Questions tagged [junction]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
8 votes
2 answers
56k views

What is the proper way to leave unused nonmetallic sheathed cable inside walls or ceilings?

The question pretty much sums it up. I nailed through a live wire in my ceiling. Rather than splice it and install a jbox, I ran a new run to the outlet. However, I took a slightly different route ...
3 votes
2 answers
695 views

Do I need to install a junction box before installing a LED strip light fixture?

I would like to replace 15 year old Fluorescent 4 foot strip light fixture (electric ballast, T8, two light, 32W), it looked like this. This is in a closet ceiling. I was a bit surprised that when I ...
0 votes
1 answer
115 views

Junction box config question (copper wires are braided together and not attached)

Installing a new rocker style switch and the junction box had one two black wires connected to the existing switch (hot and neutral) In the box there’s two copper wires braided together and two white ...
0 votes
1 answer
51 views

Live wire in wall hard to trace

I have what I believe is a low voltage conversion “box” above my basement drop ceiling. Two regular size wires go in, and small thin blue wires come out to the first floor kitchen to power under the ...
0 votes
1 answer
35 views

Can someone tell me if my junction box can support a fan?

There's no visible text or a sticker in there so I cannot determine if this is supported by a joist. I also do not have access to the attic.
0 votes
0 answers
49 views

Can I install a junction box near the floor to extend cables to a relocated panel? [duplicate]

I'm doing a complete renovation of a 1970s era condo kitchen. I'd like to remove a wall but the unit's breaker box is located on that wall. The feeder cables going into the box and circuits exiting ...
4 votes
3 answers
346 views

Old 1920's Junction Box Nipple Hickey Won't Budge

I'm trying to install a new light fixture and ran into a bit of an issue with an old electrical junction box. I'm trying to remove the nipple hickey in the center of the box to remove the threaded ...
12 votes
4 answers
11k views

Is this electrical junction up to code?

I was up in my attic a few days ago, and I noticed a pretty ugly electrical junction that wasn't in a junction box. Here's the pic: Is this up to code? FWIW I live in north Alabama, outside city ...
0 votes
0 answers
53 views

junction box with no voltage between conductors but 120 V between conductors and ground

Two 12 gauge cables meet at a junction box. The black wires are connected. The red wires are connected. One red wire has a black electrical tape tag. There is no voltage between the red and black ...
2 votes
2 answers
3k views

Tapping into junction box to add new outlet

I've got a junction box with typical black and white wires, but then there appears to be 2 yellow wires just passing through. The yellow is the hot. I need to tap into this and run over to add a new ...
30 votes
9 answers
142k views

Is there a way to simply splice in an additional length of 12/2 NM-B cable?

Is there a way without using junction boxes to simply splice in additional length of 12/2 NM-B cable? Can I use twist caps? I'm putting in a dog door and as it so happens, there is some 12/2 right in ...
2 votes
1 answer
4k views

what to do with metal box with no grounding screw?

I have an outlet in the age that appeared to be from 1960s. I decided to replace it with a GFCI receptacle after getting charging issues with EV. After opening the outlet up, it appears that the ...
0 votes
3 answers
31k views

Combining 2 110v wall plugs (different breakers) to be 220v?

Good morning electrical geniuses, here's a problem for you. I have a piece of equipment that requires a 220v connection, and I do not have the ability to run a 220v line from the breaker. Is there a ...
1 vote
1 answer
1k views

Which NEC code sections deal with outdoor junction boxes?

We had a neighbor move our junction box that is in a utility easement over our neighbors property. When he moved it, he used up all of the slack in the box and he also buried it under 4' of soil. ...
1 vote
1 answer
126 views

LED panel wire connection space

I'm replacing old 2x2 fluorescent drop ceiling lights with LED panels. The space provided to contain the wire nuts and connections is super small. Its a 10Lbs in a 2Lb bag kind of situation. In total, ...
1 vote
1 answer
659 views

Light fixture on new condo wiring question

Ok so my wife and I bought our first condo. It was built over 100 years ago but has some modern renovations and some early 90s renovations. There were two light fixtures we hated so we shut the ...
0 votes
0 answers
110 views

How to change wiring in outdoor electrical junctions filled with gel?

I moved into my current house 5 years ago and had a couple of outdoor connections fitted throughout the garden. I have never tried to do anything with them until now. As I open a junction box to add a ...
5 votes
2 answers
2k views

Is this electrical junction in my attic up to code or reasonable?

