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Manufacturer Resources
Product Specs
- Country Of Origin:
- China (CN)
- Product Type:
- Steel Outlet Boxes
- Selling Unit Of Measure:
- each
- Volume:
- 42 in³
- Department:
- Electrical
- Product Group:
- Electrical Enclosures
- Product Subgroup:
- Boxes
- Product Type2:
- Square Boxes
- Product Color:
- Silver
- Product Material:
- Steel
Steel City 72171 SVT – Frequently Asked Questions
1) How many conductors can I put in a Steel City 72171 SVT 4-11/16 square box?
The 72171 SVT is a 42 cubic inch box, so box fill is worked from that number under your local code: divide 42 by the per-conductor volume for the wire gauge you are running, then subtract allowances for devices, clamps, and grounds. That is a large capacity for a single square box, which is why 4-11/16 boxes get used where a 4-inch square runs out of room on multi-gang or multi-circuit pulls.
2) What size opening and cover does the Steel City 72171 SVT square box take?
It is a 4-11/16 inch square steel box, 4-11/16 by 4-11/16 across the face, so it takes standard 4-11/16 square covers and plaster rings rather than the smaller 4-inch square ones. If your mud ring, blank cover, or device ring on the job is 4-inch square it will not land on this box.
3) Is the Steel City 72171 SVT a vapor tight box, and what is it used for?
Yes, it is a vapor tight 4-11/16 square outlet box. Contractors reach for a vapor tight square box where the wall or ceiling assembly has to keep moisture or conditioned air from migrating through the outlet penetration, common in cold rooms, exterior walls, and envelope-sealed construction. Sealing at the box still has to be finished per the assembly detail on your drawing.
4) Is this Steel City box steel or PVC, and does it need to be bonded?
It is a steel box, silver in finish. Metal boxes are part of the equipment grounding path, so it has to be bonded to the circuit equipment ground the same as any other steel enclosure. If your spec calls for a nonmetallic box to avoid a conductive enclosure, this is not the part.
5) Will a 4-11/16 square box fit where I had a 4-inch square box?
Not without rework. The 72171 SVT measures 4-11/16 by 4-11/16 on the face, so it needs a larger opening in the finished surface and a matching 4-11/16 ring or cover. Where the wall opening is already cut for a 4-inch square, you are patching or resizing. Going up to 4-11/16 is normally a deliberate move for the extra 42 cubic inches of fill.
6) Do I get one box or a case when I order the Steel City 72171 SVT?
It sells each, so one box per unit ordered. Multiply by your device count when you are laying out a floor rather than assuming case quantities.
How fast can I get the Steel City 72171 SVT 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 72171 SVT come with a warranty?
Absolutely. The Steel City 72171 SVT 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 72171 SVT?
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 72171 SVT 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.