Questions tagged [wiring]

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

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5 views

Two 14/2 source cables connect to one 12/3 cable

First time poster - looked all over the interwebs but couldn’t find an answer. So I have an old house - somebody (licensed electrician? I can’t be sure) did some electrical updating. What I have is ...
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1answer
63 views

Diagnosing connected circuits; dangerous?

We fairly recently bought a c. 1907 house with a mess of wiring, some probably dating back to the 1940s. (In Canada, so 120 V.) Most of the circuits have no ground wire. I was trying to install a GFCI ...
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22 views

5 hp air compressor wiring

5 hp 80 gal 208/230 volt air compressor, amps 18.6-17.5, LR amps -95, KW- 2.98 Located 80-100 feet from panel--looking for wire size and breaker size thanks John
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1answer
60 views

Can I add cords to recessed light fixtures to make them portable?

Imagine one of those 4ft led shop lights with a 6 foot plug-in cable that you can get from anywhere. If you had a basement with finished walls and floors but an unfinished ceiling with electrical ...
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2answers
42 views

Any reason not to put a structured wiring enclosure directly next to the house main breaker box?

I'm adding CAT6 networking to my house for higher speeds plus some POE cameras. I want to put the cable modem, switch and camera DVR in a metal structured wiring enclosure. The best place is the the ...
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Best way to install Emporia Vue Gen2 energy monitor OUTSIDE load center?

The pictured energy monitor is designed to be installed inside a load center. I want to install it outside, on the wall next to the load center. I have not shown all the signal wires that plug into ...
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4k views

I need 30 amps in a single room to run vegetable grow lighting. How to accomplish?

I have an 1800sf home with a 200amp service. I want to convert family room into an indoor vegetable growing room. The lighting (which will be on as much as 18hours/ day) will need 3.8amps each and for ...
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1answer
2k views

Fan coil wiring problem with new thermostat

I'm trying to upgrade to a new line voltage thermostat. The new thermostat has many more connections, including three fan speeds. My current system has a manual fan switch on the wall so all I need ...
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2answers
294 views

How can I make an outlet controlled by switch always hot?

I currently have a receptacle controlled by a switch that I want to make constant hot. There are other receptacles in line as well, that are constantly hot. I opened the receptacle and am lost (not ...
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1answer
65 views

Connecting 4-wire supply to 3-wire outlet for bathroom fan timer switch

I am aware that there are similar questions on this site. However, because this is about electrical wiring (in the bathroom to boot), I want to make sure I am doing things correctly. I am attempting ...
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2answers
63 views

Dead circuit / outlets

I have a handful of electrical outlets that went dead. I have a Kolsol F02 wire locator that I used to identify the circuit breaker they are on, and it seems like I have connectivity from the breaker ...
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1answer
41 views

Why doesn't my remote-controlled ceiling fan turn on?

I just installed a new ceiling fan. When I turn on the switch on the wall, the light on the fan turns on. But when I try to turn on the fan (which needs to be done with the remote), I just hear a ...
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1answer
161 views

Strange wiring in outdoor flood light. How to explain why previous “electrician” did it this way?

The floodlight in the back of my house doesn’t work, I also have a handful of mystery switches so I figured I would open up the fixture and make sure it was wired right (or at all, I’ve found a ...
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0answers
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Thermostat T694B replacing with Honeywell SuitePRO TB6575A1000

I am replacing a Thermostat T694B with a Honeywell SuitePRO TB6575A1000 in an apartment building with switchover heating/cooling, so presumably two-pipe system. Button-wiring mapping: Lo: 1 Med: 2 ...
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1answer
79 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
30 views

Can I run low voltage undercabinet lighting wire under overhead microwave oven above the stove

I would like to run low voltage undercabinet lighting wire (in PVC covering) under an overhead microwave oven above a gas stove. Otherwise, I would have to drill many holes in the cabinetry to go up ...
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4answers
137k views

Wire guage needed for standard stove/oven combo

I am running wire for a standard Kenmore stove/oven and wire for a stackable washer dryer unit. Both runs are less than 50'. What amp breaker and guage wire is needed?
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Need help identifying this old style fuse box

I’m in the middle of replacing this 30 amp fuse box, but I’m not sure if this is that safest way to just replace with the same fuse box or if they even make it to this day.to be honest it looks over ...
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2answers
58 views

How do I porperly identify which sensor wires are which for my pre-wired garage door openers?

