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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1answer
14 views

Two switches have to be ON for light to work

I recently purchased a house from the 1970's and I have noticed a wiring issue. There are two switches to turn the garage lights on. Both use wiring that includes one red wire, one black wire, and ...
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1answer
14 views

3 way switch bathroom wiring to code

I am remodeling my basement and have a bedroom connected to a bathroom. Between them is a walk-in closet. A door leads from the bedroom to the closet, and another door from the bathroom to the closet. ...
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0answers
15 views

Changing a 240v outlet for a 120v

There's an unused 240v outlet on a double 30 amp breaker in my house. I believe it was one used for a stove.bI'm hoping to use it for my AC that's a typical 120v, as it's decent location and would ...
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1answer
27 views

Repairing/salvaging fan forced heater

I have fan forced heater (Pelonis HF-1030TB) that recently starting giving off burning smells whenever I turned on the heat. I opened it and saw that one of the contacts was burnt. Can someone please ...
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1answer
98 views

Single pole switch still controlling multiple lights

My dining room has a box on each wall with a single pole switch (for exterior light) next to a three way switch (for dining room interior light) that I attempted to replace with new switches. After ...
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1answer
32 views

Adding a receptacle to a wall with an insulation blanket on the wall

I have a newly built home with blanket insulation on the basement walls. There are no studs as the blanket insulation is attached directly to the cement wall. Is it possible to add receptacles to the ...
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0answers
17 views

Bathroom 3 in 1 switches in seperate locations

Intent: To have heater/exhaust/light unit installed with the light switch separate from the heater/exhaust. Why? I have a light/exhaust on one switch (next to door), but would like a 3 in 1. The ...
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1answer
127 views

Wire identification for a camera system install

I am replacing some old cameras that came with the home to more modern ones. I took apart 1 of the cameras to find this: Now I am guessing the yellow is video, and black and red are power (hot and ...
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1answer
42 views

Do I need another relay?

I have an existing boiler with 4 zones and 4 separate pumps. I also have an electronic damper that opens when the heat is called. I am adding another zone for pex hydronic underfloor heating and I ...
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1answer
38 views

ground wire to two switches

I just installed two Lutron Caseta switches in a 2-gang switch box. When I opened the box, I was expecting to find a separate ground wire to each switch. However, what I found was a single ground wire ...
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4answers
63k views

Should electrical wiring be placed above or below plumbing pipes

I'm putting a bathroom in my garage/shop. I'm going to have to run wiring and water supply plumbing through the same walls. should I put the wiring above or below plumbing?
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2answers
235 views

Safe to combine GFCI switch with non-GFCI switch?

I have two switches by the front door. One controls the exterior door light. The other controls a light on a pole by the driveway. I want to replace the two switches with a single timer switch that ...
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1answer
54 views

Replacing middle of circuit outlet with doorbell transformer

I am replacing an outlet in the middle of a run with doorbell transformer. The outlet is not required for code and the transformer is one that is rated to be installed in a 2 gang box. Yes, I will be ...
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2answers
71 views

Proper way to ground a 240v metal outlet box?

I am replacing the circuit to our stove and am doing the rough in currently. We may one day want a stove requiring more amperage than our current 40 amps and so I am replacing with 6-3 w/ground. I ...
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0answers
32 views

I have a 14/3 wire coming off 14/2 with power at fixture looking for diagram for proper wire connection

I have extinguishing 14/3 wire coming off 14/2 with power at light/fixture going to 15A combination switch/outlet on outside wall of a room . I had to disconnect for demo and forgot to take a pic of ...
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5answers
92k views

Can I use SCH 40 for buried and above ground feeder wire?

I'm running 2" PVC from my house to a detached garage to run a 60 amp feeder. Looking at the NEC, it looks like I need to put it in SCH 40 below-ground. However, it looks like I have to use SCH 80 ...
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1answer
1k views

Nest E thermostat on ancient 2-wire Bryant boiler system with 2 zonesq

I have a 2-zone hydronic system running off an ancient Bryant boiler. Power is supplied by a 24V transformer, and each red wire passes through a Taco zone valve before heading off to the appropriate ...
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2answers
90 views

Plug molding rated at 15 amps, for kitchen it should be 20 amps

All Legrand plug molding is rated at 15 amps yet kitchen circuits are 20 amp with 12 guage wire. How do I make this work. Connections inside plug mold need to be "butt type" as there is no ...
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3answers
66 views

Can I connect a 1-3 adapter to a 12/3 extension cord?

