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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Transition from 6/3NM -B cable to THWN 4x6AWG outside

This question is similar to others, but some are older... I am in the planning stages of running a 240V 50A circuit to a spa box in my back yard. The spa manufacturer calls for 6AWG throughout and a ...
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attic romex wiring

there are some long romex wires in my attic. How can I figure out what they go to? HOw can I figure out if there is power in the wire? I want to add a ceiling fan, but there is no easy rout to the ...
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1 vote
2 answers
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Where to connect the C Wire? See pictures and diagram [duplicate]

I have Rheem RBHC-14A00NFA AC unit. I am trying to install nest thermostat but don’t know where to connect the C wire. I am attaching the picture of the wires and the diagram. Please help! Thanks
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220 window unit into a 110

I have a 220 window a/c ..can I splice the cord with a 110 end if I do will it work or cause a fire or something also on the fuse panel can I run a jumper wire from an empty 110 slot to the slot that ...
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2 votes
1 answer
117 views

Move electrical outlet up one inch [closed]

This seems like a simple thing to do, but before I give it a try I am hoping for advice here. I bought and installed a new bathroom vanity not too long ago. It came with a piece to function as a ...
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3 votes
2 answers
820 views

Is it okay to run Four #6 gage wires and Three #12 gage wires in 1" PVC Sced. 40?

Can I run a total of seven wires in a 1" Schedule 40 PVC conduit? Four wires will be 6 gauge for a 50 amp hot tub. Three wires will be 12 gauge for a 20 amp outdoor GFCI plug.
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Ceiling fan with only 2 wires

I currently have a ceiling fan installed with the use of a dual gang box, with one switch controlling the fan and the other controlling the light. We are shopping around for new fans and are seeing ...
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1 answer
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Ceiling fan does not turn off. Stuck in high. No wall switch no remote. Light does not work

Ceiling fan will not turn off. Runs on high. No wall switch. No remote. Light does not work. Oklahoma usa
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GFci replacement wiring question

I am replacing my GFi and I see that only the white wire on the line from the junction box is wired into the line side. The black wire on the line side is there but not screwed on to a terminal. Is ...
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5 votes
1 answer
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Any code issues with putting an electrical box right next to wire on opposite stud?

Thinking of expanding a 2-gang box to a 3-gang box in a bedroom (light switches next to the door). I'm measuring about 6.25" between the studs. I want to use the following box, which is listed as ...
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Changing old ceiling fan wiring

So I am changing out an old fan in my house.. there is NO ground. There is TWO white wires and then a wire that has some type of black cloth around it tied together with 1 white wire coming out of it. ...
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3 answers
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Does maximum amperage for a breaker change when using a 220V outlet?

For some context, I am planning to move some workshop tools into a storage unit. The unit manager says that the maximum amperage on the outlet is 30A, and that they're wired for 120V. I was told they ...
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2 answers
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understanding wiring in switch box

I am in the process of tracing all home wiring. I am down to one switch box. The box was covered with a plate. Inside the box are 4 black wires, three white wires, one red wire, and ground. One of ...
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2 answers
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Nest Installation Wiring [duplicate]

Hello trying to wire a Google Nest Learning Thermostat and my old one used only VG and V+ and now I need to know what I should hook it to.Also I have 3 others wires that weren't hooked to anything in ...
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1 vote
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Wiring NEMA 14-50 plugs for loads that do not use Neutral

I am adding a cable to connect Tesla Gen-3 Wall Connector to a NEMA 14-50 outlet using a NEMA 14-50 plug. NEMA 14-50 outlet supplies four wires - Neutral, Ground and two Hots. Tesla Wall Connector, on ...
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1 answer
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Wiring of a Vine TJ225 thermostat

How do i wire a TJ225 Vine thermostat? I have 2 red wires, a green, a white, and a blue wire. Red wires go to RH, and R, G goes to green, white to white, and the blue goes to Y on the old thermostat, ...
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1 vote
2 answers
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Installed a new remote-control fan, now wall switch doesn't control lights anymore

I just got the Parrot Uncle F4503Q model, a remote control fan unit, and I have installed it. After installing the unit, I turned on the circuit breaker and the lights turned on perfectly, but now I ...
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outdoor sump electrical

