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Manufacturer Resources
Spec Sheet
Product Specs
- Cubic Capacity:
- 30.3 Cubic Inches
- Knockouts:
- 13
- Mounting Method:
- Wall-/ceiling mounting
- Number Of Outlet:
- 1
- Outer Dimensions Inches:
- 20.6x8.1x12.2
- Outer Quantity:
- 50
- Standards:
- UL E2969
- Unspsc:
- 39121308 Outlet box
- Weatherproof:
- N
- Weight Uom:
- 87.5 lbs. per 100
- Department:
- Electrical
- Product Group:
- Boxes & Enclosures
- Product Subgroup:
- Electrical Boxes
- Product Type:
- Outlet Box
- Product Size:
- 4 Inches Height x 4 Inches Width x 2-1/8 Inches depth
- Product Length:
- 101.6mm
- Product Details:
- Outlet Boxes
- Product Color:
- Silver
- Product Shape:
- Square
- Product Material:
- Steel
- Product Width:
- 101.6mm
- Product Depth:
- 53.975mm
Steel City 52171 3/4 – Frequently Asked Questions
1) What size box is the Steel City 52171 3/4 and how much wiring volume does it give me?
It's a 4 x 4 inch square steel box, 2-1/8 inches deep, with 30.3 cubic inches of capacity. That volume is what matters for box fill when you're counting conductors, devices, and clamps into a single-gang device at a 4-square opening.
2) Will a 2-1/8 inch deep 4-square box fit in a 2x4 stud wall?
Yes. At 2-1/8 inches deep the 52171 3/4 clears easily in a nominal 2x4 stud cavity, which gives 3-1/2 inches of depth. The 4 x 4 inch face also stays within the stud bay.
3) Can the Steel City 52171 3/4 outlet box be used outdoors or in a wet location?
No. The Steel City 52171 3/4 is a steel square outlet box carried as non-weatherproof, intended for wall or ceiling mounting in dry interior locations. For an exposed exterior device location, the Mulberry Royal Mountie weatherproof outlet box is a die-cast aluminum 1-gang weatherproof box, and the Thomas & Betts 2IH3-1 Red-Dot is a 2-gang conduit outlet box with three 1/2 inch hubs for threaded conduit runs.
4) How many devices does the Steel City 52171 3/4 box hold?
It's set up for one outlet, so a single device at the opening, finished with a 4-square single-gang mud ring or cover. If you need two devices side by side you want a 2-gang box instead.
5) Is there a nonmetallic alternative to the Steel City 52171 3/4 for residential rough-in?
Yes. The Steel City 52171 3/4 is a 4 inch by 4 inch by 2-1/8 inch deep steel square box with 13 knockouts and 30.3 cubic inches of capacity, sized for one outlet. Where a nonmetallic box is preferred for residential work, the Cantex EZ Box series is a PVC multi-gang residential outlet box, and the Pass & Seymour P242RRD is a thermoplastic range and dryer box for that specific appliance outlet.
6) What is the difference between the Steel City 52171 3/4 and a threaded-hub conduit outlet box?
The Steel City 52171 3/4 is a knockout-style steel square box with 13 knockouts, mounted to wall or ceiling framing and fed through those knockouts with connectors. A threaded-hub box such as the Thomas & Betts 2IH3-1 Red-Dot comes with three 1/2 inch hubs cast in for direct conduit threading and is a 2-gang configuration, and the Appleton GRT75 is a malleable iron round conduit outlet box. Choose by whether your feed is cable through a connector or threaded conduit.
7) How many 4-square boxes come in a case of Steel City 52171 3/4?
They ship 50 to the outer carton, which measures 20.6 x 8.1 x 12.2 inches. Box weight runs 87.5 lbs per 100 pieces, useful if you're staging material by floor on a large rough-in.
How fast can I get the Steel City 52171 3/4 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 52171 3/4 come with a warranty?
Absolutely. The Steel City 52171 3/4 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 52171 3/4?
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installation tips, and troubleshooting. Contact Us
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