If this is true, then the receptacle could not be replaced if it failed or if a different type of receptacle was needed in the future without cutting away the drywall from the perimeter of the raised portion of the mud ring. This means that the receptacle would need to be installed into the mud ring from the back side and the mud ring installed on the box prior to the dry wall being installed. If I'm using a single 240 volt receptacle in the box, the box cover will have a single small hole in the center of the cover for the front face only of the receptacle to protrude through. I'd appreciate if some of you experts would tell me where my understandings stated above are wrong. My understanding is that Type Two is used for exposed wiring (no dry wall or surface covering of any type) and I suspect this type of cover should also be used with a handy box which has rounded corners so that it won't "catch stuff" like an exposed square-cornered metal box can. The raised portion of the mud ring will sit in a hole cut into the drywall so that this portion of the mud ring is flush with the outer surface of the drywall.
The drywall will cover the flat perimeter portion of the mud ring. My understanding, which may well be completely wrong, is that Type One is called a mud ring or plaster ring that is installed on top of the box prior to drywall being installed.
Type Two is entirely raised, typically 1/2", even along the outer perimeter where it is sitting on the outer edges of the box. Type One has a flat perimeter, which touches the edges of the box, and the inner portion of the cover is raised either 1/2" or 5/8" depending on the cover design. There appears to be two types of metal covers for the metal electrical boxes. The paneling will be screwed to the studs so that it is relatively easy to remove in case I want to modify the wiring in the future. The walls will be insulated with fiberglass batt, then covered with 3/16" thick plywood sheets as paneling. The workshop is wood-framed 2 x 4" construction. I will be using 4 x 4" metal boxes to each hold a single 240 volt receptacle in my workshop. If installing on larger 4-11 boxes, see the double switch plaster ring for 4-11/16" junction boxes.Ĭlick Electric Switches, Outlets, Dimmers for Switchplates for black, brown, gray, white, ivory, light almond or red devices.I'm a bit confused about mud or plaster rings for electrical boxes and know some of you guys can provide the needed guidance. Guide for Covering Centered Switches - to ensure you order the correct mud ring and wall plate cover for your specific electrical box!.Please trim the included screws, use with spacers to adjust the seating, or request 1/4" screws with your switch plate order if necessary.
If using with a Decora rocker switch plate opening, you may need 1/4" screws as 5/16" long screws may be too long and touch the mudring.Device mounts onto mud ring and switch plate mounts onto device.
4.25" x 4.25" flat plaster ring is a steel cover with 4 quick-install screw slots for use on 2-gang electrical square boxes (4-4" x 4-").Use with all types of standard devices: decorator paddle switches, GFI outlets, toggles, duplex receptacles, single receptacles, ceiling fan controllers, speakers, etc.
#4gang flat plaster ring install
Mudring can be flipped over the install the switch on either the right or left side of the box while leaving the other side empty. Use this 2-gang single + blank plaster ring to install one electrical device on a 4" square box.
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