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Pre-Fab Components & Assemblies
Certifications
- UL
Features
- Pre-installed 10 1/2" insulated grounding pigtail
- Save time by eliminating multiple installation steps.
- Box support cover combines box-to-stud mounting bracket with device cover.
Manufacturer Resources
Product Specs
- Knockouts Bottom Conduit:
- (1) - 1/2"
- Knockouts Each End Cable:
- 2
- Knockouts Each Side Conduit:
- (2) - 1/2", (1) - 1/2" & 3/4" E
- Outer Package:
- 25
- Package Height:
- 7.5
- Package Length:
- 16.2
- Package Width:
- 13.1
- Rohs Compliance:
- No
- T B Sold In Uom:
- Each
- T B Weight Per Uom:
- 125 lbs. per 100
- Department:
- Electrical
- Product Group:
- Electrical Enclosures
- Product Subgroup:
- Pre-Fab Components
- Product Type:
- Pre-Fab Components
- Product Material:
- Steel
Steel City 52171X-CMD1858 – Frequently Asked Questions
1) Does the Steel City 52171X-CMD1858 electrical box come with a ground pigtail already installed?
Yes. A 10 1/2 inch insulated grounding pigtail is factory installed, so there's no cutting, stripping, and pigtailing at the box during rough-in. On a big multi-family or tenant-improvement rough, that's one step off every box.
2) How does the 52171X-CMD1858 box mount to the stud, and do I need a separate bracket?
No separate bracket. The box support cover on the 52171X-CMD1858 is a combined part: it serves as the box-to-stud mounting bracket and as the device cover, so mounting hardware and cover are one piece rather than two line items on the order.
3) What conduit and cable knockouts does the Steel City 52171X-CMD1858 pre-fab box have?
Each side carries (2) 1/2 inch knockouts plus a combination 1/2 inch and 3/4 inch eccentric, the bottom has a single 1/2 inch conduit knockout, and there are 2 cable knockouts on each end. That covers 1/2 inch EMT runs straight through, a 3/4 inch feed where you need it, and MC or NM cable entering from either end without an adapter.
4) Is the Steel City 52171X-CMD1858 box UL listed, and is it steel or plastic?
Steel, and UL. That matters on two counts for an inspected commercial job: the metal box is what you want where the assembly has to be bonded and where a nonmetallic box would not hold up to the abuse, and the UL certification is what the inspector looks for.
How fast can I get the Steel City 52171X-CMD1858 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 52171X-CMD1858 come with a warranty?
Absolutely. The Steel City 52171X-CMD1858 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 52171X-CMD1858?
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 52171X-CMD1858 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.