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

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37 views

power distribution loss of negative on 120v circut

If you loose the negative wire on a 120v circuit, can you use the negative going to a different circuit breaker panel supplying power to a different part of the building if the load is not high on ...
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1answer
50 views

20amp breaker trips with NO load…Continuity between black & white wire at electrical box

I have a 20 amp breaker that connects to one wall in my kitchen. It operates 3 outlets, a microwave and two other outlets used for a toaster oven & the last a blender. On the blender outlet ...
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18 views

Replacing light

Hello I am changing a wall sconce and upon removing it I noticed I have two black (hot wires) and 2 neutral wires coming out from the electrical box.The light that was on the wall had 2 lights. One ...
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1answer
21 views

choosing a programmable thermostat: wiring and power

I want to replace my non-programmable RobertShaw 9500 thermostat with a programmable thermostat. The current wiring uses these terminals: RH, W, Y, G. With that set of wires, can I get a ...
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19 views

Why does kitchen light go off after 2 minutes

My over the sink kitchen light shuts off after 2 minutes. It was a recessed can light doing this. I thought it was the fixture so I replaced it with a drop down light using a cfl bulb and it still ...
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1answer
2k views

Why are some submersible well pumps wired with solid and others stranded?

I was helping a friend change his deep water well pump which is rated at 220 volts AC,3/4 H.P. Most of these I have seen are wired with three yellow wires that run from the pump to the pump switch on ...
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2answers
13k views

Should I use 12/2 or 12/3 to wire a 220V electric baseboard heater and thermostat?

When I bought my baseboard heaters, thermostats and 220V breakers I was advised to get 12/3 wire. When I attempted to install the heaters I found that the thermostats, heaters, and even breakers have ...
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2answers
97 views

How should I replace a 6 wire, 12 gauge electrical outlet?

I am trying to replace a 15A electrical outlet. The existing one is attached to 12 gauge copper wire. There is a ground connection, one set of wire on the bottom screws, two sets of wire going into ...
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3answers
156 views

How can I tell where the other end of the conduit is?

We have a house with a lot of 2-prong outlets I'd like to replace. They're all fed by conduits. Multiple people (in real life and online) have told me that replacing them is easy: "Just fish the ...
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1answer
108 views

What do I do with the neutral and ground when wiring a transfer switch?

I know there are a lot of questions about wiring a generator to a home electrical panel, but I can't find the answer to the questions that I have. I would like to wire a generator that has the ...
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14 views

Add water pump to outdoor fountain

Right now the question is how to run power to the pump. I have an outdoor fountain about 10 to 15 feet away from an outdoor outlet. In between the outlet and the fountain is a brick patio. The ...
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1answer
114 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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42 views

Wiring a switched PIR light outside on 2 core t&e?

My builder has incorrectly fed 2 core and earth from the switch inside to where the light will go outside (and made good). I was planning to buy a outdoor light with a PIR sensor and have the switch ...
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4answers
6k 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, ...
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1answer
271 views

Which terminal should be used for a “C” wire when none are labeled “C”? Older electric furnace/heat pump

I have an all electric air handler/furnace connected to a separate AC unit and it is also a heat pump. I've purchased the latest and greatest Honeywell WiFi "Smart" Thermostat and it needs a C wire. ...
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70 views

Furnace not working properly with digital thermostat

I have been attempting to use several different types of digital thermostats to replace my old mercury thermostat, however none of them are able to control the furnace properly. All of them are able ...
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2answers
56 views

Can I replace a junction box with a piece of conduit if I rewire the circuit completely?

I have a bathroom where the fixture was moved. Can I remove an old junction box if I use conduit joiners to splice in a piece of conduit ? I plan on rewiring the fixture from the switch after.
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1answer
272 views

Wiring to a detached garage

I have a detached garage approximately 50' from the house supply panel. I want to wire 6 outlets & maybe 2 overhead lights. I will have no heavy use, mainly 1 outlet & overhead lights. I have ...
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2answers
118 views

How do I wire up a 4-wire dimmer switch when I only have two 2 wires from the wall?

I'm replacing (yet again) my bathroom dimmer switch. The old switch had 3 wires: 2 black and one green. The two black wires were attached to the wires coming out of the wall and the green wire was ...
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5answers
16k views

Can different gauge wiring be used in the same circuit?

I am extending a lighting and outlet circuit in a basement. The current setup has the following characteristics 15 amp. circuit breaker (200 amp service) 4 existing lighting fixtures using CFL bulbs ...
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7answers
6k views

How can I run a coaxial cable into an existing single gang electrical outlet?

The cable outlet in my girlfriend's living room is in a strange place. She wants to move her TV to a different wall but the landlord doesn't want any new holes in the wall or floor. If the wall was ...
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1answer
77 views

What should I do if wire gauge is too large to fit into a screw terminal?

