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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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Connect Sonoff and physical switch with a lamp

I want to connect smart Sonoff switch to lamp with physical on-off switch I want these all scenarios to work: 1- when phy. switch is off, I can turn the lamp on/off via sonoff switch 2- when phy. ...
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33 views

Installing ceiling fan but voltage is confusing.

I’m installing a ceiling fan and the wires coming out of the ceiling have 120V from hot to neutral, about 45V hot to ground, and 45V neutral to ground. How do I find out why? And is it still safe to ...
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2answers
45 views

Can I run wire along a finished wall/ceiling in a basement?

I want to add a light in the stairway to my basement: Left side is a garage, right side is the basement with the other lights I'll need to tie into. However, I don't see how I could run a wire up ...
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1answer
23 views

Adding common wires for nest thermostats

I recently installed some Nest E thermostats for heating only usage. They’ve been great so far, but my HVAC guy warned me I would likely run into issues without a common wire. In the newer part of the ...
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1answer
35 views

New 20amp circuit via old conduit or not?

I plan on creating a new circuit and running 12/2 to my microwave for an dedicated circuit. The current outlet for the microwave is old wiring running through conduit. The wiring comes in through a ...
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1answer
23 views

How to handle 4 wires using 3-port AlumiConn connectors?

I'm rewiring outlets and switches in our 1960's California home using AlumiConn connectors to connect the aluminum wiring to copper pigtails. Most cases are straightforward, but I've run into a case ...
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0answers
17 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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1answer
28 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 ...
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1answer
46 views

Why would my GFCI breaker trip when I flip a switch?

I am working in my basement where the wiring is from the early 70s. I am replacing a couple of fluorescent lights with new ones so I can put in LED bulbs (the others are original). I am not new to ...
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1answer
38 views

Light fixture measuring 120V for both hot and neutral

Hello I’m replacing a lighting fixture and I’m finding that both white wires are reading 120V. To be clear - it doesn’t matter where I place the red and black leads of my multimeter - I get 120V ...
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1answer
31 views

What size sub panel do I need

I need to install a 30 amp 120v RV outlet 140 feet from main box. I thought I would use a sub panel to allow for a few lights and two 110 outlets. Can I use a double pole 30 amp breaker with number ...
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1answer
36 views

Two hot wires in switch junction box

I have a switch on the wall that doesn't seem to do anything. I decided to investigate by pulling the switch out and to my surprise, it was a 3-way switch with only two connections (black and white ...
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0answers
10 views

Thermostat blowing hot air on cool

I replaced my thermostat with a new Honeywell WiFi 9585 and every time I go to cool hot air comes out. I have talked to support many times. I have checked voltage I have tested the ac by hot wiring ...
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2answers
28 views

2 light switches controlling one light fixture?

In my family room I have a light fixture. There are two light switches controlling this fixture. Yesterday I decided I want to get rid of the ugly brown switches, and change these to light. I have ...
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1answer
69 views

Trenching and running power to outside shed

I'll require power for the use of a window unit heat pump (8,000 to 12,000 BTU 120 volt), a treadmill, 5 or 6 outlets, and lighting. It's an 80 foot run and will be burying the supply underground. I'...
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1answer
53 views

All lights have tripped out!

The existing kitchen light was taken down, it was always blowing the bulbs. Currently, there's no light fixture up, just a connector type thing. Is this wired correctly? I've attached a photo, the ...
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1answer
42 views

How would I identify the grounded (neutral) conductor when using URD cable as an underground feeder?

I have a line on a length of URD 2-2-2-4 at a local electric supply house. The smaller conductor, which I gather is intended as the neutral in some cases, would be my ground. One of the unmarked ...
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1answer
33 views

3way wiring with timer AND a dimmer

I'm using an intermatic ST01 to feed the dimmer, since I don't have a neutral in the far box, and I'm told not to feed dimmed input to a timer. From there is where I'm having a problem, using a ...
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1answer
90 views

Does the cloth jacket on my wiring contain asbestos?

I grabbed this photo from another Q&A of the same wiring in my house. It is labelled Diamond DTX NM 600V. It looks like cloth wrapped wiring. Does anyone know anything about asbestos with it? ...
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1answer
51 views

3-way switch tied to box, one switch removed, can't make sense of it

I'm starting the question over.I'm having a hard time making sense of what's going on and I found out the other switch wasn't removed. I have a light connected to two switches. One switch isn't ...
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3answers
49 views

Exposing a 220v socket in my condo

I live in the US and own a few appliances (mostly audio) that are European, designed for 220V and don't have a built-in converter to deal with 110V. I'd like to find a way to use these in my condo, ...
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2answers
50 views

Basement lighting four rooms

So in my basement I want to add lights to 4 rooms. A total of 18 LED lights on 5 switches from one power feed. This would be a 15 A feed all 14-2 wire. Switches 2 & 3 would be a 3 way switch ...
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1answer
24 views

Ceiling lights wiring

Hi was just seeing if anyone can tell me what are the main Wires and what is the switch wire
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0answers
20 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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2answers
71 views

What is this in my electrical box? Can I attach my ground wire onto this screw? Will it be securely grounded?