I found this junction in my attic when doing some unrelated work. It was entirely wrapped in electrical tape before I took the photos. My assumption is that it’s not code since it’s not in a box, but ...
0 votes
2 answers
514 views

In wall splice for 4 wire cable

I have used an in wall splice with Romex 14/2 that has 3 ports (hot, neutral, ground) but i would now like to use the same method to splice a 12/3 cable. I'm unable to find a splice with 4 ports. Can ...
1 vote
1 answer
4k views

How can I make a splice in a 30 amp 240 circuit?

I have a splice in a 30 amp 240 corcuit. There is an outlet box on the three way splice. No junction on the extension from the initial cut to the three way splice. Please see the attached picture. ...
4 votes
1 answer
1k views

Splicing building wire cables to accommodate door

I'm adding a doorway under a stairwell and ran into wiring running through the wall. My question is specific to the wiring. I'm planning to add a junction box on each side, splice, and then extend the ...
5 votes
2 answers
10k views

Moving electrical outlet 3 feet to the left

this is my first post here. Thanks in advance for any help you can provide. I recently bought a new home and basically I need to move an electrical outlet 3 feet to the left so that it is hidden by ...
2 votes
2 answers
2k views

adding new power outlet, ceiling fan/switch kills the power to it when on

I'm adding a new power outlet for some electronics. I'm dropping a 12/2 wire from the attic where I'm attaching it to a junction box. The junction box has an existing wire, 12/2, and a 14/2 wire ...
15 votes
4 answers
9k views

Are my wires in this junction box too short?

This my first attempt at a junction box . I am kind of worried the wires are too short. They are all in the push connectors. Is this safe?
1 vote
1 answer
121 views

Can I run a cable straight into a junction box?

I have a junction box like the one shown in the picture below. Do I just run the cable straight in or do I have to use some conduit/coating? I am thinking that maybe if I run the cable straight in the ...
0 votes
3 answers
3k views

How to open holes in plastic electrical junction box

How am I supposed to open the holes for the cables in a junction box like the one shown in the picture below?
3 votes
2 answers
2k views

Are splices made with insulated cable connectors required to be inside a junction box?

I have a need to splice a 6/3 romex and 4/3 romex in my attic. It would look something like this: 4/3 |-- (6/3) new destination -----| |-- (4/3) original destination I am looking at ...
0 votes
0 answers
1k views

Troubleshooting power for bathroom fan/heater/light fixture

Situation: installing new switches for 3-in-1 heater/fan/light fixture. Old custom switch set (broken) had three switches and an indicator light. New generic set has three switches and an outlet. ...
user avatar
8 votes
3 answers
22k views

Black and white wires crossed in the ceiling

Replacing a ceiling fixture in a house (1989); removed the old fixture, which worked perfectly fine, but now I see up into the box there are 3 cables to this box that includes two blacks and one white ...
1 vote
0 answers
104 views

How to mount an exterior light that doesn't cover the junction box [duplicate]

I'm trying to mount this light on the exterior of a house, but it doesn't cover the hole like the existing lights do. In some places there's an existing light that's mounted directly to a junction ...
1 vote
1 answer
2k views

Do electrical junction boxes in the attic that are mounted above the insulation and on the roof truss require a cover plate?

Do attic junction boxes require a cover plate?
8 votes
3 answers
24k views

Can you run a junction inside an outlet or recessed light

I have been working on finishing my basement and am starting my rough in electrical. I am learning as I go and have gotten most of the basics down.. calc load, box size, stapling, supports etc. One ...
6 votes
5 answers
25k views

Is this an adequate junction box wire job using a standard electric box? (pic included)

I needed to splice a wire to repair nicked wire insulation, but I didn't feel like running to Lowe's just for a junction box. Instead, I used a regular electrical box. The wire comes up from the ...
0 votes
1 answer
2k views

How do I chain edison bulbs together with a junction box?-

I want to chain 6 Edison Lights They are a Standard Edison base, E26 medium, 120 volts. I am going to be hanging them on a 18 gauge wrapped copper wire. I am wondering how to wire them together and ...
4 votes
2 answers
2k views

How can I route an unknown amount of wires through an outside wall?

I'd love to figure out the best way to make a reusable junction through an outside wall for routing cables through it. (Specifically, ham-radio coax cables). It would be fairly simple if I was going ...
7 votes
1 answer
10k views

Can I convert ceiling mounted octagon box to electrical receptacle?

I've installed a number of strip lights in my garage to replace the single incandescent fixture on the ceiling. They all use a 3-prong plug, not hardwired. I want to replace the incandescent fixture ...
7 votes
2 answers
556 views

What should I consider with new electrical lines in an old house?

When I had our breaker box rewired, I had the electrician run a few extra lines (disconnected in the panel into the attic). I now need to run one of them downstairs through a wall. Two questions: 1) ...