Questions tagged [wiring]

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

416 questions with no upvoted or accepted answers
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48 views

Simple light switch wiring isn’t working

I have power coming into box from black and white wires. When wiring black to light switch and white to white leading to fixture, the breaker goes every time. When wiring the two whites together ...
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52 views

Can armored cable cross over a drain pipe?

My electrical system uses the armored cable sheathing as a ground path. I was placing some lines of AC in my walls, and I uncovered a drain pipe in the way. At first, I covered the AC with ...
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39 views

How to wire an entire room / kitchen with LED light strips?

As the question suggests, I'm looking into adding LED light strips throughout the kitchen (over cabinet, under cabinet, and kick -- I think under the countertop would be neat, but harder to hide). ...
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1answer
104 views

How should I connect a ceiling fan with four 12/2 cables coming in?

I had a detached garage built. The guy who ran the electrical is not available and I am having some trouble with how he ran the wiring for two ceiling fans in the loft area. There is one switch (...
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1answer
72 views

Wiring a new shop advice

I am having a new shop built on Friday.The shop is located 250 feet from my power meter. For a 240 volt 100 amp service in the shop, the online calculator says I need 2/0 AWG Aluminum or 1AWG copper....
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1answer
82 views

Swapped out light switch and now WIRES have no power?

We’ve been swapping out all our outlets and switches in our house....with minimal problems until today. In our living room we have a dimmer switch on one wall that controls our overhead light. On ...
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1answer
26 views

Switching from a Mercury Switch Thermostat to a XT500C Thermostat

I only have a white, red, green and yellow wires, from my old thermostat. I see multiple Red wires... where does a single red wire go... to the R connection...
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53 views

Bad Portable AC Unit Plug Circuit

Model: LG LP1414GXR The unit was running fine but it appears the plug circuitry overheated and went bad. Is it okay to replace the existing plug by cutting it off at the end and replacing it with a ...
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1answer
92 views

Probably “orphan” hot lead

So I decided to replace the ailing motion sensor light on the garage eave of my nearly 50 year old split-level. I have replaced motion sensor lights several times in my small barn, but all the ...
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1answer
300 views

Why is neutral wired to ground at this switch?

I was looking to add an outlet near my light switch in the garage. When I opened the box for the switch I noticed that the neutral is wired to the ground. In the picture of the switch, the top wire ...
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58 views

Can I provide low-voltage power for an HVAC humidifier from a standard outlet?

I recently bought an Aprilaire humidifier to replace an old one that came with the house, which I thought was broken. After connecting the water (which does work and isn't clogged) and the wiring to ...
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1answer
50 views

Wiring Lights with Independent switches

I have a set of hallway lights with two 3-Way switches. Currently the power source enters at one switch, then the wiring traverses through each of the lights and then terminates at the other switch (...
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162 views

Flickering lights on same switch

Hello I’m curious about possible causes for the following scenario: I have two lights on a three-way switch and they flicker every once in a while. Tonight they started flickering quite violently (...
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281 views

Gas stove trips GFCI outlet

Any ideas why a LP gas range would suddenly start tripping GFCI breaker when the oven turns on? Should i be looking for a short somewhere and if so, where?
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34 views

How to wire this to Levinton IPS02

I have been trying to wire this to a motion sensor switch, but after turn back on the power, the sensor is blinking, but the lights won’t turn on.
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91 views

Power options for alarm keypad

I'm installing an alarm system and I'd like some help figuring out the best way to provide power to the keypad. The keypad uses a micro USB cable for power. I want to mount the keypad on one side of ...
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99 views

Why is one leg of my dryer circuit dead?