Before I ask, I understand how extension cords work to a point. I understand if anything is plugged in, it needs to stay under the rated wattage and amperage. I also understand the way cords are rated ...
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1answer
20 views

How to properly ground new three way switches being installed?

I am replacing two existing 3 way switches. The existing ones did not have a ground attached. The electrical box is plastic. There are ground wires in the back of box that are twisted and crimped ...
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1answer
47 views

Please help me understand how to wire a circuit for this welder

I have a dual voltage tig welder I want to wire a circuit for in my garage. The welder will be the only equipment plugged into this. Attached is the spec sheet, requiring a 30a breaker (and will be ...
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1answer
38 views

Replacing both 3-way switches I found 2 hot wires one in each box

Since the new switches were not same make\model as the old ones I had to remove both switches (6 wires) and test for the hot wire and I found 1 hot wire in each to the 2 boxes. Now what? It seems ...
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0answers
45 views

Lights dim on a switch that was a 3 way

Significant edit to the original problem: The lighting dimmed because the current regulator in the fan burned (or was burning) up. I took it apart and found significant charring and plastic ...
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7answers
3k views

Can I oil a push button light switch?

I have a circa 1920 push-button light switch which sticks occasionally. The push buttons move fine, but sometimes the blade switch inside doesn't flip unless the button is pressed very hard. I'd ...
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4answers
101 views

Wire at the end of the circuit activates my tester at about 12-14 inches away

Have a new circuit in the basement that includes a dimmer switch and 4 recessed lights, in addition to 6 outlets. The switch and the lights are at the end of the run. The order is:: panel > AFCI ...
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1answer
60 views

Can two GFCI outlet loads be powered by two separate circuits?

My garage outlets and my outdoor outlets are all on the same GFCI circuit. If outdoor circuit gets wet my garage outlets lose power.
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1answer
89 views

Trying to replace light switch

I am replacing a toggle light switch. The switch has one ground screw and two terminal screws. I can’t figure out which wires go to which screws. Coming out of the box are three white wires connected ...
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1answer
63 views

Wiring a blank face afci, gfci and a regular outlets in a circuit, made a loud noise in gfci box

I've a new basement kitchen 20amp circuit (with regular 20 amp breaker) that has a blank face AFCI (near the panel), GFCI outlet (first outlet in the kitchen) and regular outlet at the end (used a 15 ...
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0answers
40 views

Wire guage needed for adding a 100 amp breaker box in garage

I'm running a wire buried wire from my indoor breaker box to an indoor breaker box in my detached garage. I have a 200 amp main breaker box but in the garage I am using a 100 amp breaker box. The main ...
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0answers
17 views

Controlling ceiling fan and light with a single pole switch using caseta for apple home control

How can I control a ceiling fan / light which currently is controlled by a single light switch and pull chains using a caseta switch to integrate with the home app on the iphone
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1answer
40 views

Wiring in false chimney breast

I am installing a wood burner with a false chimney breast around a double skinned flue. The chimney breast will be metal stud (or do you only call it a stud if it's wood?) with fire board as per regs ...
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2answers
21k views

What is a multiwire branch circuit?

What is a multiwire branch circuit? (also known as "multiwire circuit", "multiwire branch circuit", "split phase shared neutral", "two circuits fed from one 12-3 or ...
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1answer
33 views

Finding where the C “Common” wire should be in my heating unit

I'm trying to understand where the common wire would be from my system's wiring diagram. The thermostat itself only has the R and W connected. Is my understanding correct that it would be the wire ...
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0answers
22 views

2-gang switch with 3 black wires, how to wire up smart switches?

