put a plastic plaster ring on metal box If was in the situation where I actually used a plastic 4sq (don't think I've ever used one) and didn't have a plastic mud ring I'd probably just use a ground clip. Of course you could . The solar panel junction box, commonly known as the PV junction box, is a box that enables electrical connections to be made between the solar cell array and the solar charge control device composed of solar cell modules.
0 · plastic ring over metal switch box
1 · extension rings over metal boxes
Workers who primarily program computerized equipment are called metal and plastic machine workers. Installation sheet metal workers install heating, ventilation, and air conditioning (HVAC) ducts. They also install other sheet .
If the screws are going into the metal box, you should be fine. Extension rings are only to be used within reason. They also make extension boxes of various depths, and those .
If was in the situation where I actually used a plastic 4sq (don't think I've ever used one) and didn't have a plastic mud ring I'd probably just use a ground clip. Of course you could . Using a plastic extender is fine as long as there is a ground wire connected to the device if it is a grounded receptacle (three hole). If it is not a grounded (two hole) device it is .
Metal boxes need a proper depth plaster ring and make it harder when a DIY cuts the drywall due to the rounded edges. Plastic boxes and NM are about twice as fast to install over metal. Plastic have the built-in nail vs .Is there any issue with mixing a plastic box with a metal ring? And do I need to do anything to bond the mud ring to the ground, or is the normal connection to the receptacle (which connects to the mud ring) enough to get a proper ground?
I would not use a plastic ring on a metal box for my own reasons. Not sure if it is a code violation or not. As far as grounding them all you have to do is install them on a metal . Since these mount on the outside of the box, instead of inside like the Arlington’s do, it seems like they should work better with the plaster rings. Supposedly these are available . I looked around for 2 gang metal box extenders, but all those I found requires the mud ring to be removed. I looked at a few plastic ones, but they seem to be sized for the . I see a lot of 4" square PVC boxes installed w/ metal device adapter rings. Is this code compliant?
I have been told that plaster rings as an extension on surface mounted metal boxes with exposed metal conduit are not allowed by 2014 code? In this case the electrician .
Electrical - AC & DC - Using plastic box extenders on metal boxes - Is it ok to use plastic box extenders on existing metal single/double gang boxes? The reason I ask is that while attempting to tighten/secure some loose receptacles I noticed that they were not installed properly. The Front of the gang box ends Set them the correct depth and go. Metal boxes need a proper depth plaster ring and make it harder when a DIY cuts the drywall due to the rounded edges. Plastic boxes and NM are about twice as fast to install over . I use any plastic box, but i normaly have to tin snip 1/4" off the plastic tabs to get my depth. I use my osculating tool to cut the plaster and lath to keep damage to a minimum. There is a company that makes a tan remod box with metal tabs, they work great but hard to find.
The 2 reasons people use old work plastic boxes (the kind with the tabs that grab onto drywall) is that they are cheaper than a metal "device" box that allows you to screw into the stud from inside the box and all other new work boxes require you to open the wall up to attach them to the stud.
A regular two gang box would make sense since it's residential, and he used a plastic Carlon box instead of a metal 4 square. Even if he wanted to use that box, the mud ring should have been installed at rough in before the tile, and instead he put not a 2 gang extension ring on, but 2 single gang extension rings on. Using three or four weather rated 1/4" wood screws would secure the box without penetrating the interior side. As a side thought maybe you could only recessed the pancake box 1/2" and leave the plaster ring concealed behind the light box. From the picture it appears to have enough room to conceal the extension ring. Open the plaster a bit more to reveal the screws in the corner that hold the ring to the square box below. Because the square box itself appears to be sufficiently anchored, you may be able to install a heavy duty fan rated 4-S/5-S to 4-O plaster ring onto it and away you go. Or, preferably, pull the box and install a fan-rated box.Plastic boxes are not as good as steel. After 20 or 30 years if not sooner they have to be replaced because the screws don’t tighten anymore. I would notch the side of the stud for the metal screw tang that protrudes from the side of the metal box. That will ensure that the metal box sits flat against the stud.
For in-wall applications, we install what's called a "mud ring" or a "plaster ring" that essentially cover the front of the box except for an area the size of a regular single-gang (or two-gang depending on application, of course) box, which has a flange that protrudes forward at the same depth as the thickness of the drywall, so the holes are . You might consider the smaller "metal outlet boxes" that are mounted as "old work" using "madison straps". The advantage is that (at least some of) the metal boxes are smaller than the plastic boxes so you have a larger margin between your box hole and the outer dimensions of your outlet plate so that more damage to the surrounding plaster can be concealed by the plate. Well, your first concern was the accessibility of the conductors. They are still accessible by removing the extension box revealing the plaster ring. The plaster ring is no worse than any installation of a receptacle or switch in there. The extension ring may be an overkill, but it certainly isn't making the conductors less accessible.
