connections (they're inside junction boxes). This from a partially finished space into a finished ...
0
votes
1answer
295 views

How can I wire multiple recessed lights and multiple dimmers?

How do I wire recessed Zinc Alloy ceiling lights. There are eight lights and eight dimmers. Can I run all wires and the feed into a junction box?
10
votes
6answers
6k 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
800 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
2answers
78 views

How does one upgrade garage electrical from an In-House main?

tl;dr Want to know the easiest way to upgrade electrical in garage from 15A to 20A. Actual Post Garage is on a 15 amp circuit, doesn't work out too well for a 15A air compressor. The main is in ...
7
votes
1answer
796 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
3answers
98 views

How to get experience handling power outlets without electrocution?

I want to start connecting electronics (micro controllers) to run/manage power outlets, but everyone always states to leave it alone unless you have experience. Well, how does one get started without ...
1
vote
1answer
285 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
2answers
366 views

Is using the light switch screw OK to ground a wire?

My house was built in 1950 and several light switches do not have ground wires. I believe there is no ground wire since I cannot find a wire that's bare - they are all coated. I want to install a ...
1
vote
1answer
231 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 ...
6
votes
5answers
8k 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 ...
1
vote
1answer
109 views

Is it acceptable to splice a circuit in two opposite directions for outdoor recepts/lighting?

Per the 2011 NEC, is it acceptable to... Splice a circuit (using a junction box indoors) as long as I leave it exposed, use the correct wire connectors, and have it covered? Use this run one side ...
-1
votes
0answers
59 views

Why do I have 170hz rather than 50hz on my lighting circuit?

My lighting circuit has a constant 240v but the hz is fluctuating between 150-170hz. I have 50-60hz at the RCD. How can this be?
2
votes
1answer
205 views

Need help wiring switches with several wires

Background: This started out as a simple addition of a recessed light in a hallway. The beginning issue was that the wire to power it was live all the time. So I took apart the switches in "Box 1" ...
5
votes
5answers
431 views

Nice looking on-wall wiring

I need to run some standard AC wiring for wall lights etc. in the living room and some telephone/broadband wiring too. The problem is I can't do it in-wall for various reasons. The only option I am ...
0
votes
1answer
534 views

How do I wire a 3-way motion sensor?

I am trying to install a motion sensor switch on a 3-way switch in my laundry room. both 3-way switches function normally if I use them now. One 3 way switch, we will call it #1, is by itself. It has ...
2
votes
2answers
213 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 ...
0
votes
1answer
73 views

L14-30 Plug & Generator

Please move if this is the incorrect place. I have a portable generator that is mounted to a car trailer. No earth grounds are made from the generator to the ground. There is a service panel inside ...
2
votes
1answer
94 views

How can I repair a ground-fault?

I'm hooking up a new GFCI in a remodeled bathroom, replacing an older one. There are two outlets following on the circuit. The GFCI works fine, but as soon as I would plug a light into the next ...
1
vote
1answer
56 views

CFL bulbs flash slightly even when turned off

I've noticed in the last two houses I've lived in that CFL bulbs will periodically flash even when not turned on. It's about one flash a minute, and it's not very bright. You can only notice it when ...
2
votes
2answers
243 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 ...
0
votes
3answers
58 views

What could be causing my three way switch to malfunction?

Ok we recently moved in. There is a problem with our kitchen three way switch. I have not opened the box yet, but feel comfortable doing so, and working with a volt meter and what not. Here is the ...
5
votes
3answers
316 views

How can I seal this hanging electrical outlet in my horse barn?

I really am not a fixer type of gal but this seems like it should be simple enough. Please respond appropriately for someone who has limited knowledge. I have a hanging outlet in my horse barn. ...
4
votes
1answer
158 views

Can I install a receptacle outlet below a window?

I need to add a receptacle outlet to an existing line. I will run the line from an existing receptacle outlet. Is it okay to locate the new outlet below an existing window?
1
vote
3answers
1k views

How do I re-wire a ceiling-fan to reverse its direction?

One of the ceiling fans at home was spinning in the opposite direction (clock-wise) and so was sucking up the air rather than blowing it. I live in a hot climate so we always have the fans spinning in ...
0
votes
2answers
66 views

Should I drill through the concrete garage wall to install a generator inlet switch inside?

I recently purchased a generator in the aftermath of the ice storms in the Northeast. I'm quit handy with the electrical wiring in my house and have no issue installing the proper circuit for the ...
0
votes
2answers
61 views

Is it safe to use Extension Cord to Power PC/Routers on already used circuit?

Note: I have very little clue about electricity/circuits so I can only provide info on what I know. The setup: In our upstairs bedroom we have two wall sockets on either side of the room, with two ...
2
votes
1answer
39 views

Finding the cause of a tripping breaker

A 15 amp breaker has started tripping. It takes it a minute or two to trip after being reset. I swapped out the wires with the 15 amp breaker next to it, and the "new" breaker now trips instead, so I ...
0
votes
1answer
90 views

What do I do with the third set of wires in this switch box?

I am wiring in a new light fitting however there are three live/neutral/earth combos, plus a live/white which will be the switch. What do I do with the third live/neutral/earth? (And more importantly, ...
8
votes
1answer
1k 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 ...
11
votes
3answers
33k 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
2answers
62 views

None of the outlets in the kitchen are working

The other day I switched on the garbage disposal and now none of the outlets in the kitchen work. This circuit is GFCI protected from the panel but the GFCI breaker in the panel is not tripping. When ...
2
votes
1answer
33 views

Circuit split within panel

In my main panel I have a circuit where the hot wire is split within the panel. I was investigating this circuit because I am getting a hum from any speaker plugged into an outlet on the circuit. I ...
1
vote
2answers
69 views

Will I have to install new cables when converting from a SD CCTV system to HD?

After a breakin soon after moving into our house, we used our cash reserve to improve security. One of these updates was an 8-channel DVR with four external CCTV cameras. The DVR exposes the cameras ...
4
votes
1answer
128 views

What should I do about old cables that have been damaged?

I was replacing some drywall and noticed the wiring underneath has a couple of surface tears. House is from the sixties, but has been rewired with new Romex, except this circuit. Wire seems to be old ...
1
vote
2answers
135 views

What size breaker and wire do I need to run 2 GFCI receptacles and a flood light on exterior of my house?

Is it OK to use a 15amp breaker and a 14ga wire (14/2 copper) to run 2 GFCI receptacles and a flood light on the exterior of my home? The voltage is 120. The 2 receptacles are rated at 15amps and ...
0
votes
0answers
53 views

How can I determine if my electrical service can support an additional room?

I have a 150 amp service in my home. I recently added a tool room, and would like to isolate that room with its own GFCI breaker. How do I determine if that it is doable? I have perhaps 5 empty ...
1
vote
4answers
357 views

Can a 20 amp circuit have a 14 gauge pigtail directly to one receptacle?

I'm rewiring a a small part of a wall and I'm confused about a combination of the NEC and the products that I'm able to find. I'm working on a 20 amp circuit (with 12g wire of course). I'm ...
10
votes
3answers
608 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 ...