Questions tagged [wiring]

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

663 questions with no upvoted or accepted answers
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6answers
1k 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 ...
4
votes
3answers
295 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 ...
3
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0answers
55 views

How is an air handler's fan controlled if its control board doesn't have a G terminal?

Background I have a 2-stage cooling heat pump unit from Bryant, installed ~2006 (central Florida): Condenser model 698BNX048-B Handler model FE4ANB006 Shortly after moving in ~5 years ago, our evap ...
3
votes
0answers
136 views

USA: What is a code compliant method of running 12/2 through wood ledger board and into outside junction box?

I need to run one circuit of 12/2 from the basement (ranch house) up to the attic and then outside via the ledger board of the roof over my deck. Should I screw a short nipple into the back of the ...
3
votes
0answers
57 views

Can someone assess my original thermostat's wiring setup?

This is a new world for me, I haven't messed with circuits since physics 101. When I watched a quick youtube tutorial on setting up my Nest E, I thought it'd be a simple "move wire in old C, to new C ...
3
votes
1answer
945 views

Sub panel and ground rod installation: “high differential potential between the ground locations”

We have a dock (fixed-pier) that is about 40 feet from the house, and +100 feet from the main panel. 4-wire (2 hots, 1 grounded neutral, and 1 ground) run to a large junction box at the start of the ...
3
votes
3answers
5k 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
1answer
343 views

Install recessed lights and chandelier with 3-way switches

I am remodeling my entry way and dining room to give a more open feel. Existing: 15 Amp breaker 12-2 Feed directly from the box two gang box outside of the kitchen 1 standard switch and 1 three ...
3
votes
1answer
607 views

New Thermostat installed but compressor comes on immediately

I have a new Insteon Thermostat that I'm using to replace my prior Honeywell t-stat. This is installed to a relatively new HVAC system (both AC and Heat) that DOES have a "c" wire. I've attached the ...
3
votes
1answer
309 views

How do I install a SensaSwitch on a 3-way circuit?

I recently purchased a SensaSwitch, Manual-ON / Timed-OFF (PDF of instructions) and I cannot install it in such a way that it performs as I desire. I have a switch at the top of my basement stairs and ...
3
votes
2answers
6k 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 ...
3
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4answers
2k 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
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0answers
68 views

How do I add a Leviton dimmer switch in this circuit?

I'm trying to add in a dimmer switch where I have two 3 way switches and one 4 way. I've included a schematic of what I have. How do I make this work? One difference is the 2 wire out of light to the ...
2
votes
0answers
68 views

Dead kitchen outlets

I have 6 dead daisy chained outlets in the kitchen. Continuity test were good on the receptacles so it’s a wiring issue (no wire nuts seen in #1 to #5 electrical boxes). Resetting 6 GFCIs did not ...
2
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0answers
32 views

NM cable routing to panel backboard / side of the service panel. Take 2. Any NEC 2017/2020 concerns?

Going off of my previous question, I wanted to get a confirmation the below is compliant with NEC2017/2020 for connecting NM cable to a main panel. I have used a length of 12/2 NM cable to show how I ...
2
votes
0answers
45 views

Changing Weathertron to Honeywell Thermostat

I have a GE Weathertron (model 3AAT80 1A1/2A1) that I want to switch over to a Honeywell (RTH6360). Most of the wiring seems straight forward, but ... R (Weathertron) to R (Honeywell) O ...
2
votes
1answer
75 views

2 wire thermostat wire want to be able to select fan only

I have an older furnace with only 2 wires at the thermostat "white and red". No issues at all with my system works as should. Thermostat is new Honeywell basic model not smart. I want to ...
2
votes
0answers
64 views

No power to entire circuit after adding a single receptacle

I was just adding a receptacle to one of my electric circuits. Once completed, I turned the circuit breaker “on”. No power on any of the receptacles and lights on that circuit. I checked every ...
2
votes
1answer
51 views

How can I add an outlet to a switch box?

