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RACO 869AMR Square Adjustable Mud Ring Cover, Two-Device, UL Listed
The RACO 869AMR is a 4-11/16 in. square adjustable mud ring engineered to provide a clean, code-compliant transition between an outlet box and the finished wall surface. Configured for two devices, this cover accommodates switches, receptacles, or combination devices mounted in a single 4-11/16 in. square box. The adjustable ring design compensates for varying wall finish depths, from drywall to plaster and tile, keeping mounted devices flush and properly seated against the finished surface. Backed by UL Listing, the RACO 869AMR delivers dependable performance for commercial and residential electrical installations where a precise, professional device finish is required.
Key Features
- Trade Size: Sized for 4-11/16 in. square outlet boxes, matching standard box dimensions for a precise, secure fit during rough-in and finish work.
- Adjustable Depth: Adjustable mud ring construction allows installers to compensate for varying wall finish thicknesses, keeping mounted devices flush with drywall, plaster, or tile surfaces.
- Two-Device Configuration: Provides mounting space for two devices within a single 4-11/16 in. box, ideal for switch and receptacle combinations or other dual-device layouts.
- Square Shape: Square profile designed to align precisely with 4-11/16 in. square junction and outlet boxes commonly used in commercial and residential wiring.
- Cover / Mud Ring Design: Functions as a device ring cover that bridges the gap between the box opening and the wall finish, supporting a secure, professional-grade installation.
Certifications & Compliance
- UL Listed
Technical Specifications
- Product Type: Cover
- Product Size: 4-11/16 in
- Product Shape: Square
- Certified Listed: UL Listed
Typical Applications
- Two-Device Switch and Receptacle Installations
- Commercial and Residential Electrical Boxes
- Drywall, Plaster, and Tile Wall Finish Applications
- New Construction and Renovation Wiring Projects
- Combination Device Mounting in 4-11/16 in. Square Boxes
Why RACO?
RACO manufactures electrical boxes, covers, and mud rings engineered for dependable, code-compliant installations. The 869AMR's adjustable design and UL Listed construction give electricians a reliable way to finish two-device outlet boxes cleanly, regardless of wall finish thickness. Choose RACO for consistent fit, durable materials, and installation confidence on every commercial or residential job.
Manufacturer Resources
Spec Sheet
Product Specs
- list_batch:
- RACO-20260916
- Product Type:
- Adjustable Plaster Ring
- Product Size:
- 4-11/16 in
- Product Shape:
- Square
- Certified Listed:
- UL Listed
- Department:
- Electrical
- Product Subgroup:
- Box Covers
- Product Group:
- Boxes & Enclosures
RACO 869AMR – Frequently Asked Questions
1) Will the RACO 869AMR mud ring fit a 4-11/16 inch square box?
That is exactly the box it is made for. The 869AMR is a 4-11/16 in. square adjustable mud ring, so its square profile lines up with the mounting ears on a standard 4-11/16 in. square outlet or junction box. It will not sit correctly on a 4 inch square box; for those you need a 4 inch square ring instead.
2) How many devices can I mount in the RACO 869AMR ring?
Two. The 869AMR is a two-device ring, so a switch and receptacle pair, two switches, or a combination device set up fits in one 4-11/16 in. square box. If you only need a single device opening, this is the wrong ring.
3) What should I use instead of the RACO 869AMR when the opening only takes a single device?
The RACO 869AMR is a two-device adjustable mud ring sized for 4-11/16 in. square boxes, so it is the wrong trim for a single switch or receptacle. For a one-device opening, the Allied Moulded 9345 is a 1-gang raised plaster ring in PVC from the FiberglassBox series, which trims a box down to a single device opening. Match the ring to the box you actually have in the wall: the 869AMR mounts to a 4-11/16 in. square steel box, while the 9345 is a PVC ring intended for Allied Moulded's nonmetallic boxes.
4) Why use an adjustable mud ring instead of a fixed-depth plaster ring?
A fixed ring only works if your wall finish thickness matches the raised depth you ordered. The 869AMR adjusts, so the same ring brings the device flush whether the finish is drywall, plaster, or tile. That matters on remodels and on jobs where the finish thickness changes between walls, and it cuts down on stocking several raised depths. A fixed PVC ring like the Allied Moulded 9345 1-gang raised plaster ring is the simpler choice when the finish depth is known and you only need one device.
5) What is the exact part number for the RACO two-device adjustable square mud ring?
RACO 869AMR. That single manufacturer part number covers the 4-11/16 in. square, two-device adjustable ring, so there is no depth or finish option to specify when you order it.
6) I need a UL Listed mud ring for a commercial two-gang box - does the Allied Moulded 9345 cover that?
No. The Allied Moulded 9345 is a 1-gang raised plaster ring, so it will not trim two devices. For a two-device layout in a 4-11/16 in. square box, the RACO 869AMR is the match: it is a square, UL Listed adjustable mud ring that provides mounting space for two devices such as a switch and receptacle combination in a single box.
7) Is a raised plaster ring like the Allied Moulded 9345 the same thing as the RACO 869AMR adjustable mud ring?
They do the same job in different ways. The Allied Moulded 9345 is a raised plaster ring in PVC, meaning the ring height is fixed and you pick the raise that matches your wall finish thickness. The RACO 869AMR is an adjustable mud ring, so the ring moves to compensate for varying wall finish depths across drywall, plaster, or tile and keeps the devices flush after the finish goes on. If you are trimming out before the final wall thickness is settled, that is the practical difference between the two.
8) Does a mud ring like the RACO 869AMR also close off the box, or do I still need a cover?
The 869AMR is the device ring itself. It bridges from the box opening to the finished wall surface and holds the two devices flush; the wall finish and the device plate close the rest. It is not a blank cover, so if you are closing an unused box rather than finishing it out with switches or receptacles, you want a flat blank box cover instead.
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Does the RACO 869AMR come with a warranty?
Absolutely. The RACO 869AMR is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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