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Questions tagged [junction-box]

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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.

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I had a tree fall down and knock an outdoor light fixture off the wall of my house. I wasn't using the light anyway, so I want to just close up the hole safely. I'm going to cap the wires with wire ...
undermountain's user avatar
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How do I determine what the required steps and ordering are if I want to remove these junction boxes? I'm having trouble gauging the feasibility of this project so that I can potentially remedy this ...
iban's user avatar
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I purchased Halo LED Lights from Lowes. The junction boxes are quite small -- the LED driver and ground wires come with the connectors shown in my photo. I used some 12/2 scrap wire to practice and ...
shackleton's user avatar
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EDIT: the correct answer still remains. I just put an access panel and the junction box because I had to replace an undersized 14 AWG nmb cable and made it easier to fish new 12 AWG. The access panel ...
ChucktheDuck's user avatar
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We're replacing a chandelier in our old old house. The wiring is all over the place but is generally very old. When we removed the old chandelier, we discovered the situation pictured in the ceiling ...
Jacob's user avatar
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My main panel has a 1-1/4" (1.25) emt conduit that feeds a subpanel. I'm getting rid of the subpanel to free up wall space and I have enough full-size breaker spaces to transfer the circuits to ...
dabi's user avatar
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With regard to the junction box of my dishwasher, the instructions say to use a clamp connector, I assume for the hole in the back of the junction box through which you are supposed to pass the power ...
Ken Boone's user avatar
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This is in a ten year old house. The builder put in a black 4” shallow round electrical box to mount the ceiling dome light fixture on in one of the rooms. It is mounted on a joist. I’m trying to ...
poojnf's user avatar
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I have RW90 7 wires AWG12/1 coming inside from a conduit body located on the outside Conduit size is 1" I can screw the box to the plywood panel that is next to my electrical panel right above ...
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I'm sectioning off an area of my basement for a home gym. I plan to use a 20amp GFCI breaker with 12/2 Romex cable to a junction box and then 12 gauge THHN (3 wire) in EMT. I've set up the EMT and ...
shackleton's user avatar
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The ceiling and walls were recently completely reskinned, so, it seems a shame to cut a hole to find beams to bolt a new extra-large fitting to. How much do these things bear? Is it possible to ...
Fattie's user avatar
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Dayton, OH, 2023 NEC. I am putting some ice melting wire on my roof keep stuff draining properly - I've had the gutters freeze and then water overflow onto the walking path, icing it over. In fact, ...
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I was looking to replace a light in my garage with an outlet. I took off the light to find that it was wired to two white wires and there was two black wires capped together and two red wires capped ...
byte's user avatar
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This is a question which is probably so obvious I can't even google a result. I have found a circuit to which I would like to add a fixture. The fixture site is about 5 feet from the current cable run,...
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The junction box in my ceiling is square with an adaptor for ceiling lights with screw holes measure 2.75 inches center to center. I want to cover the box and plaster the ceiling but I couldn't find ...
deprivedgolem's user avatar
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I just bought this ceiling fan and am stuck on how to install the ceiling mount. I recently purchased a new construction home with these 4 in. ceiling boxes installed already. They have a white ...
Will's user avatar
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I recently bought an old flat (500 years old in fact) and I just got around to investigating the loft. There are light fittings up there, but they don't work, so that became my first priority. I ...
TonyK's user avatar
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We're framing a new basement bathroom. This electrical box is in the way. Later, we're hiring electricians to wire the room, but how do we move the box now so we can frame? https://imgur.com/a/H1TbI2E
Jeremy's user avatar
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I have an addition being constructed and I fished wire for an outdoor light fixture next to the door. When the siding was getting installed, the siding guy removed the 4" surface-mount ...
peter's user avatar
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I'm new to using metal box covers on 4" and 4-11/16" square boxes. All the boxes I've got only have two bolts/threads to secure a cover, while the covers have four holes. For aesthetics, ...
Armand's user avatar
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There is an existing PVC stub coming from inside that currently carries sprinkler wires (for the valves in the front of the picture). There is another pipe going into the ground where I want to run an ...
divB's user avatar
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I have a standard outlet that's installed in a panel using a single gang old work box. There's any amount of information about installing boxes of this sort, you just push it through the hole, ...
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My dryer was plugged in through a Smarthome Signalinc phase coupler (couples X-10 control signals between the two phases). The coupler died, melted itself, melted the receptacle that it plugged into, ...
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I am converting to an induction cooktop GE profile PHP9030STSS and I have a built-in oven GE JTP30SMSS below the cooktop. I am trying to figure out what is the best place for installing the junction ...
ch001's user avatar
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I'm in the process of replacing some of the wiring in my house. I just opened up a j-box and found two circuits. The first is just two NM cables (a load and a line) connected directly—no big deal. The ...