A friend and I have been wiring up my new home (built 2012, neutrals everywhere) with Lutron Caseta smart switches (specifically in this case, PDW-5ANS-WH-A) and he was working on my guest bathroom ...
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0answers
14 views

Which wires go where for the extra switch on a HPM doublepoint outlet with extra switch?

I am replacing a double powerpoint that has an extra switch to activate the insinkerator (under the kitchen sink). There is a red wire that comes out of the wall with the black wires and that is one ...
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1answer
77 views

Question about using a wired power strip to the electrical panel in home

Because I have no wall outlet grounded anywhere in the house, I asked an electrician to help and the solution that didn't involved destroying the walls was to wire a power strip directly into the ...
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0answers
15 views

Dimmer function does not work after replacing light fixture with 3 lights

I have replaced a light fixture and the 3 lights. Old lights worked fine and were dimmable. I had to replace the lights because of a diff size fitting, they are LED and according to the package are ...
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1answer
35 views

Direct Burial Wire for 200 Amp Sub Panel from 200 Amp Main

I'm trying to get the right info to price out my project. I plan to install a 200 amp sub-panel in a shed with a 125 to 150 amp feeder breaker. The shed is about 180 feet away from the main panel. The ...
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1answer
132 views

How to determine if wire size is correct for given maximum power

I'm going to ask a power raise. I'm moving from 3kW + 30% (15A) to 4,5kW + 30% (25A). I'd know if my main feed (3m, 2,5mm2) is enough to hold the new max rate. EDIT: I've checked my main feed and ...
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0answers
33 views

Wire gauge needed for outbuilding with welder

I have a standalone building that I'm going to start welding and doing other metal work out of. When looking over the current wiring I came across a wild shock that all I could do was laugh. The ...
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2answers
62 views

Wiring low voltage doorbell wire through exterior wall and studs

I currently have a battery powered doorbell that I would like to replace with a hardwired doorbell. Problem is, my house is not wired for a doorbell. My solution is to replace the outlet in the ...
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1answer
43 views

Help: Replacing a Leviton Dimmable switch with a Regular Switch

I'm a newbie when it comes to installing light switches. My staircase light would randomly turn on in the middle of the night and it has 3 dimmable Leviton light switches that control the staircase ...
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1answer
158 views

Challenging wires in an outlet

Here's the challenging situation I've run into: We bought our house last year. It as built in 1974, and has a "low voltage" wiring system in it, that uses this kind of light switch: https://www....
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0answers
33 views

Running Electrical Wires exterior to interior

I need a new line placed in a certain area of my house, (for a fish tank) but running it inside isn't a super realistic option, as it's a good distance and the joists run perpendicular to where I ...
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1answer
5k views

How to wire C wire to the transformer of HVAC?

How are you all doing? I tried to connect the digital thermostat (Ecobee3) instead of my old honeywell thermostat. The original wiring is below (figure 1) HVAC is located on the ceiling of bathroom ...
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1answer
44 views

Running ser cable from 200amp main to 100 amp sub panel

I'm running ser wire from my 200 amp main box in my garage to a 100amp service box for tankless water heater. I'm running the cable along the top edge of my garage around a corner about 30ft run total....
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3answers
89 views

How to attach ground wire for ceiling fixture, if mounting bracket does not have a green ground screw, and no ground wire coming from junction box?

My ceiling metal junction box has 2 white wires(twisted together) and 1 black wire. No copper or ground wire inside that I can see? The new fixture has a black, white and green/yellow ground wire. ...
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2answers
63 views

Running Wire to Electrical Panel Box

I have to run approximately 8-10 home Romex (14/2 and 12/2) wires to Electric panel box. So, Can I run those wires to the panel box as per the picture, Is this sound ok ? Is there any limit, I can ...
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1answer
48 views

Connecting a Wall Sconce Light Fixture

My sconce (two light bulb fixture) has two black wires and one white wire. The wall has only one black wire and one white wire. Can I connect both black sconce wires to the one black wall wire and ...
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1answer
105 views

Which are the hot wires and is there a ground present in my recessed light?

This light fixture was capped and has two white lines pigged tailed together with a single orange line wrapped around, two orange lines pigged tailed together, two yellow lines pigged tailed together. ...

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