I have a three-gang box and wish to take out one switch and add a double switch, eliminating one switch. I'd like to use the space of the eliminated switch for a outlet. There is already a GFCI in ...
2
votes
0answers
41 views

Is it unsafe that these outdoor switches are on a lighting circuit?

I am in the process of replacing these two outdoor switches with one double gang unit. Reason being that between the two existing units I can see non-weatherproof wiring connecting them together. (Not ...
2
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0answers
111 views

How does this wiring work?

I have a Trane XV90 and XL 14i. The wiring looks a little strange as in the picture bellow. _____________ | | BK W2 W1 R G Y B/C YLO O |___||...
2
votes
1answer
412 views

Is the purple wire on AC blower motor common wire?

I’m replacing my AC blower motor. The old one had Red,Blue, Black wires for speeds, white Common, and brown & brown/white wires to the capacitor. (Yellow, purple wires for rotation). The new motor ...
2
votes
0answers
44 views

Tracing a dead thermostat wire conductor in wall

My home was rewired and remodeled in 2014 but I am finding out that the electrician did not run a new thermostat wire from my upstairs thermostat. I have a newer-looking 4-conductor wire coming out of ...
2
votes
0answers
17 views

Changing toggle switch (4 wires) to Caseta dimmer switch (3 wires)

I am changing a toggle switch 4 wires (including ground) to Caseta Dimmer 3 wires (Including ground). How do I attach the wires, please?
2
votes
1answer
130 views

Convert a Hunter Fan (with light) from a wireless remote control to two wall switches

I have a Hunter 21621 that I got for free. Based on the documentation it came with a wireless remote control and a receiver/switch (which is connected between the house wiring and the fan), but the ...
2
votes
1answer
92 views

Can I add a service panel in the shed near a generator which powers a cabin?

I currently have a 200amp Main panel in my off-grid cabin I am building. I want to feed the panel from my generator which is about 100' in a shed. Originally my contractor a few years back buried ...
2
votes
0answers
135 views

Can i connect my solar system to the ground wire of a grid outlet?

I have solar panels on the roof (ungrounded) and an ATS to switch between solar (ungrounded) and grid power. (grounded) EDIT : Sorry, my question wasn't clear enough, I'm talking about AC. My ...
2
votes
0answers
51 views

How to wire ceiling fan/light to two switches

I have a black/white/copper cable coming from my box along with a single white cable. I have installed my fan with the receiver for the remote and it is working as long as the previously existing wall ...
2
votes
0answers
48 views

How to make switched outlet always hot but keep ceiling lights switched?

I have a switched outlet in new home right behind the only logical loca for my tv/ entertainment center. It’s connected to a single light switch by front door that controls the living room recessed ...
2
votes
1answer
104 views

Lighting fixture: 2 live, 2 neutral, no ground - Is is okay to have the 2nd neutral used as a ground?

I live in Germany and I have just moved into a new apartment and started to change the light fixtures, but I ran into confusion. Wires coming out of the ceiling are - two black & two white (no ...
2
votes
0answers
64 views

Two outlets in a series are not working

I have two dead outlets. They were originally working but went out when the hair dryer was being used in one of them. They are connected in a series from a receptacle in the dining room which has ...
2
votes
0answers
37 views

Re-wiring ceiling light/fan combo with smart switches

I want to install GE Jasco toggle smart switches to control my lights and fan. I have done it before in other rooms, which had only one switch per box. And since it was very neatly wired, I could just ...
2
votes
0answers
20 views

Replacing light and fan switches in a trailer bathroom

I am attempting to replace the light and fan switch in my bathroom. When I pulled them out the type of switches they are is confusing me. It appears that there are 2 wires going into the switch on ...
2
votes
0answers
69 views

weirdly wired outlet burned

My son smelled smoke and located it coming from the outlet behind and used by the refrigerator. When he pulled it out, he saw the one side of the receptacle had melted. He pulled everything out of the ...
2
votes
1answer
88 views

Subpanel for finished basement: sizing, cable, installation advice

Thanks in advance for advice! I just finished framing my basement and am moving on to electrical. Hoping for advice on the subpanel. Main 200A Eaton panel is in the garage. I'll need to run cable ...
2
votes
0answers
68 views

How do I determine which ceiling fixure wires are which (two black, two bare)?