This last weekend I was working outside when the lights went out from a tripped breaker. A house guest was running a blow dryer and personal heater in the bathroom and the house is much older so given ...
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2answers
68 views

Outlet wiring & single pole switch

I have a 10 x 10 bedroom. One single pole switch, four 15 amp outlets sitting on a 20 amp circuit breaker. Each of the four outlets (typical double receptacles) -- 1, 2, 2, 3 and 4 are "hot" i.e. ...
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89 views

I want to hook up two lights and two separate switches

I want to hook up two lights and two switches. There are three cables. One has three black wires, the other two have one yellow wire and one black wire each. I'm assuming that one of the cables with ...
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1answer
71 views

Fix issue with 2 independent lights on single source

I inherited an electrical conundrum. In particular, two hallway lights on the main floor and upstairs, sharing a circuit and each independently controlled by two switches, both on the main floor. ...
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1answer
47 views

Help getting switch working properly

In our garage we have a switch that controlled a light in the ceiling for a small laundry room. I have torn out that room and, in doing so, removed two lines coming down from the garage attic. When ...
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1answer
225 views

Old Thermostat with just R and Y wires?

UPDATE: this may be R and V, not R and Y, although I'm still not sure how it was set up. I am replacing an old thermostat in my house (the house is from the 60s, I'm not sure how old the thermostat ...
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23 views

How to Run Fan Only with Thermostar Furnace With G Wire

I have a Thermostar Furnace that works great for Heating our home. We do not have AC and do not want that. But, we do want to be able to just run the fan without heat. The W and RH wires were ...
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145 views

Protect electrical wiring between drywall and brick fireplace

Following the question at Frame drywall around brick fireplace I would like to figure out how to protect the electrical wiring and other wirings (HDMI) from the top down in middle of the fireplace as ...
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311 views

Where should I connect my C wire on Goodman GMP075-3 Rev.B

I am trying to install an ecobee4 to replace a digital battery powered thermostat. I removed the existing thermostat and found that there was a spare blue wire that was wrapped around the others that ...
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16 views

Do I need to replace the thermostat wiring leading to my boiler?

I have a boiler in an old building with four different apartments. There are two thermostats that call for heat from the boiler, and valves that direct the hot water to the respective part of the ...
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45 views

Wiring a ceiling light to a ceiling fan box: what about ground?

I've only installed pendant lights before, and they came with a bracket with a green screw for grounding, so it was pretty simple. Now I'm trying to install a ceiling light that just has two wires to ...
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55 views

Ceiling fan wire if confusion

I’m trying to install a new ceiling fan. I’m having a bunch of difficulties. There are two wall switches that control the lights. Out of the ceiling there are 5 wires a ground bare copper 3 white one ...
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1answer
558 views

Can I connect a Lutron Caseta switch to a half hot outlet?

I recently installed a Lutron Caseta (PD-6ans) switch that connects to a half-hot outlet. I noticed there is still a trickle of electricity coming out of the switch even when it's off. Enough to make ...
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44 views

Wiring An RV, AC/Generator/24v DC existing

Woo here I go. Wiring up an RV as a type of Mobile Office. Need to run: 6 High performance computers that can draw ~500 watts each, 3000 watts total 6 32" TV Screens, ~20 watts each 120 Watts total 13,...
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46 views

testing a 220 volt baseboard circuit

I have a baseboard heater in an older cabin and i want to replace the thermostat. Its a two wire thermostat and inside the box there are two insulated wires (one black and one white) along with a bare ...
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1answer
118 views

Ceiling fan electrical wire confusion

I was planning to replace an existing ceiling fan. The photo shows the current wiring situation after removing the old ceiling fan. The Neutral wire is alone, I’ve pulled it off to the side and taped ...
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88 views

fix crack in conduit outlet body

Hi. A landscaper putting in rocks moved the conduit pipe and caused a crack in this PVC conduit outlet body. I assume I can put caulk or something similar over the crack, as opposed to replacing the ...
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50 views

Waterproofing outdoor wire splices and receptacles

It seems that the NEC requires wire splices to be UL486D listed when used in outdoor (generally damp or wet) locations, similar to the requirement for THWN or other wet-rated wiring. Why are special ...
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1k views

