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

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48 views

Cut cord on window A/C

I have a window A/C unit mounted through a hole in the wall. It's bolted in place, so fairly permanent. It has a 6ft power cord with what looks like a GFI on the end. I think the cord is ugly, so I'd ...
3
votes
1answer
128 views

Do I need to ground Ethernet cable run beneath a pier & beam house?

I'm fairly amateur when it comes to home networking, though I get the basic concepts. I bought a 1000' spool of this Cat6 Ethernet cable, simply because it was the only outdoor-rated cable sold by ...
8
votes
2answers
2k views

What are my options for installing 240v receptacles in an attached garage?

My workshop (attached garage) is currently wired with 120V receptacles fed from the main panel in the house by #10/3 with ground (1 black, 1 red, 1 white, 1 ground) attached to a double-pole 30A ...
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votes
3answers
191 views

Does the NEC allow a 14ga branch on a 12ga circuit?

Is it within the NEC to wire ceiling light fixtures with 14ga NM from a switch wired with 12ga NM, where the power originates at the switch and the ceiling fixture is a branch? The breaker ...
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3answers
1k 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 ...
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4answers
2k 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 ...
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1answer
40k views

What wire gauge should I use with a 30 amp breaker for a 220V welder?

I am installing an outlet in my garage for a 220v mig welder. The welder specs call for 30A breaker. The outlet for the welder is only 2 feet from the garage sub panel. The wiring refernece charts ...
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3answers
757 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 ...
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2answers
91 views

What happens if you wire a four-prong dryer cord backwards?

What happens if you get the red and black wires of a four prong dryer cord backwards? This question assumes: we are talking about U.S. Residential wiring the person doing the wiring gets the green ...
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0answers
74 views

How do I wire a new ceiling light from an existing fixture? [closed]

How do I extend electrical service to a new basement ceiling light fixture? I want to extend from a standard ceiling light that is wired as follows: two 14/3 gauge wires enter the box. Both black ...
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2answers
295 views

How do I properly feed coax through an outside wall?

I would like to add a new cable outlet to an outside wall and wanted to find out what kind of drill bit is needed to drill through and feed the coax cable as well as anything else to be mindful of. ...
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1answer
72 views

Fried ground wire

What caused the ground wire in my ceiling fan to fry? When I turned on the fan it "popped" and a spark flew out. When I disconnected the fan the ground wire was blackened.
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3answers
92 views

What's the best way to run a wire from inside my garage to the outside?

I'm installing an underground fence for my dog, which requires putting the receiver inside the garage (plugged into an outlet) and running the insulated fencing wire to the outside where it will be ...
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1answer
66 views

What is the best way to install speakers to interior/exterior of house?

I want to install 4 interior speakers and one exterior speaker, as shown on the diagram below. (S indicates speaker, S (?) indicates 2 possible locations). There is dry wall between the rooms and ...
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2answers
59 views

Where do I attach the earth conductor on a plastic fixture?

I'm replacing some outdoor lights. The old ones were metal, and the earth wire was connected to a screw on the base. The new fixtures are plastic, and there's no earthing screw. Where should I connect ...
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3answers
139 views

Can I wire a Bathroom Fan to two Switches in Parallel?

I want to control a bathroom exhaust fan with a wall timer, and a 24 vac relay. Basically both switches would be wired in parallel. Is this safe to do?
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2answers
181 views

Is there any code for running Ethernet cable (through attics)?

We have an unfinished attic - the insulation-everywhere, step-in-the-wrong-place-and-fall-through-the-ceiling kind. I'd like to run Ethernet cable through the attic. I know for Romex, I'd have to ...
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1answer
1k 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 ...
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2answers
378 views

Is there any NEC code requirement for how far off the floor Category 5 wiring must be run?

I am currently running conduit for Cat5e cable in the home office I am finishing off. Are there any rules in the code for how far off the floor Category 5 wires in conduit must be run?
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2answers
85 views

daisy chain more outlets; wiring

I have an outlet in a bedroom and want to add a couple more outlets in the room adjacent... I'll be running 12/2 wire for the new outlets the problem is that the outlet in going to tap into has two ...
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0answers
54 views

Ceiling fan wall switch issue

I installed a ceiling fan without a light in a location that previously only had a light. The fan has been working well for almost a year, but the wall switch has always had the speeds reversed (0 is ...
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3answers
73 views

How would I wire a 4 position switch?

