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Manufacturer Resources
Product Specs
- Product Material:
- Steel
- Surface Finishing:
- Pre-Galvanized
- Department:
- Electrical
- Standards:
- UL E2969
- Product Type2:
- Outlet Box Covers
- Product Group:
- Boxes & Enclosures
- Number Of Knockouts:
- 0
- Product Subgroup:
- Box Covers
- Product Color:
- Silver
- Product Shape:
- Square
- Selling Unit Of Measure:
- each
- Product Type:
- Blank Cover
Steel City 52 C 1 – Frequently Asked Questions
1) Does this Steel City square box cover have any knockouts or openings for a device?
No openings at all. It is a flat blank cover with zero knockouts, so it closes the box completely. If you need to bring a fixture stem, pipe or device through the cover, you need a knockout or device-style cover instead.
2) What should I use instead of a flat blank square cover if I need to hang a fixture from the box?
A flat blank cover has no knockouts and no fixture support, so it only closes off an unused or junction box. When the 4 inch square box has to carry a fixture or pipe drop, the RACO 897KH KWIK-HANG Series swivel cover is made for a 4 inch square box and accepts 1/2 or 3/4 inch pipe. Keep the Steel City 52 C 1 flat blank for the openings you are simply covering.
3) Can a blank square cover be used to close out an abandoned junction box?
That is the normal use. A flat blank steel cover with no knockouts seals a junction or pull box where splices remain inside and no device is mounted, keeping the box accessible but closed. It is sold each, so you can buy exactly the count you need for a punch list.
4) Will a pre-galvanized steel cover hold up in a damp mechanical room or parking garage?
The cover is steel with a pre-galvanized finish, which gives it indoor corrosion resistance for dry and normally damp interior locations such as mechanical rooms and electrical closets. For wet locations or outdoor exposure, use a gasketed weatherproof cover rated for that service rather than a flat blank pre-galvanized one.
5) I have both 4 inch and 4-11/16 inch square boxes in the building - can one cover serve both?
No, the cover has to match the box size. The Steel City flat blank square cover is made as 52 C 1 for 4 inch square boxes and 72 C 1 for 4-11/16 inch square boxes, both steel and pre-galvanized and sold each. For comparison, the RACO 897KH swivel cover is built for the 4 inch square box only, so a 4-11/16 inch box needs the 72 C 1 in the flat blank style.
6) What color does the Steel City square blank cover finish out to?
Silver, which is the bare pre-galvanized steel look. It matches standard galvanized square boxes and raceway in exposed industrial and back-of-house work. If the cover will be visible in a finished space, expect to paint it.
How fast can I get the Steel City 52 C 1 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 Steel City 52 C 1 come with a warranty?
Absolutely. The Steel City 52 C 1 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 Steel City 52 C 1?
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 Steel City 52 C 1 from ZenSupply?
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and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.