I am trying to wire a dimmer in an old outlet box and need to attach a ground. All other holes are too big or small, except the two that are being occupied by what looks like a wire clamp. Is it safe ...
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1answer
41 views

Dryer loses electrical power in the winter

For 3 years now my electric dryer loses the 220 current in the winter. It runs normally in the summer but gets weak in the winter. I have tried 4 different dryers and they all do the same thing. The ...
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2answers
59 views

Bare copper wire under kitchen sink

I have a bare copper wire that runs from the breaker box to the hot water hose under the kitchen sink. The electrician did this. Is this safe, if not how do I fix it?
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44 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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0answers
42 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
31 views

any danger in splicing tinned copper and normal copper?

It is difficult and dangerous to combine aluminum and copper wiring. Are there any pitfalls with respect to tinned copper and copper?
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1answer
18 views

Thermal resistance of NM cable

Can NM (AKA "Romex") cable reliably sustain contact with hot water pipe so that the water pipe never gets so hot as to melt the insulation and pick up electric current? I'm crossing pipes and cable ...
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0answers
36 views

Added second doorbell transformer to box but no voltage

So I just bought a Ring Pro. I already have an existing front doorbell, and this is not to replace that one, but rather I am adding a Ring Pro to my basement walkout door. Hence I purchased an ...
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2answers
36 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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1answer
42 views

How to reseal wiring coming through roof after adding an additional coax drop

My AC condenser unit is on the roof. The wiring and refrigerant lines run through a PVC pipe in the roof. That pipe is sealed with what looks like some sort of foam product: I would like to put a TV ...
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3answers
73 views

How to tap into a light switch whose junction box is already full?

I have a light switch I want to tap into to add another power outlet a few feet away. I believe this switch's junction box is already too full to accommodate adding new wires. I think I would have ...
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1answer
29 views

Maytag Dryer wiring issue

I have a Maytag Dryer model number LDE8420ACW that was give to me. The yellow, blue, purple and 2 white wires that connect to the power terminal block that the power supply cord hooks to are not ...
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0answers
22 views

Installing new Nest thermostat, wire help

I bought a 3rd generation Nest home thermostat and attempted to install it last night. I live in a home with a heat pump and whole-home humidifier. Removing the faceplate of my old thermostat revealed ...
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0answers
22 views

New wifi wall switch causes blinking light

I have a light that is controlled by 2 separate wall switches. I replaced one switch with new wifi switch. Problem is when new switch turned on light blinks continuously. 2nd switch will turn off ...
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0answers
18 views

Harbor Breeze fan with remote is there a way??? switch+2 remote sensors on red for 3-way combo

I've been mulling over this for a little while and my customer really wants to have both switches controlling the fan and the remote so can I put 2 remote sensors in it 1 on red one on black and ...
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1answer
82 views

Can I install a device transformer in a junction box to keep it behind the wall surface?

I'm in Oregon, USA, and trying to figure out a code-compliant way of hiding a wall wart (AC/DC transformer) behind a small device (about 3"x3"; if it matters, the specific device is a smart garage ...
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1answer
28 views

Wiring 50A RV receptacle to 120V service

I will be installing temporary wiring for an RV which has a NEMA 14-50 plug. The RV does not actually need 240v, it just splits the load between two 120v legs. I want to use a 30A 120V circuit ...
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4answers
90 views

What is the correct way to wire a 3 way switch where power comes into the middle switch?

I found checked two books and neither had the diagram. Only I found two separate diagrams that did not work. The setup: Box 1 with 3 wire runs to box 2. Box 2 has 2 wire power in, 2 wire to light ...
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2answers
45 views

Bare wire says 120 but drops tall 1 when hooked to outlet

120 hot to neutral/hot to ground. Hook it to outlet, hot to neutral reads 1 hot to ground 120. Tried two new outlets. Both do same. Moment connected voltage is lost. Moment wire out, back to normal. ...
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1answer
5k views

Is this wiring safe and is it according to code?

A single 12-3 cable was run to a double switch to control individual lights. The white is used as a hot, is this wiring correct/per NEC code?
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1answer
33 views

4-Way Switch Problem

I purchased several hundred dollars worth of Legrand Radiant electrical outlets and switches in Graphite color for my home. All went well until I ran into a 4-way circuit (One light, two 3-way ...
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0answers
19 views

Mystifying boiler control circuit

I have had a few issues recently with an electrical boiler and I have replaced a few electrical parts (relays, time delay switches,...) to keep it running. Doing so, I noticed that the internal ...
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0answers
65 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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2answers
41 views

Installing a smart dimmer switch into 3 gang box

I have installed dimmers in a single box and a gang box with 2 switches but never a box with 3 switches. And there's some confusion, so hopefully someone can help. I am installing a new smart dimmer ...
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1answer
59 views

Electric outlet both sides 2x4 interior wall

How do you install electric outlets on both sides of a 2"x4" interior wall to meet code? The back of each box (and wires entering box) is very close (less than 1/2") to the front of the other side of ...
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1answer
20 views

Wiring a ballast

Question my situation is much like Harpers With a 2 lamp ballast wiring to a single lamp on one end of the lampholder I have a red and white wire the red wire wire to the starter and the white wire ...