junction box around a joist Junction boxes, with blank covers are allowed above a suspended ceiling as it is not considered a closed space. The wires that are loose and wirenuted need to be put in a j-box. Also, clamps need to be used at each wire going into a j-box. $13.19
0 · what is a junction box
1 · plastic junction box installation
2 · metal junction box
3 · junction boxes above ceiling
4 · junction box wall mount
5 · junction box installation
6 · how to install junction box above electrical
7 · ceiling joists for electrial box
Material thickness determines amperage. As a guideline, each .001 inch of material thickness requires 1 amp of output: .125 inch = 125 amps. Select proper wire size according to amperage. Since you don't want to change wire, select one for your most commonly used thicknesses. • 30-130 amps: .023 inch • 40-145 amps: .030 inch
Choose a location for your junction box that is easily accessible and complies with local electrical codes. The box should be mounted securely to a stud or joist, with its face flush to the wall surface. For exterior installations, .
Junction boxes, with blank covers are allowed above a suspended ceiling as it is not considered a closed space. The wires that are loose and wirenuted need to be put in a j-box. Also, clamps need to be used at each wire going into a j-box. The center of the box will be right next to the ceiling joist. It literally would be touching the joist if you put a nail up through the center where the light will hang. If you use pancake boxes, do you just cut out a notch in the joist to .
I need to mount some junction boxes in my attic for some new wiring. Most junction boxes that I have seen are mounted on the wide face of . Mount the junction box on the wall. Always use the designated holes or brackets on the junction box to secure it to the wall. Many junction boxes come packaged with the proper fasteners. They can be screwed onto wall .
My plan is to set a j box on the rim joist and want to make sure I have it sized correctly. I will be running - 1/0,1/0,1/0 aluminum triplex with a #8 copper egc inside of 2”pvc . A junction box is not a special type of box but any standard electrical box used to enclose wire splices. The most commonly used box for junctions is a 4-inch square box (either metal or strong plastic), which offers . Place the open side of the ceiling junction box that came with an expandable brace kit against the ceiling where you want the box installed. Make the location of junction box . Place the open side of the ceiling junction box that came with an expandable brace kit against the ceiling where you want the box installed. Make the location between joists, not .
Nail a plastic box to the side of a joist. Secure the cables within 8" of the box. Keep the box in an area that will not be walked on.
The new boxes have a "U" bolt that wraps around the top on the box and the fan is attached by bolts with a nylon sleeve so they don't loosen. They have ones for new construction as well as retrofit boxes that fit into the 4" hole and attach by way of telescoping shafts, with prongs, into the joists. A google will bring you up to date about this. At the bottom of the stairwell is a joist that was drywalled over and I'd like to install the new fixture directly to this "wall" (joist). The problem is that there's no place to install a junction box without putting a huge hole in my floor joist. I'm basically mounting directly to the vertical side of a drywalled joist.Nailed to the truss or nailed to a joist? Me personally, I wouldn’t use a pvc box in the attic. . ResidentialSparkie • I’m the one that used nail-on pvc boxes as junction boxes . Around here (Midwest) all boxes are metal and ran with conduit or metal greenfield. They are all then tied into the panel. The panel is then grounded with a .
Depending on the force of the "ripped out of the wall". You might want to open the drywall back to the first studs , and follow the cable to the first staple or penetration, to see that the jacket of the romex wasn't peeled like a banana. then add a backing block and reclose the wall.
A junction box provides a safe, code-compliant space for housing cable connections for outlets, switches, or splices. . The box should be mounted securely to a stud or joist, with its face flush to the wall surface. . to the other grounds and connect it to the green ground screw located inside the box. Wrap the pigtail clockwise around the . Is there such a ceiling junction box that will allow me to attach it to the side of a joist from inside the box? NB: I have a finished ceiling. I know I can install a support bar and attach a box to it, but in a finished ceiling this can be a bit of a hassle.Everyone here is right and since you already have access above cleaned out your should do it the right way and cut a 2x4 to span the joists. BUT one thing others haven’t noted is that many ceiling fans these days come with a bracket wide enough (and specifically intended for, according to Hunter manuals) to sink grabbers directly into the joist that the box is hooked to.Upon taking down the old pendants and trying to mount new ones I found the existing junction box is 3.5” rather than standard 4” and won’t work with most pendants. The existing box was also installed poorly due to a joist being in the way so I’d like to replace it anyway. It wasn’t flush before and looked bad,
Globs of sealant around the PVC and box. The 'water plane' in the wall isnt only the outer surface- the ultimate plane is the waterproof tar paper under the stucco. The stub ensures water cannot get to the romex anywhere. Step 2: Mount the New Electrical Box to the Ceiling Joist. Once you have equipped yourself with all the necessary tools, put on your safety glasses and gloves, then locate the electrical box with a stud finder. Use a tape measure if you don’t have time for this step (or if your ceiling joist isn’t already close enough to the wall). Noting that the junction box is old and damaged, I thought it would be best to just replace the junction box entirely, using an “old work” junction box. So working the existing junction box, which seems to be made up of particle board, I was able to remove two screws that were bracketed (see the blue arrows) that I thought were holding the .