I have a sump pit at the bottom of some outdoor basement steps that I need to get an outlet run to. I'm going to put the dedicated receptacle on the outside cement wall ... so drill through the ...
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1 vote
1 answer
115 views

How to daisy chain three lights with a (former) white wire that is now hot

I'm looking for some input on how to "daisy-chain' wire my three canless puck lights (with Wago connectors and portable J-box) in my bathroom ceiling. I asked a question about this yesterday but ...
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1 answer
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Can a 20 amp circuit and a 15 amp circuit in plastic box share a ground

I have a plastic switch box with two circuits going to it. One circuit is 15 amp which is a 3 way switch and another 2 way switch to control a different light. The other circuit is a 20 amp circuit ...
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1 vote
2 answers
189 views

Square D HEPD80 Installation with No Ground Bar

I want to install a HEPD80 whole house surge protector. Its on the main panel, but there is no ground bar in the panel. I live in Illinois where everything is in rigid metal conduit and grounding is ...
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Multiple fused spurs

I have a double socket, and I'd somehow like to power two extra fused switches. I think the double socket is connected to the ring main, and I believe there's an existing fused spur switch coming off ...
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4 votes
2 answers
102 views

PVC electrical conduit vs. PVC for plumbing [duplicate]

What's the difference between PVC electrical conduit vs. PVC plumbing? Can they be used interchangeably?
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-1 votes
1 answer
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Wiring light switch with 9 wires

I am trying to install a single pole rocker switch in a bedroom. It has 3 sets of wires coming out. One each with a black, white and copper ground. I put all 3 black on the top pole, all 3 white on ...
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152 views

Girlfriend changed light switches, lights flashed and now the lights won't turn on

Okay, so pretty simple. She replaced two 3 way switches and a 4 way switch. The switch was flipped and the lights turned on and then went out immediately and now won't come back on (there was a ...
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5 votes
2 answers
496 views

Why is my light wired like this (NZ)?

I'm want to replace the light below with a smart light that only has two wire connections (live and neutral). The 3 core wire is connected to power, red is live. The 2 core wire is going to a switch (...
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0 answers
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Switch to two half hots - not working - help!

Here is a diagram of my current wiring. I cannot get the half hots to work with the switch, pretty sure it's user/DIYer error. I do not know how wired within the conduit, just what's sticking out in ...
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1 vote
1 answer
92 views

4 wire 220 volt supply > 3 terminal 220 volt plug

I need to make a pigtail going from 4 wire (3+ground)220 volt supply to a 3 terminal (2+ground) plug to power my 220 volt welder. How?
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2 answers
81 views

How do I install lights in the ceiling with only red/black wire pairs?

I want to install some lights on my apartment ceiling, and took off the conduit box panel expecting to see hot neutral and Ground wires. Instead I found these six wires. Black and red only without any ...
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1 answer
46 views

Can I use metal wire ties to secure BX to the steel stud? [duplicate]

In steel stud construction, are you allowed to use metal wire (like re-bar tie wire) to strap BX armoured cable to the steel studs?
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9 votes
3 answers
2k views

Does wiring under a waterproof deck need conduit?

Just finished my deck and installed the Trex Rainescape waterproof system. Planning on wiring it up and finishing it with come cedar ceiling planks. Since this setup is waterproof, do I need to use ...
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2 answers
64 views

Pulling wire through Sealtight/LiquidTight?

I'm going to make my final run from my 50 amp hot tub panel disconnect to the hot tube using about 20' of 3/4" Sealtight/LiquidTight. Is there a best way to pull 4 #6 wires through this type of ...
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1 answer
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Conduit fill for (slotted) wire ducts?

