Creative Solutions Since 1982

Single + Blank Plaster Ring for 4'' Square Electrical Box

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Use this 2-gang single + blank plaster ring to install one electrical device on a 4" square box. 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 with all types of standard devices: decorator paddle switches, GFI outlets, toggles, duplex receptacles, single receptacles, ceiling fan controllers, speakers, etc.


  • 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-"). Device mounts onto mud ring and switch plate mounts onto device.
  • Mulberry. UL listed.
  • Fits with all standard devices.
  • 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. Please trim the included screws, use with spacers to adjust the seating, or request 1/4" screws with your switch plate order if necessary.
  • Guide for Covering Centered Switches - to ensure you order the correct mud ring and wall plate cover for your specific electrical box!

If installing on larger 4-11 boxes, see the double switch plaster ring for 4-11/16" junction boxes.

Click Electric Switches, Outlets, Dimmers for Switchplates for black, brown, gray, white, ivory, light almond or red devices.

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Product Reviews

  • R
    Ryan Dermody Verified Buyer
    23rd Jun 2022
    Exactly what I was looking for

    This was the only offset mud ring that I could find. I’m grateful that it was in stock because it was exactly what I needed. Worked great!

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