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Manufacturer Resources
Product Specs
- Country Of Origin:
- United States
- Number Of Knockouts:
- 0
- Selling Unit Of Measure:
- each
- Standards:
- UL E2969
- Surface Finishing:
- Pre-Galvanized
- Department:
- Electrical
- Product Group:
- Boxes & Enclosures
- Product Subgroup:
- Box Covers
- Product Type2:
- Outlet Box Covers
- Product Size:
- 4 Inches
- Product Shape:
- Square
- Product Material:
- Steel
- Product Type:
- Plaster Ring
Steel City 52 C 00 – Frequently Asked Questions
1) Will the Steel City 52 C 00 ring fit a standard 4-inch square box?
Yes. The 52 C 00 is a 4 inch square plaster ring, so it mounts to the two diagonal screw holes on any standard 4-inch square outlet box. It's a flat (zero raise) ring with a two-gang device opening.
2) Can I mount two devices, like two switches or two receptacles, with this ring?
Yes. It's a two-gang ring, so one 4-inch square box takes two devices side by side with a standard two-gang wall plate over it.
3) What is the difference between the Steel City 52 C 00 plaster ring and the Allied Moulded 9345 plaster ring?
They differ in material, gang size, and profile. The Steel City 52 C 00 is a steel, pre-galvanized flat two-gang ring for a 4 inch square box. The Allied Moulded 9345 is a PVC one-gang raised plaster ring from the FiberglassBox series. So the 52 C 00 covers a two-device opening with no raise, while the 9345 serves a single device and brings the mud ring forward off the box face. Pick by how many devices the opening carries and whether the box sits flush with or behind the finished wall surface.
4) I need a plaster ring for a single device, not two. What should I use instead of the Steel City 52 C 00?
The 52 C 00 is a two-gang flat ring for a 4 inch square box, so it will not mount a single device correctly. For a one-device opening, the Allied Moulded 9345 is a one-gang raised plaster ring in PVC. Confirm the ring pattern matches the box you are covering before ordering.
5) What is a flat plaster ring used for instead of a raised one?
A flat ring like the 52 C 00 adds no depth, so it's for surface-mounted boxes or boxes set flush with the finished wall surface. If the box is set back behind drywall or plaster, you need a raised ring sized to that material thickness instead, such as the Allied Moulded 9345 raised ring for a one-gang device.
6) Is the Steel City 52 C 00 ring UL listed?
It carries UL file E2969.
7) Does this ring come with knockouts for conduit?
No. The 52 C 00 has zero knockouts. Any conduit or cable entries have to come through the box itself, not the ring.
8) What material and finish is the 52 C 00 plaster ring, and is it OK in a damp utility room?
Steel, pre-galvanized. The zinc coating handles normal interior and utility-space humidity. For wet or corrosive locations use a nonmetallic ring instead, such as the Allied Moulded 9345 PVC raised ring.
9) Is this plaster ring sold individually or by the box?
The 52 C 00 is sold each, so you can order the exact count for the job rather than a full carton. It's made in the United States.
How fast can I get the Steel City 52 C 00 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 00 come with a warranty?
Absolutely. The Steel City 52 C 00 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 00?
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 00 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.