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Manufacturer Resources
Product Specs
- Number Of Batteries:
- 0
- Product Type:
- Insulated Bushing
- Department:
- Electrical
- Product Group:
- Conduit & Fittings
- Product Subgroup:
- Bushings
- Product Type2:
- Insulated Bushing
- Product Size:
- 3 Inch
- Product Material:
- Plastic
Steel City BU508-1 – Frequently Asked Questions
1) Will the Steel City BU508-1 bushing fit 3 inch rigid conduit and IMC?
Yes. The BU508-1 is a 3 inch insulated bushing threaded for rigid metal conduit and IMC, which share the same thread form and size designation. It threads onto the conduit end after the conduit is brought into the box or enclosure.
2) Is the Steel City BU508-1 bushing metal or plastic?
Plastic. The BU508-1 is a molded non-metallic insulated bushing, so the whole throat is insulating material rather than a metal body with an insulating liner. If your spec calls for a metallic insulated (insulated throat) bushing or requires the bushing to be part of the grounding path, this is not the part to use.
3) Why do I need an insulated bushing on a 3 inch conduit run?
The cut end of 3 inch rigid or IMC leaves a sharp thread edge that will cut conductor insulation as wire is pulled through. The BU508-1 threads onto that end and gives the conductors a smooth insulating throat to bear against, which matters most on large conduit where pull tension is high.
4) Does the BU508-1 come as a single piece or in a box of multiples?
It is sold each. One BU508-1 covers one 3 inch conduit termination, so count one per conduit end you are bushing.
How fast can I get the Steel City BU508-1 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 BU508-1 come with a warranty?
Absolutely. The Steel City BU508-1 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 BU508-1?
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 BU508-1 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.