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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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What type and gauge ground wire do I need when using 1/0 hot and neutral wires

I have a 260 ft run from my main 225A panel to a 100A subpanel in a steel shop out in my yard. I have a #4 bare copper wire grounded to the rebar in the foundation of the shop. Not knowing what I ...
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19 views

Rheem 45,000 BTU gas furnace wiring- 1991 year

What are Rheem 45,000 BTU gas furnace wiring connections for the older hot surface control board? 1991 year model: rgde-04nhacr
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29 views

Replacing ceiling fan/light combo with standard ceiling light to wall switch

I'm replacing a ceiling fan/light combo, with a simple LED round flush "puff" ceiling light fixture. (1-blk, 1-wht, 1-grd) The wall switch only worked the ceiling fan light. The wall switch currently ...
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1answer
23 views

Direct Wiring (bypass thermostat) of heatpump cooling

Last September my CT80 radiothermostat would not signal cooling despite the measured temperature exceeding the temperature setpoint. It would be nice if a relative could manually switch the cooling ...
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1answer
52 views

How do I replace a 3 wire switch with a 4 wire motion detection switch?

I added two images showing knob and tube wired light fixture and two wire light switch. Romex out of fixture goes to switch. Original message: I have one hot (black), one neutral (white) and a copper ...
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3answers
38 views

Correct circuit breakers for 4-wire connected Maytag dryer?

The panel in the house we just bought has the 30-amp dryer is connected by 4 wires (#10) to the panel where the black wire is on a 30-amp circuit breaker and the red wire is on another 30-amp circuit ...
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2answers
58 views

Confusing ceiling fan wiring

Long story short, moved into this house 2 years ago, 2 gang switches in bedroom, one for ceiling fan and light, one supposedly for switched outlet. Finally got around to finding which outlet was ...
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1answer
73 views

Are the gray wires in my switch boxes neutrals?

I’m trying to install new smart switches (box and switch oics included) where some old timer switches are currently installed. The new switches require a neutral wire and ground. Is the bundle of gray ...
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4answers
1k views

Can you run a ground wire from stove directly to ground pole in the ground [duplicate]

Directly to ground pole outside drove into ground
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41 views

open multi wire electrical branch circuits

I have 2 multi branch circuits in a 50's house. I put in a new line & breaker to replace an old line that was shorted out. When I went to remove the old wires, the whole multi circuit went dead. I ...
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1answer
108 views

GFCI outlet consistently trips in garage

Half of my garage does not work due to the GFCI constantly tripping. Could this be due to cement moving due to freezing weather? The cold weather has moved the ground about 2 inches and I believe the ...
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1answer
25 views

Switching from a Mercury Switch Thermostat to a XT500C Thermostat

I only have a white, red, green and yellow wires, from my old thermostat. I see multiple Red wires... where does a single red wire go... to the R connection...
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2answers
108 views

Old Style Fuse Box

I'm in the UK and in the process of buying my first house (early 1900's victorian terrace). I paid for a home buyers report which came back with some areas for improvement, one being the fuse box. The ...
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1answer
48 views

What size breaker and wire for a barn feeder circuit?

February winds blew down my overhead service to my barn. I would like to replace the 1950's two wire service and update to a safe, sub feed using a complete new underground from a 150 amp house box. ...
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1answer
48 views

Why doesn't my light switch have power after replacing the adjacent outlet?

My house is 125 years old. I bought it 3 years ago. I am trying to upgrade a wall socket and a light switch in the same wall mounted metal box. I took the old wall socket out which was pretty new and ...
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1answer
57 views

Metal Conduit For Tankless Heater

I'm looking at getting an EcoSmart(or similar) electric on demand water heater in my home(WA state, not in Seattle). The sizing indicates I'll need 3x8ga(3x40A breaker) conductors. Long story short, I ...
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2answers
58 views

Issue with Kitchen Receptacle

I have a kitchen split receptacle. The top outlet of the receptacle reads 120V AC as expected, with the hot wire being red and feeding from the breaker. The bottom outlet reads 17.44V AC, with the ...
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1answer
42 views

Convert 2 adjacent double gang box to 4 gang box; what are these extra wires?