Furnace Mainboard wiring with AC unit

I went to install a Nest on my upstairs HVAC unit. After installing the Nest I thought it was functioning properly. The next afternoon I came back to the house It was still hot, so looking into this ...
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239 views

Replacing 2 pole switch with 2 single pole switches to control a fan/light separately

I have a switch (Double pole / One throw) that controls the ceiling fan and light in my master bathroom (B1). I'm considering to replace it with two single switches, so I don't need to turn the light ...
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386 views

Feit receptacle with USB ports trip GFCI

I replaced a standard dual 120V outlet at the end of a kitchen counter GFCI circuit with the Feit dual 120V with 2 USB Ports. I taped over the outlet screws as I'm pushing it into a metal box and a ...
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55 views

Can I replace this switch with a 3-way switch?

I want to replace the on/off switch for our attic fan, and this is the only switch in the house that I’m aware of that operates it. The wires are red, white, and black. Will a traditional 3-way switch ...
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1answer
499 views

Is my Nest thermostat wired correctly?

I've been having issues like the heat pump not heating. Now that it's hot outside, my A/C isn't working. Can someone tell me if my Nest thermostat is even wired correctly? If it helps any, here is ...
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2answers
801 views

Installing thermostat - No C wire or C terminal available on furnace

So I've looked through many posts all over reddit and other websites but it seems every furnace is slightly different. I am an early twenties guy who doesn't want to burn down his apartment. If ...
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45 views

Lennox G20 furnace

I was reading about using the T terminal for the C wire for internet thermostat. I have different wiring Thermostat Furnace RC R W. W Y Blank Rh T G. G ...
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167 views

Why don't my lights work after I added a GFCI outlet to the circuit?

I replaced an old outlet with a GFCI outlet in my bathroom. I know that I've installed it correctly because I've tested it with a night light. But I can't get the light fixture above my vanity to ...
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66 views

Is this line voltage thermostat sufficient?

I'm replacing a bad Aube line voltage thermostat for my electric baseboard heaters. I liked the model, so I purchased what I thought was the same one - however I missed a letter in the model. What I ...
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1answer
166 views

Why is this odd 3 wire light not working?

I have a very odd light problem. We took down the ceiling to move a light. We have two switches in the dining room that control two lights. After moving the one light, I tested the light I moved and ...
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174 views

Randomly when opening my fridge it trips other breakers such as dining room

At random times when opening my fridge doors it will trip my dining room lights or kitchen lights. Or if both of those are off it will trip my bedroom lights. It’s very frustrating. Local electricians ...
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64 views

Smart Thermostat (Nest, Honeywell or Ecobee) from KMC wiring?

I moved into a 1br condo recently and was looking to update the thermostat to Nest (or other Smart home thermostat). The current thermostat model is KMC and when I took off the casing, the wiring does ...
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162 views

How should I connect two lighting switches in a double-gang box?

For my current project I am attempting to install a single pole dimmer switch alongside a 3 pole dimmer switch. The single pole controls a set of sconces on the wall while the 3 controls the ceiling ...
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2answers
2k views

Installing Nest 3rd generation thermostat from Old Trane Weathertron Thermostat (Mercury one)

Nest is not detecting Power (Rh) Showing error that power is not connected. Please help. Installing Nest 3rd generation thermostat from Old Trane Weathertron Thermostat (Mercury one) New stat wiring:...
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77 views

Use of the ceiling fan's red wire

Can I use the unused red wire in the wiring from my ceiling fan to power a light in my attic space? Leaving the switch wiring the same (meaning i could turn the attic light off and on via the fan ...
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117 views

Installed smart switch but nearby circuit keeps breaking

I just installed a smart switch (Leviton Decora) in my garage and the switch works fine. But I soon noticed that the circuit controlling outlets in the closest room to the garage keeps breaking. I ...