I am going to install 2 garage door openers and I'm stuck on wiring the sensors. For each garage door I have 1 x 22-2 wire on one side of the door and 2 x 22-2 wire runs on the other side of the door. ...
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2answers
420 views

AC can only go one direction

I'm currently sending grid power from my house to a shed, and I'm now trying to send solar power from an inverter back to the house. I'm confused because the house can power the shed (120V AC ...
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1answer
68 views

Where would I connect the C wire in my HVAC system?

I'm upgrading the thermostat with a Eco Bee WIFI one. Where do I connect the C cable? (Rheem 15 to 20 years old.)
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1answer
89 views

add pilot light parallel to switch downstream from load

UPDATE: I used incorrect nomenclature in a couple places, and I made a couple assumptions that are not wise assumptions to make. Original answer is below, corrections here. I'm thinking the question ...
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2answers
40 views

Where is the grounding in this fixture box

We are replacing a light fixture and I removed the old one and am having trouble understanding the grounding here. There are 3 twisted together copper wires up there that you can see in the photo. Are ...
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2answers
40 views

THHN use with Blue Plastic Romex Connector Switch/Outlet Boxes

I extended my patio, added a pool, and a pool half bath (CMU construction) and now I am getting ready to wire it all together. I planed to use 4 blue plastic boxes (1x 4 gang, 1x 2 gang, & 2x ...
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4answers
5k views

Why is my voltage dropping with load and why is current flowing on my ground wire?

I am not an electrician, but I've been researching a lot recently to try and figure out why my system is behaving so strangely. Main problem: Lights flickering, sometimes quite severely, and ...
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1answer
42 views

Repurpose old compressor

I recently came across someone who was throwing away an old craftsman air-tank and compressor. They claimed the compressor did now work anymore as it would never build pressure. I had an old ...
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1answer
8k views

Honeywell RTH6500 WiFi Thermostat wiring questions for a heat pump

I'm trying to install a new Honeywell RTH6500 thermostat on an old heat pump system that has regular plus emergency heat and the closest matching diagram says to put both the white "W2" wire and black ...
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1answer
112 views

Separating 2 Light Switches (1 is a 3 way) Hardwired Together

I have 2 light switches (in one box) in my laundry room. The one switch is a 3 way which operates the light in my garage (just behind the laundry room). There is only 1 switch to the laundry room. I ...
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1answer
85 views

Why do my outlets show 80 volts?

The six outlets in a bedroom suddenly show a voltage of 80 and lights do not work. Everything was functional before. The breaker does not show anything unusual. Last month we rewired a bathroom which ...
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5answers
8k views

Techniques for putting ends on RJ45 connectors easier?

I've been doing a bunch of cat 5 running lately. I've been putting RJ45 ends on everything I run. I'm finding it is still not that easy for me to get the little wires into the connectors. Do any ...
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1answer
68 views

Light switch not working when grounded

I have a light switch connected to a split outlet (one always hot, other controlled by light switch) that appears not to work when the switch is grounded. To be clear, the switch no longer routes ...
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1answer
18 views

How do I disconnect a garbage disposal wall switch?