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Multiply quarts of water by: 3lbs. plaster for normal shit. 2.85lbs. plaster for slip casting shit. 2.75lbs. plaster for really absorbent softer shit. This gives you how much plaster you need for your water. To find how much plaster you need for a space AND you can measure your object: Measure width, length, and height of space. To replace the box I need to cut those conductors and create slack out of nothing. Not to mention the existing set screw connectors up top and bottom will be very stubborn to detach. Using a regular 2 gang plaster ring would end up having the plaster ring visible, as well as a portion of the back side of that would be sheetrock instead of metal. Lighting, Light Fixtures, Ceiling and Exhaust Fans - Installing round light plates on rectangle box - I am building a home in the Bahamas and found my electrician roughed in all my designated light locations with 4" x 4" "smurf" plastic boxes . Correct. In a metal box, the ground wires from the cables go to the box's grounding screw first. Then, the switches pick up ground via their mounting screws, and receps pick it up either through a "self-grounding" feature against the screw threads, or via hard flush metal yoke-box contact, or via a ground pigtail to the screw or a clip.
Hello! I'm planning a ring circuit and was wondering if there any guidelines about when you need a earth terminal in a plastic mounting box. The plaster on the walls is too thin to take a 25 mm metal box so I was hoping to attach plastic boxes . You were refering to a plastic box with a metal raised single gang or 2gang plaster ring? JJ . Jim W in Tampa Senior Member. . Durham, NC. Oct 10, 2008 #10 Why would they use a metal plaster ring ? Click to expand. Maybe cause there tired of the being defaced by a roto-zip, frankly Its just a guess . I ran across a plastic raised cover on . So, when one uses mud rings (in the case of plaster/lathe walls for instance) does one compound right up to the inner boarder of the ring? Is that the goal.so the box looks totally embedded in the wall with just the void of the box's opening visible? . I have a 1.5" box and a 3/4" mud ring .the mud ring will probably end up being set back .
The mud ring was barely covered in plaster. You had to be carful if you had to add a ground screw. If you didn’t cut it down, it would blow out the plaster on the other side of the wall. That’s if it didn’t blow out just getting the plaster out of the ground screw hole. Is it possible that you could just skim coat the whole area around . I have a single socket sunk into a standard metal box in a plaster wall on a ring main. . The metal box is very secure in the plaster and trying to squeeze a Wago box inside it could be tight. . so no lifting of floorboards upstairs and yes, the cables come down the wall inside plastic conduit. OP . A. Always learnin. DIY. Joined Sep 22 . The plastic extender would not slide insider the box but instead would but up against the box because the plastic extender is the same dimensions as the original metal box. Is does butt nice and flush up to the box and would provide sufficient depth to bring it .
Just hung a 50 lb mirror in plaster. Does the mirror have 2 metal rings on the back? Tie picture wire between the 2. Locate the closest 2 studs to where you want to hang and use at least a hook that comes with a 2" nail. Nail one hook though the plaster and into each stud. Hang the wire on the back of the mirror on both hooks. I've done over a hundred boxes through old plaster in my 1886 house, and tried ALL of the choices. Here is my exhaustively researched solution. 1) find a stud - locate box against either side. Use a blue plastic NEW WORK box with all the nail retaining clips cut off flush, leaving a clean rectangle.Like others have mentioned, a toggle is the way to go with plaster. My go-to anchors for plaster are the Toggler snap toggle anchors. The downside to a normal toggle anchor is that you tend to have to put the whole assemply together before inserting the toggle into the wall.Single gang metal box with forward facing adjustable brackets comes with built in connectors top and bottom for either romex or mc, also has knockouts. The problem is I did like 4 years old work resi so I can put a blue or grey plastic old work box almost anywhere securely, but I can't land mc in it and we do primarily commercial now so that's .
Electrical - AC & DC - Box extender for 4" metal box with mud ring - I have a unique situation where an existing 4x4 metal box was installed (probably in 1955) but at a later time someone added a layer of wood panel over the wall that is about 5/8 thick. This created a gap between the box and the finish plate As far as selecting an actual box, from experience, I recommend getting a 2-gang plastic box (or something equivalent in size if you want to use metal). The larger the capacity the better because a NEMA 14-30 receptacle with four #10 wires is not only bulky, but can be a very stiff pain to manipulate.
plastic ring over metal switch box
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