Table 1 of chapter 9 of the National Electrical Code (of the US) allows us to use up to 53%, 31% or 40% (and 60% in some cases) of the cross-sectional area of a conduit or tubing (EMT, PVC, etc.), ...
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3 answers
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Extending wire from conduit to reach into new bathroom ceiling fan

I'm replacing on old bathroom ceiling fan/light, and the conduit comes to it from the left side, with only a short length of wires sticking out - but the hole into which the conduit wires should go is ...
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1 vote
1 answer
75 views

Smoke Detector Turns on Randomly: After removing Popcorn ceiling and repainting

I removed the popcorn ceiling and repainted the ceilings at my place. The drywall contractors forgot to cover the smoke detector. Obviously there was popcorn ceiling leftover, dust, slight moisture. ...
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0 votes
1 answer
81 views

Jump a new outlet from 3-way switch [duplicate]

I have a Lutron DVCL-153P Dimmer 3-Way Switch for my ceiling. From the switch, I want to jump out to create a new outlet. This is the picture of BEFORE and AFTER Here is the picture behind the switch ...
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1 vote
1 answer
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Smart switch wiring help. Three wires in switch box not connected to anything

Replacing old switches with kasa 220. Replaced almost 20 of them without any issues. Finally opened this switch box that controls the pool light and pool waterfall and I am stumped. Please help. Here ...
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0 votes
1 answer
62 views

How should I clean ceiling texture out of a light box?

I had drywall contractors remove the popcorn ceiling. Everything is good, however they forgot to protect/cover one of the ceiling lights when opening it. Now there is some popcorn ceiling leftover, ...
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0 answers
201 views

How many circuits can I add to a 50 amp subpanel?

I’m working with a sub panel that is rated up to 125 amp max. Currently it is wired with 6 gauge and has a 50 amp breaker in the main. How much more load can I put on the sub panel or how many more ...
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0 votes
1 answer
53 views

Use existing 3-way switched receptacle to toggle power to a timed pump

I have an existing 15 amp hot-water recirculation pump that's powered by a 3-way switched receptacle. Toggling one of the two 3-way switches either turns on or off the pump. My goal is to be able to ...
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2 answers
118 views

Is my sub panel stealing power from my main

In a main panel I know if you use too much power at once you can over load the main panel, but I was wanted to know if the breaker in a main panel that you would use for a sub panel if it could be ...
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1 vote
2 answers
78 views

3-way switch wiring for home built in 1975

I am a bit confused by the wiring of the 3-way switches in my mid-1970s home. Upstairs I have a two-gang box where the right switch has a white traveler atop a red traveler. Both are wired to bronze ...
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4 votes
1 answer
324 views

Black/black/black/green wires to black/red/white/green - how to figure which one to which?

There is a line for a hot tub that I am trying to reconnect. Hot tub side has black, red, white and green wires. Power supply side has three black and one green wires. The green was previously ...
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0 votes
1 answer
72 views

Direct burial wire out and back in same trench

I’m planning on running 2-2-2-4 aluminum direct burial wire 30’ to a 100 amp sub panel, then another 250’ to a 50amp sub panel. The 50’ portion will be in the same trench. So it will basically go out ...
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2 answers
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Can I Use 12g Wire off of 10g Wire for a Mini-Split?

I just removed an old mini-split from my son's house (hadn't worked for years). it was a 220v Fujitsu and I am putting in a 12k MrCool unit (110v). I am planning on re-using the circuit breaker, which ...
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0 votes
0 answers
71 views

second floor walls short?

Live in the US. House is from 1972. I am trying to run some cable from the attic to the basement and the only real path is behind my closet in a room on the second floor. Need to drill a hole ...
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1 vote
1 answer
30 views

Light + Fan control + 3-way = outlet having power that shouldn't

I've added a ceiling fan with separate switches for light and fan control. There's a 3-way switch that controls a couple outlets, I'm using the constant power that feeds this switch to power the other ...
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5 votes
2 answers
1k views

Where to land ground in main panel

If one were to add a new branch circuit to this panel and didn’t want to use metal conduit, where would you land your ground wire to? Would you need to add a grounding location to the panel?
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1 answer
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New Dishwasher has plug-in power cord - can I install a appliance socket behind the dishwasher?

My old dishwasher was wired direct with metal jacket cable, and there is a regular wall switch on the counter backsplash that cuts power to the dishwasher. House built in 1987. Live in NC. There is an ...
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0 votes
2 answers
40 views

Wiring Halogen Lights (MR16)

I am designing a set for Vacation Bible School at my church this year. I'm looking to wire up 2-3 halogen bulbs (mr16) to help create a realistic looking fire pit on stage. Is there a way to wire up ...
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