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Description
Made in USA — 4" Square Flat Blank Device Cover (11201, Universal 52C1)
Product Overview
This 4-inch square flat blank device cover is manufactured in the USA and is designed for mounting a single electrical device to a 4" square electrical box. Commonly called a “mud ring” or “plaster ring” in the electrical trade, this configuration is standardized across multiple brands under the universal number 52C1 — indicating a flat, square, 4-inch, blank electrical box cover.
Key Features
- Made in USA — heavy-duty stamped steel construction
- Flat profile used to cover an electric box that is not in use or used as a junction box only.
- Pre-galvanized steel for corrosion resistance
- c-UL-us Listed for code compliance
- Installs on a 4" square metal electrical box
Use & Application
These square steel covers are used to mount over a 4 inch square electrical box to either blank-up an existing box or provide access if future conduit runs are required. Suitable for residential, commercial, and industrial electrical installations — especially in exposed, utility, garage, workshop, or mechanical spaces where a steel device cover is required.
Technical Specs
- Material: Pre-galvanized steel
- Thickness: 1/16" (approx. 0.0625")
- Size: 4" square
- Raised Height: Flat
- Listing: c-UL-us
Ordering & Identification
- Manufacturer Catalog No.: 11201
- Universal Reference Code: 52C1
- Unit UPC (Each): 095327112017
- Master Pack: 25 pieces per carton
Why This Cover
This 4" square blank flat mud ring delivers dependable fit, and is used to cover unused 4x4" metal electric boxes. Also used to cover 4 inch electric junction boxes. Pre-galvanized steel resists corrosion and distortion during installation, making it a long-term, job-site proven solution.
The Universal Number 52C1 is a manufacturer-specific code for a flat, square, 4-inch, blank electrical box cover made of galvanized or zinc-plated steel. It is used to cover an electrical box when it is not in use. The part is manufactured by several companies, including Steel City (a brand of ABB), Garvin (a brand of Southwire), and Hubbell.
Bulk & Other Raise Sizes
Need bulk quantities or the same cover in a different raise size? Wallplate.Store stocks multiple configurations and can supply larger quantities upon request.
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