Skip to main content

Questions tagged [junction-box]

A junction box is a container used to enclose electrical connections (junctions). Use with the [electrical] tag. Use with [wiring] if your questions involves wires.

0 votes
0 answers
68 views

Code-compliant way of permanently wiring a hidden 120v appliance

I'm finishing my basement and want to install an inline booster fan for one of the bedrooms. The fan will be accessible by removing a rain shower head in the bathroom, since the duct runs right above ...
Egor's user avatar
  • 521
0 votes
0 answers
100 views

How can I transition NM cable (coming out of drywall to peninsula cabinet) into conduit with THHN wiring for the peninsula outlet?

I have a roll of NM at the end of one of the (currently inactive) 2 kitchen circuits, which the electrician left for peninsula wiring. NM is coming out of drywall, under the counter, going directly ...
JCott's user avatar
  • 1
4 votes
1 answer
644 views

How to mount EVSE to existing box on exterior wall?

I currently have a (completely miswired) TT30R in a metal box and metal conduit on the exterior wall: The wiring is 2x6AWG for hot and 2x10AWG for neutral on a (currently) 40A breaker. So I have ...
divB's user avatar
  • 1,531
0 votes
2 answers
95 views

NEMA L5-30R in a 4 inch box

I need some help. Is there an adapter for 4 inch box, to install single gang NEMA L5-30R receptacle. Also, is there a cover for it? I need to install NEMA L5-30R for our 120 volt, 30 amp, APC UPS.
IgorK's user avatar
  • 314
0 votes
2 answers
491 views

Can I install a junction box on top of a wooden stud?

I’m updating my vanity light in the bathroom because it’s off center. Where the center line is, there’s a wooden stud. I’ve bought one of the thin circular junction boxes, the ones usually meant for ...
Louisa's user avatar
  • 1
10 votes
2 answers
3k views

OK to remove sheathe and have some wires bypass box?

We are installing a 3-way switch, light between switches and power into light. The light is a LED pot light. The light sits in a drop ceiling with lots of access. We don't really need to cut the red ...
Catherine's user avatar
  • 211
2 votes
1 answer
71 views

Terminating Unused BX Cable in Place

I have an unused BX cable with power to it in my former coal cellar of my 1925 house. The main panel has been upgraded and has Romex wire. I planned to cap the ends of the BX in a metal junction box ...
Pittsburgh's user avatar
3 votes
1 answer
194 views

Removing Junction Box with extra wire

I've removed a few junction boxes to install recessed lighting however this one is giving me an issue. I have attic access and used it to get the junction box detached from the studs and ready to move ...
Darnell Welcher's user avatar
7 votes
3 answers
1k views

Best, and acceptable, connector for 12 to 20 ground wires in a junction box?

In a junction box with about 12, and may grow to 20, cables of size #14, #12, #10 what is the best, and alternative connectors to join all the ground wires together? Can I install a ground block, the ...
jay613's user avatar
  • 41.8k
4 votes
3 answers
2k views

Can low voltage bracket be installed next to existing receptacle to accommodate a two-gang faceplate?

Can a low voltage bracket like this be installed next to an existing single-gang box such that it supports a single, standard 2gang faceplate? Is there anything specific to take care or any product ...
divB's user avatar
  • 1,531
0 votes
1 answer
67 views

Smoke alarm relay (high voltage and low voltage) in junction box?

I have First Alert hardwired smoke alarms, and I'd like to add monitoring output to my home automation using their RM4 relay, a simple dry-contact relay that activates from the smoke alarm's data ...
Grunthos's user avatar
  • 1,482
0 votes
2 answers
104 views

Junction box cover required for a non-light ceiling device, and if yes, which one?

I am installing one of these infrared heating panels hardwired on my ceiling. My plan is to put a junction box into the ceiling (same size as a ceiling light), located underneath the panel. The wire ...
divB's user avatar
  • 1,531
0 votes
1 answer
93 views

Proper grounding of old fuse panel now turned J-Box

I am working on my old house from the early 1900s. It has 100A service, a 6x15A FUSE panel that was turned into a sub panel powered by 2x 20A circuits from a small "newer" 100A breaker panel....
Dentpusher's user avatar
6 votes
3 answers
1k views

What is this exterior electrical box and how do I cover it properly?

I'm the new owner of a 1956 Southern California home and discovered this curious plate on the stucco exterior: It's above, and to the left of the front door. There is a working sconce mounted above ...
swrobel's user avatar
  • 215
1 vote
1 answer
90 views

Can I fix a 1-gang steel box at the bottom onto a horizontal beam with a spacer?

Usually metal boxes are attached to vertical beams ("studs") in the wall. I have an opening in a lath & plaster wall with a horizontal beam just about 1/2"-1" underneath the ...
divB's user avatar
  • 1,531

15 30 50 per page
1 2
3
4 5
32