Questions tagged [wiring]

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

4
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4answers
817 views

What is the proper way to convert a pair of three-way (SPDT) switches into a single two-way (SPST) switch?

I'm in the process of replacing some of the light switches in my house with smart switches, Wemo Light Switches in this case. I've had no problem with the replacement of my One-way switches (SPST I ...
3
votes
4answers
1k views

GFCI Problem with Three-Way Switch WAS Two Switches Neutrals Only, Switched Hots Not Used

I replaced an old two-prong receptable with a three-prong GFCI (no ground) yesterday. It won't reset. I found out that "downstream" there is a light on the next level down that is controlled by two ...
2
votes
4answers
248 views

Is voltage on the ground conductor a sign of short circuit?

When we touch the ground wire(!) on some of our power outlets, the tester lights up. Not as bright as when touching the live wire and the circuit breaker doesn't tip, but there is definitely "...
3
votes
3answers
2k views

How to replace a light fixture that has a 3-way light switch

Box] I have a light fixture above a stairwell. There are two live switches that control it, one at the bottom of the stairs, one at the top. The wiring is relatively new about 25 years old (all copper,...
3
votes
3answers
1k views

What's the “correct” way to install LED drivers for accent lighting?

I want to install LED strip lighting behind crown molding in my office. In my particular install, I'm using 3 strips of SMD 5050 RGBW LEDs, which draw about 72 W per strip. From what I can gather, ...
1
vote
3answers
2k views

Confused about wiring outside light fixture with multiple switched wires

I am trying to replace an outside motion detector light fixture that was removed before I bought the house and the only things left were the plastic base in the eave and electrical taped wires shoved ...
0
votes
3answers
134 views

Can I disconnect a dishwasher from a GFI and leave the circuit otherwise intact?

my dishwasher is wired into a GFI outlet under my sink. Can I remove the wires that go to the dishwasher and leave the other wires intact to use the GFI outlet ?
0
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3answers
87 views

reuse hot tub wiring for an EVSE?

I need to install a 240V 40A circuit into my garage. The end goal is to plug in a level 2 EVSE. (maybe it can be a 50A circuit? not sure). I have an existing 50A GFCI breaker hooked up to 6 gauge 3 ...
5
votes
2answers
2k views

How would I ground an internal ethernet surge protector?

I have a Cat-6 cable running to an external PoE security camera that I'd like to have surge protected, but I'm unsure how to ground the protector. It has a prong coming off that I assume is the ground ...
4
votes
2answers
186 views

Why does my light box have 2 cables for this one switch?

Took down a ceiling fixture and discovered what looks like a possible switch loop, except I don’t understand how the connection gets completed with the current set up. Basically, 2 lines coming into ...
3
votes
2answers
3k views

How to connect a 3 wire cable to a 2 wire outlet?

I have recently had a conservatory built and want to wire an internal light fixture that has a live and neutral and Earth terminals. I have removed my old security light and I am left with a cable ...
2
votes
2answers
75 views

What type cable and size should I use for my shop?

My existing overhead wire is triplex 1/0, 2 insulated and one bare. The power company is out of the picture because they do not provide service to a customer supplied pole. My existing wire is at ...
2
votes
2answers
171 views

Checking ground current

Background: I had a contractor finishing my basement, and part of that was installing underfloor heating using several heating mats in parallel. It worked initially but soon after it just started ...
2
votes
2answers
4k views

Wiring a fan/light/Bluetooth fixture

I am wiring a fan with a white/black/green wires. The cable going to the switch box to fan has an extra red wire that was twisted with the black. I capped the red and connected the matched colors to ...
1
vote
2answers
59 views

Where Should the Sub Panel Go? What Size Wire?

Been lurking for awhile getting ready to install a 60 amp sub-panel for my back yard. I have everything I need figured out except for three important items as I get conflicting stories depending on ...
1
vote
2answers
66 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. ...
1
vote
2answers
749 views

Wiring a ceiling light to a switched receptacle

Please note that I am a diy newbie, and the only electrical experience I have is changing out switches & light fixtures. I want to install a new ceiling light to a switched receptacle, and I ...
1
vote
2answers
768 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 ...
1
vote
2answers
204 views

Remove light switch

I have a back room that was converted from a back porch to a room. It has a light switch on one wall that doesn't appear to work anything. I checked to see if it has current coming to the switch and ...
1
vote
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:...
1
vote
2answers
274 views

Need help with electrical wiring for lights

I disconnected my basement light wire by accident. In my spare room upstairs I had no light. I had this wall switch which controlled the receptacle instead. I decided to install a ceiling light using ...
1
vote
2answers
167 views

How can I determine where power enters my bathroom light circuit?

How do I determine if the power source is going right into the 3-gang box of switches, or directly to one of the fixtures (1 vanity light and 1 light/exhaust fan combo)? What is the best way to ...
0
votes
2answers
371 views

What gauge wire for 1HP pool pump?

Have a 1hp 11 amp above ground pool pump that is going to be about 50 feet away from the breaker. Will 12 gauge wire be enough to run it? Photo of the pump can be seen at link below https://photos....
0
votes
2answers
126 views

Can I add a second thermostat in my basement for more control?