How do I eliminate a wall switch to the garbage disposal? I’m getting new countertops, sink and backsplash.The new garbage disposal will be operated with an air switch. When tiling the backsplash, can ...
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1answer
36 views

4yr old heat pump doesn't label 24v C wire

I'm used to the gas furnaces, and I still want to swap out this 4 year old heat pump, but it would be too expensive. I recently bought a smart thermostat to try and help with the utility bills, but it ...
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1answer
57 views

Roughed in electrical wire tucked in the ceiling by builder/electrician

When I was checking my unfinished basement I found two very long wires being folded/tied and left between joists by the builder/electrician. What are they and how to find what are they for? Each wire ...
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1answer
19 views

Fan wiring no switch, only using humidity sensor for control

Putting in an exhaust fan for a bathroom that did not have one previously. Purchased one that has a humidity sensor and was looking to use that for the sole means of control (dont trust the kids to ...
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2answers
394 views

Switch designed to take #14 only

I am using a 15 amp rated switch that only has 14 gauge stab in connections. The house is wired with #12 with 20 amp breakers for the lighting circuits. If I made #14 THHN whips that would stab into ...
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2answers
50 views

Can a dimmer switch be used in this circuit?

An existing circuit in a bath (in TX) has the following diagram. Can the 3-way light switch be replaced by a dimmer switch (without changing the wiring)? Does the other 3-way switch need replacement ...
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2answers
672 views

Can I plug a 13A washer machine into a 20A power source?

I recently bought a 2nd hand washing machine, when it was delivered there was no plug attached, just the standard 3 wires and a wire holder. I pulled the plug off an old power strip and attached it ...
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1answer
4k views

Bathroom Fan with Humidity Sensor Wiring Question

I just purchased a new fan for a bathroom with an in-fan humidity sensor. Here's the installation manual. The fan has 6 wires coming out of it: 2 black, 2 white, 1 brown, and ground; the brown is ...
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38 views

Can you split a 3 phase outlet

To be clear. I have a 3 phase outlet, that a commercial oven is plugged into, and want to make another. Can I run wire from the existing plug/outlet and make a new plug/outlet from it. With the ...
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1answer
30 views

Changing pull light switch

I have a faulty pull light switch from a house built in the 1970s. When removing the casing i find 3 pairs of wires - please see picture. This switch controls a light and also an extractor fan. The ...
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1answer
53 views

GFCI tester shows fault, but everything is working

I have a GFCI outlet and when the GFCI tester is plugged in, that shows this error code when it is tripped: greater than 30VAC, and open ground, open neutral. I’ve replaced the GFCI, but I still get ...
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2answers
146 views

What to do with ground wire in light fixture?

I’m installing a light fixture that has a white wire, a black wire, and a ground wire. The ceiling where the new light fixture goes only has a white wire and a black wire (hot). It doesn’t have a ...
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8answers
82k 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 ...
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1answer
2k views

Can I use Multi-Cable Staples to run wire horizontally?

I am running 5 or 6 runs of wire in my attic and thought I would use the Multi-Cable Staples to give myself more room. Here's a picture of what it looks like: They definitely seem strong enough to ...
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0answers
86 views

At a wall socket, is using thin wires at ground pin dangerous?

I paid a hardware shop owner to modify my wall light switch to socket for my washing machine in bathroom. The power in my area right now is 3 phase 220V AC. At first it is a switch. Then we modified ...
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1answer
22 views

Wiring a ceiling light

I've just changed the light fixture in my living room, but I forgot to take a photo first. I have two cables coming through, each with a red, a black, and a green wire in it. A wire had a red sleeve ...
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1answer
83 views

Electricians, do you see any problems with this wiring diagram for power at light shared between independent light groups?

I'm looking for input on the safety and code compliance of the wiring plan i've detailed, shown in the photos below. Description of the broader project My jurisdiction is subject to the 2014 NEC. I'm ...
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2answers
56 views

Correct wirenut?

Do I have the correct wirenut to connect my HOUSE braided aluminum neutral to my NEW OVEN white neutral and green ground? NONE of my NEW OVEN wires are copper, theyre all gray-colored... is this ...

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