First time poster here. I am working on a robot controller that requires mains power. I was provided 10AWG wire (the unit recommends 14-10AWG, and this is National Electric Code FTR). I took out the ...
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2answers
114 views

Should electrical wiring be placed above or below plumbing pipes

I'm putting a bathroom in my garage/shop. I'm going to have to run wiring and water supply plumbing through the same walls. should I put the wiring above or below plumbing?
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49 views

What should I do about nonmetallic sheathed cable that was wet?

The wire running to my dryer (240V) got wet from a leaking AC window unit directly above on second floor and tripped the breaker. I saw the ground wire paper was damp after removing the outlet cover ...
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1answer
45 views

How can I wire switch to convert a regular outlet to half switch?

I have a junction box with 2 switches: - Right switch controls the ceiling fan. - Left switch does nothing, but the black(hot) wire is labeled "Fan". The white neutral wire is not attached. I'm ...
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2answers
7k views

Why do my LED lights flash on cold start?

Whenever I flip on my dimmer switch, all four dimmable LED lamps flash on in unison, blink off, and then come on at the selected dim level. This happens even with the dimmer slider maxed out, so it's ...
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3answers
698 views

How do I rewire LED security light to bypass motion detector - without burning out solid state board

I purchased a deluxe motion activated light for my porch. I assumed that there would be an override feature to bypass the motion sensor for manual operation; after a few days and nights of various ...
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1answer
91 views

How to install ceiling light where there previously was none?

I want to install ceiling lights in two upstairs bedrooms in my house. There is a light-switch on the wall that turns power on and off to one of the electrical outlets. I would be perfectly happy to ...
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2answers
45 views

Does it matter where is live and where is neutral when wiring an electronic ballast?

I just bought a new electronic ballast to replace the old one for my florescent lamp. However, the connection diagram on the ballast does not indicate where I should connect the live and neutral ...
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1answer
66 views

How do I wire a GFCI switch/outlet receptacle?

I'm replacing a switch with a switch/outlet (GFCI) in my bathroom. The switch will control the bathroom exhaust fan. Currently I only have two wires to work with (hot & neutral...no ground). ...
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1answer
88 views

Are these three-way switches?

I have 2 bedrooms and I want to replace the light switch for a dimmer. I though it would an easy job for a beginner like me but after I opened the first switch, I realized there was a 3 wires (I was ...
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1answer
39 views

Three-way switch problem, potentially faulty

I have a fairly specific question related to three-way switches. While I understand in principal how they work and how to wire them (I think anyway), my specific wiring is not generating the expected ...
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2answers
22k 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 ...
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72 views

Adding USB Dual Port Charger Receptacle Blows Mains

I purchased a Hubbell "USB Dual Port Charger with 15A Duplex Receptacle" from Lowes to replace the duplex receptacle on my kitchen island. I first opened the circuit labelled for the island. The ...
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1answer
33 views

Can I use these replacement ballast even though the yellow wires are on the opposite end?

I am trying to replace a ballast for my garage lighting. I removed the old one but there are absolutely no markings, numbers, diagrams or anything on it. It is a 2 lamp 120V fixture with 40W T12 ...
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3answers
4k views

How do I wire a GFCI receptacle using two black wires and two white wires?

I recently purchased an older home and wanted to install GFCI outlets in the kitchen. When I opened up the outlet, there were four wires (two black and two white) in addition to the ground. I ...
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1answer
47 views

Is a weather resitant gfci required outside in a metal box with in use cover?

I have a pool that is just off my deck. The gfci i have went bad so i need a new one. It was a 15 amp gfci in a metal box attached to 1/2 in emt conduit with a metal box and a non in use cover. Thi is ...
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0answers
51 views

How to wire an in-celing recessed projection screen

So, I have a in-ceiling recessed projection screen. This sits flush to the ceiling so all projection screen box lives permanently inside the ceiling. However, odly, it ships with a 3 prong electrical ...
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1answer
91 views

Wiring GU10 Sockets: Cables are of same color - which one should be “live”?

Question: How can I know which cable should be "live" and which one should be "neutral", or does it not matter? (GU10 socket).
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2answers
65 views

Pre-Romex AC circuits to DC for offgrid Solar

We live in a rural 250 year old colonial that was wired for ceiling and wall sconce electric lights sometime in the mid-1940s. In the early 70's outlets were added, then updated to Romex when a ...
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2answers
314 views

How to wire Two dimmers controlling a string of recessed light?

Refinishing my basement and have an open ceiling at the moment. I have hung 12 recessed lights and connected them in 3 groups (groups of 2, 6 and 4 lights) using 14/2. I then ran 14/2 from the start ...
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5answers
47k 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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74 views

How do I wire a GFCI with 5 wires?

How do I install a GFCI receptacle with 2 black and 3 white wires plus a ground? I have two such regular receptacles next to sinks and should replace them before the upcoming home inspection, please ...
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11answers
19k 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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3answers
23 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.
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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 ...
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1answer
590 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 ...
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270 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 ...
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1answer
147 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 ...
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6answers
11k 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 ...