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You might puncture the floor above with the box's screws; If someday the subfloor were to be replaced that would be a problem for the junction box; Long screws or nails from new flooring could puncture or be stopped by the junction box. Why not just cut & attach a 2x4 support brace between the floor joists, and then attach the box to it?So I mounted the junction box inside the floor joist web and then installed the cover on it. It's a metal box 2x3x1.5 with 3 12-2 romex conductors coming in. The idea was to then have ceiling tiles ( that can be removed by just pushing up and moving to .It was more a matter of practicality for the proof of concept phase. The existing wires have very little slack / can't be done easily inside a junction box, plus I didn't have the junction boxes at the time and had a wife that was super anxious to the see . The problem is not the simple strength of the ceiling joists - we'll presume that even a single joist is strong enough to hold up a fan. The problem is that a box next to a joist will not be stable enough to support a fan if it is only .
If the joist is directly over the hole, there is a junction box (called a saddle box) that actually fits around a joist. I found them when I was looking for boxes for ceiling fans. This might keep you from having to do a separate box in the attic. . I can see why they did it as the joist is right there and the wire is coming from above. So how would I route it correctly? The circled section at the top is where the issue is. The bottom Circle is where it goes. There’s not much .Now, for the first picture, my idea was to install a junction box in between the joists just to the right of the picture (hot wire is coming in in under the joist to the right, the switch & an outlet are toward the camera, and the load the switch controls is off to the left).
When conductors are pulled to a 12" × 12" × 4" junction box, a minimum of ? of free conductor shall generally be left for splices or the connection of luminaires or devices. . When a hole is bored in a wood joist for the installation of Type NM cable, the nearest edge of the hole shall generally not be closer than ? to the nearest edge of . They work well together, and are designed for this. Octagon boxes are fine too but don't have many cubic inches. If you need big cubes, get 4-11/16 boxes like the 5-cable install above, but they are pricey at big-box stores for some reason. Don't bother with pricey boxes with flanges, they give metal boxes a bad name on price lol.For heavy ceiling fixtures, they also make a special box that has 2 bolts the attach from the bottom of the box up into the joists. This type of box should be used for fixtures that weigh up to 80 pounds. They make other boxes with brackets that bolt between joists four very heavy chandeliers that weigh more than 80 pounds if you have any of these.
It’s a metal octagon box and I have the metal screw downs. I think I’ve probably worded my question poorly. If I screw the junction box to the side of the joist can I come through the rear knockout by drilling through the joist? If yes, can I do so without using a screwdown in the knockout and just secure the cable on the other side of the .I removed the can and pulled down what you see in the first photo. It appears there's a junction box in the ceiling feeding another junction box at the light. I was able to remove the flex cable from the second junction box at the light to expose white and black wires within the flex cable. Will current ceiling junction box support fan? Not exactly sure if a fan was mounted to it prior as I recently moved into this apartment. . These would go through holes in the metal "pancake" box, or around the box, into the wood joist. This box itself does not support the weight of the fan. What kind of fan are you mounting? – Jim Stewart . If it is not accessible, leaving a loose j-box is probably not an issue. If it is accessible, people walking/crawling around up there may be bumping/kicking loose j-boxes and causing connections to be broken. I think you have to look at why do we fasten j-boxes (and the cables entering them) in new construction. The same reasoning would apply.
Use a stud finder to ensure where the studs or support joists are. Cut the hole using a drywall saw or jab saw. Place your box into the hole and ensure everything is snug and tight. If the box has expandable clasps or joist supports, engage them now. Secure the box to the ceiling using thick screws or the included joist clips. My plan is to set a j box on the rim joist and want to make sure I have it sized correctly. I will be running - 1/0,1/0,1/0 aluminum triplex with a #8 copper egc inside of 2”pvc from 100 amp breaker inside a 200a service disconnect to a 16”x16”x6” j box.
what is a junction box
My go-to tool when cutting sheet metal as a HVAC tech is a double-headed sheet metal nibbler. It is a great tool to use when cutting the following metal materials: A nibbler is super easy to use. Simply attach it to your cordless drill and it can be driven to a rotation speed between 1500 and 3000 revolutions per minute.What Is the Best Way to Cut Sheet Metal? If you are cutting either straight lines or curves, you don’t have power tools, and you don’t have much sheet metal to cut, your best option is to use a pair of tin snips.
junction box around a joist|junction boxes above ceiling