SEPCO 821Z Threaded Conduit Ca...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1.38
SEPCO 821Z Threaded Conduit Capped Bushing, Die-Cast Zinc

SEPCO 821Z Threaded Conduit Capped Bushing, Die-Cast Zinc

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Model: 821Z

In Stock (leaves warehouse same day if ordered before 3pm ET)

$1.38
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SEPCO 821Z Threaded Conduit Capped Bushing, Die-Cast Zinc

The SEPCO 821Z Threaded Conduit Capped Bushing, Die-Cast Zinc is a metal conduit fitting designed to close off the open end of a threaded rigid or intermediate metal conduit run while protecting the conductors that pass through it. Manufactured from die-cast zinc, this capped bushing is available across a Trade Size range from 3/4-Inch through 4-Inch, letting electricians match the fitting to standard conduit runs on commercial, industrial, and residential jobs. The threaded body screws directly onto the conduit end for a secure mechanical termination, giving installers a solid metal alternative to lighter-duty plastic capped bushings, with a rounded interior edge that helps keep the raceway protected and ready for inspection.

Key Features

  • Trade Size Range: Available in 3/4-Inch, 1-Inch, 2-Inch, 3-Inch, and 4-Inch sizes to match standard rigid and intermediate metal conduit runs.
  • Durable Construction: Die-cast zinc body construction gives the fitting a rugged, corrosion-resistant structure suited to long-term conduit service.
  • Threaded Connection: Internal threads engage directly onto the conduit end for a secure, mechanically sound termination without the need for additional hardware.
  • Capped Design: A metal cap closes off the conduit opening, helping keep moisture, dust, and debris out of the raceway while the conduit run is in place.
  • Smooth Interior Bushing Edge: The bushing profile presents a rounded interior surface that helps protect conductor insulation from abrasion where wires pass through the termination.
  • Solid Metal Durability: Full metal construction offers a more rugged, impact-resistant alternative to plastic capped bushings for demanding installation environments.
  • Zinc Alloy Finish: The die-cast zinc surface resists the corrosion that can shorten the service life of lower-grade fittings in demanding job-site conditions.

Technical Specifications

  • Product Material: Zinc Die-Cast
  • Trade Size: 3/4-Inch - 4-Inch

Typical Applications

  • Conduit System Installations
  • Electrical Panel and Enclosure Entries
  • Commercial and Industrial Electrical Wiring
  • Renovation and New Construction Projects
  • Rigid and Intermediate Metal Conduit Terminations

Why SEPCO 821Z?

SEPCO builds this capped bushing from solid die-cast zinc to deliver a durable, dependable component for conduit installations across the full 3/4-Inch through 4-Inch Trade Size range. Choosing a metal capped bushing over a lighter-duty alternative gives installers a rugged fitting designed to hold up to the demands of professional electrical work, backed by SEPCO's focus on straightforward, code-conscious conduit hardware. For contractors standardizing on metal fittings throughout a job, the SEPCO 821Z offers a consistent, corrosion-resistant option for finishing threaded conduit terminations in any size needed.

Manufacturer Resources

SEPCO Product Catalog

Product Specs

list_batch:
SEP-20260911
Product Type:
Conduit Bushing
Connection Type:
Threaded
Department:
Electrical
Product Group:
Conduit & Raceway
Product Subgroup:
Conduit Fittings
Product Material:
Zinc Die-Cast

SEPCO 821Z – Frequently Asked Questions

1) Will the SEPCO 821Z capped bushing thread onto rigid metal conduit, or is it only for IMC?
Both. The 821Z is a threaded capped bushing whose internal threads screw directly onto the end of threaded rigid metal conduit or intermediate metal conduit. No locknut, adapter, or extra hardware is needed to make the termination, since the fitting engages the conduit thread itself.
2) Is a metal capped bushing worth it over a plastic one for an outdoor or industrial conduit run?
That is the main reason to pick the 821Z. It is die-cast zinc throughout, cap included, so it takes impact and handles corrosive job-site conditions better than a lighter-duty plastic capped bushing. For an exposed industrial run, a loading dock, or anywhere the fitting can get hit, the metal body is the safer choice; plastic is fine only where nothing is going to strike it.
3) Will a capped bushing protect the wire insulation where conductors leave the conduit?
Yes. The 821Z presents a rounded interior bushing edge at the conduit opening, so conductors passing through bear on a smooth surface instead of a cut conduit thread. That is the function that separates a capped bushing from a plain conduit cap, which simply seals a spare or future run.
4) Can I use the SEPCO 821Z to close off a spare conduit stub or an unused panel entry?
That is a normal use for it. The cap closes off the conduit opening and keeps moisture, dust, and debris out of the raceway, which is what you want on a stubbed-up spare or an unused threaded hub at a panel or enclosure until the run gets used.
5) If I am standardizing all metal fittings across a facility, can I get this capped bushing in matching material across every conduit size?
Yes, within the sizes offered. All five sizes, 3/4 inch through 4 inch, are the same die-cast zinc construction, so an MRO or facilities buyer gets one material and one finish across the whole range rather than mixing metal and plastic fittings on the same job.
6) Do I need a locknut or sealing ring with the SEPCO 821Z bushing?
No. The fitting threads onto the male conduit thread and is complete as supplied, cap and body together. Nothing else ships with it and nothing else is required to make the termination.
How fast can I get the SEPCO 821Z 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 SEPCO 821Z come with a warranty?
Absolutely. The SEPCO 821Z 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 SEPCO 821Z?
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 SEPCO 821Z 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.
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