I work from home in a house with roommates and I would like to set up a light system to let them know if it's OK to disturb me during my work. I was thinking a stoplight system of Red: Do not disturb ...
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2answers
177 views

What is the maximum 12/2 wire length from a 20A breaker to a baseboard heater?

What is the maximum distance from a 220V/20amp circuit breaker to an 2000 watt electric baseboard heater using 12/2? At what distance would it require 10/2?
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1answer
7k 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 ...
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0answers
16 views

What size wire to use [duplicate]

What is the maximum distance from a 220V/20amp circuit breaker to an 2000watt electric baseboard heater using 12/2? At what distance would it require 10/2?
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2answers
11k views

What do I do with the unused wire for ceiling fan installation?

I recently replaced my bedroom ceiling fan with a newer ceiling fan and with the old fan I could: Use one switch on the wall to turn on/off the light Use the other switch on the wall to turn on/off ...
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1answer
201 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 ...
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2answers
96 views

How can I bend wire that is too thick to manage easily?

Such a silly question but please help me! The wires leading to my pool pump are probably 10 or 12 gauge. When i bend them in a loop i cant get them around the screw because there is no give to the ...
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3answers
111 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 ...
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2answers
150 views

How to protect against shock from exposed romex?

In my attic, the truss upright in the picture below is really the only hand-hold available when pulling oneself up the last few steps on the attic access stairs. It has always bothered me that I have ...
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0answers
46 views

Replacement thermostat wiring

I have an American Standard heat pump AC. I'm replacing a White-Rodgers manual thermostat (where I move a switch from cold to heat) with a Honeywell RTH7600 (which will automatically switch from cold ...
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4answers
38k 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. ...
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1answer
218 views

How do you wire multiple outlets between three way switches?

I am trying to put my basement lights onto a three way circuit and can not find any examples of how to wire the circuit correctly. I have power (12/2) coming into a box with a three way switch, then ...
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2answers
174 views

Why would a light switch be wired with the neutral wire?

I'm having trouble installing a WEMO wall switch. The light I want to use it on is a single on/off switch, not a 3 way switch. When I remove the face plate, the neutral wire is wired to the light ...
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1answer
50 views

Wiring a switch to an outlet to control Garbage disposal

I have a gfs outlet with the power coming to it.Can i install a swith next to it to go to a outlet under my sink to power the garbage disposal
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2answers
133 views

Choosing a power supply, breaker amperage and wire size for a 220V welder

I have a new SMAW welding machine (80-250A) and I want to use it at home. I don't know yet how to make an outlet for it. Would it be correct to plug it into an outlet in my house with a 15-amp ...
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1answer
42 views

Problem with service drop

I have overhead wire providing my two phase electric service. The line from the pole appears to be relatively new and the splice connectors appear to be in good condition as well. However, there is ...
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3answers
125 views

How do I wire a switched outlet with the switch downstream?

Can I simply use the same switch loop technique as with a light? in combination with this: replacing the light with the final outlet?
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5answers
3k views

Why is there so much metal-clad wiring in my house?

My house was built in 1893. I was recently doing some electrical work in the attic, adding some light fixtures. While doing that, I noticed that several of the upstairs outlets were wired with old, ...
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6answers
9k views

How should I wire for a security system during construction?

I would like to run wires in anticipation of a future hard-wired security system. However, I have yet to find any information that pulls everything together regarding what is required. From what I ...
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2answers
102 views

What considerations do I need when wiring a string of light bulbs in parallel?

I want to build a hollywood style mirror light for my wife (as pictured below). I'd like it to be powered by mains electricity (230v where we live in the UK), but I understand the bulbs will take ...
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1answer
52 views

I have 2 single slots (left & right) at bottom of panel but using 12/3 wire for two separate runs

I'm learning to wire and have done okay lately, but now I want to tackle adding a Ground Fault Breaker to my panel to power some outdoor receptacles and landscape lighting. I've already run 12/3 (in ...
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1answer
109 views

How to replace existing ethernet wiring in the house?

My house was built in 2007 with ethernet wiring in all the rooms upstairs and downstairs connected to a central fiber optic switch. It looks like they used low grade wiring and I get constant ...
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2answers
139 views

3 wire service to panel… neutral and ground wires on the same bar?

I'm getting two conflicting reports and was wondering if anyone can help me. I was told that on the distribution panel, grounded conductors (neutral) and ground wires need to be separated in the ...
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1answer
94 views

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

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 ...
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0answers
87 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 ...
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10answers
14k 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 ...
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1answer
88 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 ...
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6answers
8k 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 ...
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2answers
108 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 ...