I'm attempting to convert 2 adjacent double gang boxes into a single 4 gang box (see my first question about this here: 2 gang boxes installed side-by-side; How do I fix this?). When I removed the ...
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1answer
49 views

OK to attach a metal electric junction box and armored cable (MC) to underside of subfloor in basement?

Is it OK to attach a metal electric junction box and armored cable (MC) to underside of the subfloor in a basement with an exposed ceiling? Or does it have to be attached to the side of the joists in ...
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2answers
51 views

How should large, stranded ground conductors be connected to metal junction boxes?

Say I have a #6/3 cable being spliced in a metal junction box. How would the (presumably stranded #8) ground wire be connected to the box?
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2answers
67 views

Would connecting an ungrounded cable to a new grounded cable in a box violate code?

A wire in my garage got damaged. Breaker is off now. The wire feeds the stove on the other side of a split level home. It is an old cloth covered wire, with no ground. Red, white, and black wires only....
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2answers
115 views

Pulling cables (CAT5e) Vertically with Horizontal Studs in the Wall

I want to pull two Ethernet cables from my attic down a 12’ wall into the living room behind the tv console. There are several horizontal studs in the wall preventing a straight drop. From the top, ...
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1answer
54 views

8 gauge wire for 10 gauge

I have about a 20 foot run for the outdoor compressor to my main breaker box. Can I use 8 gauge wire instead of 10 gauge? (because I already have this length and gauge.)
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1answer
80 views

Can I install a modern light fixture on this box?

My 1950s house has several old fixtures, but only one like this. There is a metal plate flush with the ceiling. It has holes that look similar to a regular light fixture mounting plate. Can I use ...
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2answers
139 views

Electrical nightmare

Last year our lights began surging and then my wife noticed the old fuse holder was broken and not making a good contact. We decided to upgrade the fuse panel and bring it closer to code. The first ...
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0answers
29 views

Three way fan control, single switch

I have replaced a large chandelier in a common area with a ceiling fan, it already had the appropriate support box, because of its size. However it is controlled by two three way switches. Is there a ...
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1answer
53 views

Temporarily relocating an electrical panel while rebuilding a room

The room where our main power supply comes into the house is actually an old converted porch. Several inches of the wooden frame, including the sill plate and band board, are buried below grade and ...
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0answers
29 views

ceiling fan light kit wiring problems

When I try to add a light kit to my ceiling fan the light seems to short. It is a separate circuit and I checked the wires for the light and they are 120v not 240 I thought maybe I was wiring two hots ...
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1answer
37 views

Should I connect a new ceiling fan as the old one was?

I have two cables coming into box. Old fan had black and blue attached to the black (hot all the time). The white fan wire attached to other black in the box. The 2 white wires were connected as were ...
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1answer
99 views

What to do about a switch without neutral, in MA, USA? [duplicate]

I'm upgrading switches in my older (1978) home, putting smart switches in. I have found many "interesting" wiring situations, some I have remedied, some I have just left as-is. Recently I opened a ...
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2answers
35 views

Manufactured home wiring of hot water tank

I have a manufactured home 2003 model. The breaker for hot water tank is tripping & at the breaker box it has 2 single breakers only 1 is tripping ?? Has it been wired wrong ? And what should I do ...
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0answers
84 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 ...
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4answers
124 views

Can I run THHN for separate washer and dryer circuits through the same conduit?

I am relocating a 120V washer and 240V dryer from the basement on south side of my house to the basement north side. The current wiring is one 110V 20amp circuit with dedicated circuit breaker and ...
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2answers
66 views

Grounding a switch that has no ground screw or wire

I have a timer switch (see photo 1) that has No Grounding Screw and ** No Grounding Wire** protruding from it. It is to be installed into a plastic gang box and replace a switch which is currently ...
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1answer
55 views

need to connect a c wire to my furnace/air conditioner

I installed a nest with 5 wires, but the blue wire is not connected to anything on the 25-30 year old furnace. We tried connecting the blue wire to what we thought was a common terminal, but the ...
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1answer
42 views

How install single Insteon switch with only line, load, and ground?