I'm trying to install a basic light fixture on a switch, but the ceiling wires are not color coded, probably because it's an old house. The ceiling box has two black wires and two bare wires. One of ...
2
votes
0answers
38 views

Double gang three-way light fitting not working as it should

This light switch controls both down up and downstairs lights. Also, I have a second one upstairs that controls upstairs plus bathroom, and there is a single three-way switch downstairs. There are 8 ...
2
votes
0answers
195 views

C-Wire for a Vulcan Gas Central Heater for Nest Thermostat-E

I'm hoping the friendly people here could help me. I'm looking to purchase a Nest Thermostat-E but my current thermostat (Vulcan/Bonaire Summer Breeze) only has 2 black wires connected. I've searched ...
2
votes
0answers
240 views

Connecting two dimmers in one box

I am replacing one 3 way switch with a dimmer and an older dial dimmer with a new one way pole dimmer. After powering down and removing the old switch and dial dimmer I found a red wire and two ...
2
votes
1answer
95 views

How can I use a switch for outlets to control a new overhead light?

I am trying to rewire our bedroom so that a wall switch that turns on/off half of all receptacles in the room will instead control a ceiling light and leave the receptacles (both halves) always hot ...
2
votes
0answers
33 views

New thermostat turns fan off when set to on, never turns off on auto

My oil heat furnace was functioning normally on an old mercury switch thermostat, but I wanted to replace it with a programmable Honeywell 5+2 one. There were Y, W, G, R, and B wires screwed in on the ...
2
votes
0answers
64 views

Does metal conduit need to be continuous to function as the ground conductor?

I'm trying to add a ground to the existing garage sub panel (240v, three conductor) while burying the elevated wires. I hope to use rigid steel conduit as the ground, but can't run it back to the main ...
2
votes
0answers
181 views

how to wire GFCI and dual light switch

]My mother live in an older house and has two regular light switches in bathroom. one for light and other for exhaust for the exhaust fan I would like to add an GFCI outlet in place of one of the ...
2
votes
0answers
345 views

When running crawl space conduit, must the conduit be run through the joist via drilled holes, or can they be attached underneath?

I'm wiring my home for 110V and cat6e(48-0V). There is currently no wiring, just an air tight shell with interior studs exposed. There is a crawl space where I would like to run all of the conduit ...
2
votes
0answers
195 views

Why do I measure 12VAC on old thermostat wires?

I'm installing a nest thermostat in my house - it's the UK version with a heatlink. I have successfully wired the heat link into my combi-boiler, disconnecting two existing wires in the process. I ...
2
votes
0answers
148 views

Junction Box Blank Cover in HVAC Duct

I am starting a bathroom remodel second story that requires a length of NM wire to be lengthened by a few feet. I realize I can't do this hidden in a wall or floor and need this done in accessible ...
2
votes
0answers
58 views

Can I split a large amp 240 circuit into two lower amp 240 circuits?

I just bought a house. It has a double oven unit installed on a 50 amp 240V circuit. I need to replace this unit with two separate units, one 30 amp, 240V and the other 20 amp, 240V. Can I split ...
2
votes
0answers
270 views

Wiring light switches in two rooms help

I am changing some wiring in two rooms of my house. Room 1 had two switches that controlled an outlet. We have since taken one of those switches and installed a ceiling light. The other switch ...
2
votes
0answers
131 views

How can I provide up to 70V AC power to a sliding glass door panel?

I'm renovating a master bath and the entire wall between the bath and the master is completely removed. The view and light that this provides is very nice so I'm considering putting in glass instead ...
2
votes
2answers
129 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 ...

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