Mulberry 30381W Stamped Alumin...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1.82
Mulberry 30381W Stamped Aluminum Round Cover, 4-Inch

Mulberry 30381W Stamped Aluminum Round Cover, 4-Inch

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Model: 30381W

In Stock (leaves warehouse same day if ordered before 3pm ET)

$1.82
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Mulberry 30381W Stamped Aluminum Round Cover, 4-Inch

The Mulberry 30381W is a 4-Inch round cover engineered for use with standard round electrical boxes and conduit outlet fittings, giving installers a clean, finished way to close off unused openings or wiring points. Constructed from stamped aluminum, this cover combines light weight with solid corrosion resistance, making it a practical choice for a wide range of residential, commercial, and light industrial electrical projects. Its simple round profile is sized to match common 4-Inch round box and conduit body openings, so it drops into place without requiring special tools or hardware modifications. Electricians and maintenance crews rely on covers like the 30381W to keep round box and conduit installations code-tidy and protected from dust, debris, and incidental contact once wiring work is complete.

Key Features

  • Trade Size: 4-Inch diameter is sized to fit standard round electrical boxes and matching conduit outlet fittings.
  • Durable Construction: Stamped aluminum construction provides lightweight strength along with corrosion resistance for long service life.
  • Round Cover Design: Low-profile round cover delivers a clean, finished closure over unused box or conduit openings.
  • Consistent Fit: Stamped manufacturing process helps ensure a consistent, repeatable fit across units for reliable installations.
  • Straightforward Installation: Simple round mounting profile is designed for quick, tool-friendly installation on compatible round boxes and fittings.
  • Versatile Use: Suitable for closing out round boxes or conduit bodies in a variety of residential, commercial, and light industrial settings.

Technical Specifications

  • Refer to manufacturer documentation for complete technical specifications.

Typical Applications

  • Round Electrical Box Closures
  • Conduit Body and Outlet Covers
  • Residential and Light Commercial Wiring Projects
  • Renovation and Remodel Electrical Work
  • New Construction Rough-In and Trim-Out

Why Mulberry?

Mulberry manufactures electrical covers and fittings from quality materials like stamped aluminum, giving electricians and contractors dependable components they can install with confidence. The 30381W's straightforward, durable design makes it a practical option for closing out round electrical boxes and conduit outlets cleanly on any job site, from new construction to service and repair work. Choosing a purpose-built round cover like the 30381W over improvised solutions helps keep installations tidy, protected, and ready for inspection.

Manufacturer Resources

Mulberry Full Line Catalog

Product Specs

Product Type:
Blank Cover
Product Material:
Aluminum
Product Size:
4-Inch
Department:
Electrical
Product Group:
Boxes & Enclosures
Product Subgroup:
Box Covers

Mulberry 30381W – Frequently Asked Questions

1) Will the Mulberry 30381W fit a standard 4-inch round electrical box?
Yes. The 30381W is a 4-inch round cover sized to match standard 4-inch round electrical boxes and matching conduit outlet fittings. It drops onto the box opening without special tools or hardware modification.
2) What does the Mulberry 30381W actually do - is it a blank cover or does it have a device opening?
It is a blank round closure. The 30381W closes off an unused round box or conduit body opening, keeping dust, debris and incidental contact out once the wiring work is finished. If you need to mount a receptacle or switch on the box, you need a round device cover with the matching cutout, not this one.
3) Can a 4-inch round aluminum box cover be used outdoors or in a damp location?
The 30381W is a stamped aluminum blank round cover, and aluminum gives it corrosion resistance for residential, commercial and light industrial work. It is a flat closure plate, not a gasketed weatherproof cover, so for a wet or damp location use a listed weatherproof cover with a gasket instead.
4) What part number do I order for the Mulberry 4-inch stamped aluminum round cover?
Order Mulberry 30381W. That is the manufacturer part number for the 4-inch stamped aluminum round cover, and it is the single model offered.
5) Is an aluminum round cover a good match for a steel 4-inch octagon or round box?
Mechanically yes, the 30381W is a 4-inch round profile and seats on common 4-inch round box openings. Note the cover is aluminum while most standard boxes are galvanized steel, so in damp or coastal environments where dissimilar metals sit in contact you may prefer a steel cover. Indoors it is a non-issue.
6) Do I need to buy mounting screws separately for a Mulberry round box cover?
The 30381W installs on the box's own mounting points with a simple round profile and needs no special tools or hardware modification. Standard 8-32 cover screws are what hold a round box cover on, and most boxes ship with them; if yours are missing, pick up 8-32 machine screws.
7) Is the Mulberry 30381W suitable for new construction rough-in as well as retrofit work?
Both. It is used on new construction rough-in and trim-out, renovation and remodel wiring, and as a conduit body or outlet closure in service and repair work. For MRO crews it is the standard way to close out a round box left live for future use.
How fast can I get the Mulberry 30381W delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Mulberry 30381W come with a warranty?
Absolutely. The Mulberry 30381W is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Mulberry 30381W?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Mulberry 30381W from ZenSupply?
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