I have a single on/off switch controlling a single light. I’ve checked carefully, and have ONLY one 3-wire Romex with black, white, and bare copper ground. (No white neutral wire hidden in box.) Am I ...
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1answer
471 views

Does copper wire need to say it's copper?

I just saw this picture of wire. Pirelli Cable-X - 500 MCM Type THHN or THWN-2 600V Gasoline & Oil Resistant II AWM (UL) Wait a minute. It's routine common THHN, like you might use in a ...
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0answers
12 views

Need help with wiring a motion wall switch

I brought two motion wall light switch to replaced two regular on and off switches. I install the one upstairs first and it seems to work ok. I them installed the 2nd one downstairs, but I'm not ...
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2answers
43 views

Conflicting wiring diagrams

I've spent the morning looking at YouTube videos and I feel I've gotten my wiring correct. I'm trying to add a rose / pendant to a room. As I took the original light off, I noticed there is only 1 ...
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2answers
65 views

What is going on with these wires at the wall light switch?

I am installing a smart switch, so I need a neutral. I am a bit confused which wire is which in my wall switch box. Below is a picture of the wires: I am thinking that the red wire (circled in red) ...
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1answer
16 views

Single Pole Motion Sensing Light Switch

Attempting to install GE single pole motion light switch. The existing switch controls two lights in a small hallway. Can the single pole motion switch be wired for 2 lights?
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2answers
38 views

Adding a wire or circuit to a disconnect box

I have a 40 amp 240v circuit powering a sprinkler pump. There is a disconnect box located near the pump. Can i add a 30 a 120 v circuit to this by replacing disconnect box with a 60 a subpanel or is ...
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1answer
33 views

How to connect a new thermostat with different terminals than the old one?

I have bought two new thermostats to replace my old worn out ones. We have a oil burner furnace with hot water radiators around the house. No cooling. The problem is that the two thermostats have ...
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4answers
256 views

How do I carry electrical power across a pond?

Suppose I need to run power to an outbuilding. The line will run underground. Between the supply and outbuilding is a long, wide pond. Going around the pond isn't really feasible. This is not a ...
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1answer
42 views

What is the best way to split a series of recessed ceiling lights to two switches?

I have a large basement with 10 can lights in the ceiling controlled by a single pull switch at the bottom of the stairs. I have framed in a bedroom that essentially cuts the area in half with 6 of ...
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1answer
58 views

Adding Ground Wire to Existing NEMA 10-30 socket

I have a question about changing my 10-30 wall outlet to 14-30 for charging my EV. I thought it was a simple trip to Home Depot but it seems I may be not code compliant. I bought a Level 2, 20 amp ...
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3answers
217 views

Using 14 ga on part of a 20A circuit? [duplicate]

I'm building an outdoor bbq and have a 20A circuit with 2 runs - 1 for outlets and 1 for lights. The outlets are done with 20A receptacles and 12 ga wire inside 1/2" emc. The lights will be hanging ...
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1answer
72 views

Alternatives to pig-tailing ground wires in outlet box?

I have an old house and there are ungrounded outlets set in the baseboards. I am currently working on rewiring them and was wondering what the best way to tie the ground wires to each other and the ...
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4answers
108 views

Can I connect a black wire to one breaker and a red to another from the same circuit?

One of my breakers tripped last week and wouldn't reset so it needs to be replaced. This is a double breaker with a black and red wire. The switch with the black wire is the one that won't reset. I ...
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2answers
103 views

Can I strip a neutral wire and use it to pigtail ground wires?

I need to ground outlets in my house and need to pigtail the ground wires. Just wondering if I can salvage the old neutral wires, strip them, and use them to pigtail to the outlet instead of cutting ...