I would like to install a second thermostat on the lower floor of my home. My thinking is that when we have guest staying on the lower floor I could turn the upper floor thermostat off and the lower ...
0
votes
2answers
61 views

Bathroom light fixture above sink and ceiling fan/light combo wiring issue

Hey so I'm having an issue hooking up a bathroom light fixture above the sink with a bathroom ceiling fan/light combo. 1) for the light fixture above sink: coming out of the wall there appears to be ...
0
votes
2answers
35 views

Installing fixture and/or receptacle in beadboard ceiling

My porch has a beadboard ceiling that I'd like to install a new fixture in along with a receptacle or two. If this were drywall, I'd just cut a hole and patch it up fairly easily. This doesn't seem so ...
0
votes
2answers
292 views

How do I connect this cables to my surface socket australia

I know red go together and black cables go together. But what do I do with yellow and there is copper out of one black red pair what is that where do I connect that, and this is going to my surface ...
0
votes
2answers
165 views

Brand new oven won't heat

On Wednesday we had new appliances delivered to the house. The installation was included in the purchase price so I let the retailer (not a big box but a well known and regarded local appliance shop) ...
0
votes
2answers
390 views

Replacing bathroom exhaust fan without ground

I'm replacing a bathroom exhaust fan. The previous fan is probably about 30 years old and was not grounded. In fact, the wiring in the bathroom does not have ground. The fan will be mounted to a steel ...
0
votes
2answers
102 views

Single switch controls GFCI outlet and lights

My mother lives in a senior living apartment building. The building and its wiring are at least 40 years old. Her bathroom has one switch that controls both a GFCI outlet (top and bottom) and mirror ...
0
votes
2answers
150 views

Electrical problem with GFCI

I just bought this house, and the circuit in the garage was functioning fine. I have a GFCI and one downstream receptacle on a certain branch. There are other GFCIs on this circuit, but not in line ...
0
votes
2answers
13k 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 ...
0
votes
1answer
616 views

Changing a three-way switch to a two-way and connecting a timer switch to it

I abandoned the idea of connecting this timer (Intermatic) to a 3 way switch. I was hoping to change the wiring to a two-way switch set up, but this didn't work for me. I thought I could disconnect ...
0
votes
1answer
56 views

Cord plug amperage rating for 3-phase machine

If i have 3 phase running to a machine with 35 amp breakers how many amps should my cord ends be rated for ?
0
votes
1answer
734 views

Help with c wire on American standard air handler

there is no"C" indicated. Model TWE040E13FB I have taken pictures of the connections and looked at the wiring diagram however I cannot figure out which wire is any help would be appreciated thank you
0
votes
1answer
2k views

Wiring a Tesla Powerwall into an Existing Solar Install

I've been looking at the cost and feasibility of augmenting my existing 5kWh solar install with battery-backed storage to shift usage of the solar power that I generate to more useful times of the day/...
0
votes
1answer
572 views

Switching 3-phase power between two appliances using a 3-phase switch

In my garage I have an electrical 3-phase dryer. I want to add a new 3-phase air-conditioner. I want to be able to switch between the two of them, by using a 3-phase switch. This way, only one of ...
0
votes
1answer
9k views

Why would a motion sensor cause the light to flicker?

I recently installed a motion sensor light and was called back because the light was "flickering" at half brightness rather than staying on brightly. I tested the power and found good voltage, but ...
0
votes
1answer
964 views

How can I add a C-wire to a Venstar T5800 thermostat?

I am trying to replace my existing thermostat. My old thermostat has: Rh, W (coming from the heating unit). Rc, Y, G (coming from the AC unit). On the Venstar T5800, I can map as follows: Rh+Rc -...
-1
votes
1answer
112 views

How do I correctly identify the purpose of a wire?

I have recently moved into a new home. When I tried to have internet set up, I realized there was no phone/internet socket. I eventually realized that there were four TV/aerial sockets next to each ...
-1
votes
1answer
226 views

Can I combine two separate outdoor lights onto one three way switch?

Currently I have two outdoor lights on two separate switches. I would like to have them both on the same switch and be able to turn on with either switch location. Can a three way switch be added at ...
-1
votes
1answer
137 views

Bed bugs to be killed with 15 KW (70 amp) saunas and 6 box fans…What wire to use?

I bought a rental house with bed bugs. I want to hook up 2x 15kw saunas and 6 box fans (1100 CFM) to move the hot air. The saunas will heat the house up to 120 F and hold it at that temp for at ...
-1
votes
1answer
4k views

How do you wire a light fixture with only black and white wires?

How do you wire a light fixture if from a light fixture that was already there and I have a white wire with smaller wires inside to use to install. The 2 wires are black, and one white wire. Why isn't ...
-1
votes
1answer
568 views

How do I wire 3 way switches?

For cosmetic reasons, I've been replacing the switches and outlets in my house (from beige to white). It's been going well until I ran into two 3-way switches in a hallway that turn off and on one ...
-2
votes
1answer
579 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.