LandonSchropp's user avatar
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I am putting new undercabinet lights and outlets in my kitchen. The wire with the whips were newly ran. Do I need to have a junction box in the wall behind the cabinet? I figured that since they are ...
DIYNoob's user avatar
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I am replacing my outdoor lights. The junction boxes are round, metal, and have hot, neutral, and ground wires. My new sconces have the same. The new sconces also have a separate mounting bracket with ...
Greg Virgallito's user avatar
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In the place I've just bought, two dimmer switches are coexisting badly in a box. I found the switch plate askew, because the two switches are too far apart. It does not seem possible to push the ...
bmargulies's user avatar
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4 votes
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Trying to put 15A GFCI in a 4x4 box with an old-school single-receptacle mudplate. The ears on the GFCI means it does not sit flush against the front of the mudplate. As far as I can tell, the ...
THill3's user avatar
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NEC 2023 in Ohio. I'm considering options for under-cabinet LED lighting. I have a power supply that I want to use that is 3.7" x 1.6" x 7.4", and has a small built-in split enclosure ...
Help-ful-less's user avatar
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I was installing a TV mount on the stud above an outlet and the stud to the left of the stud with the outlet, about a foot above the outlet for the bottom lag screw. The bottom lag screw on the stud ...
mikeb's user avatar
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Preface: I am new to electrical and am doing this project DIY but will have it inspected to pass code. I am wiring an office room with a switch and 4 lights. My understanding is the wire from the sub ...
Nathan Brewer's user avatar
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I am planning out a rewire of my basement to add more light. Once I run the main power wire (14-2) from the main panel and through the switch I need to split it into two branches for the two sides of ...
THill3's user avatar
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I’m guessing the metal rod going through the box is screwed into the joists. Is there good way to remove this while doing the least amount of damage to the ceiling? I would like to remove the box, ...
6114617's user avatar
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My ceiling light has white and black wires. My junction box however doesn’t have a black wire. It has white, blue, green, red, yellow. From what i understand white to white. But black from my light ...
Udit Chauhan's user avatar
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I have another question related to installing a ceiling fan box. My plan was to install a ceiling fan box in a location that had a standard box already installed on a plywood spacer glued to a joist. ...
Jim's user avatar
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Consider a device box like this one, which has 8 knockouts and 4 integrated cabled clamps: In most installations, only a few of the knockouts are actually used, with some of the cable clamps having ...
Alexander's user avatar
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I’m wiring a 5 gang light switch. The boxes are pretty crowded. Can I per code use two junction boxes in this manner? The first junction box will be in the basement just below the switches. I will ...
Brent's user avatar
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Have a few led flood lights similar to this one as pictured, Amazon review below These come with a yoke and a not easily replaceable bare wire appliance cord. What options would I have in the US to ...
cde's user avatar
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I'm installing a ceiling fan into what has been confirmed by my electrician to be a fan-rated box. Before I got here, there was a blank plate installed over the box, of a type I was unfamiliar with, ...
Mark's user avatar
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I’m trying to install a ceiling light (no fan). This is my 3rd install, so I thought I knew what I was doing. There are 4 total wires out of the ceiliing junction box. 1 red, 1 black, 1 white and 1 ...
Steve Luh's user avatar
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I have the following boxes on my exterior wall: It’s a normal 1gang ENT box with an extension ring. The extension ring screws onto the actual box with a long #6 screw. I got the following outdoor ...
divB's user avatar
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This thermostat came with my radiant floor mat. Along with proprietary wires, it takes line voltage. However, it doesn't fit a standard junction box. Also, it did not come with any special mounting ...
Wynne's user avatar
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There's an outlet in the front hall of my house near Atlanta, GA. I noticed scorch marks on the face, so I decided to investigate it a bit. My outlet tester indicated an open ground. When I opened up ...
Kurt Tomlinson's user avatar
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I have electrical boxes on my patio which are planned to be used for patio lamp switches: They are normal Carlon ENT boxes but because they were not high enough, the contractor used an extension ring....
divB's user avatar
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Wife wants bedside pendant lights. I am not totally sold and don't really want to put two 4inch holes for the junction boxes since our ceilings are textured and it will be hard to match if this does ...
Jakob's user avatar
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I am in the process of running electrical to a metal box on the exterior of my house. I've got a weatherproof cable gland and a universal vinyl mounting block. I planned to surface mount the metal box ...
ThinkImHandy's user avatar
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I'm in Pennsylvania (US). We recently had a patio installed and I chose to do the electrical myself. I've done tons and tons of residential electrical, including weatherproof outdoor receptacles, but ...
ThinkImHandy's user avatar
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I've had to install a few of these in "old work" contexts (i.e. drywall is already up) in garages. I typically cut out enough drywall to snugly fit the box (4"x4") next to the stud,...
peter's user avatar
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As you can hopefully see from the picture, one of the screw studs is all mangled and doesn't accept a screw. How do I remove this so I can put in a new one? I was under the impression you just twist ...
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