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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:
- 3/4 Inch
- Product Material:
- Plastic
Steel City BU502-2 – Frequently Asked Questions
1) What conduit does the Steel City BU502-2 bushing thread onto?
The BU502-2 is made for 3/4 inch rigid metal conduit and IMC, which share the same thread, so it screws onto the threaded end of either one. It will not work on EMT, since EMT ends are unthreaded and take a connector or an insulated throat fitting instead.
2) Do I still need a locknut if I use an insulated bushing on rigid conduit?
Yes. The BU502-2 is an insulating bushing only, it is not a connector and no locknut is supplied with it. On a threaded rigid or IMC entry you still need the locknuts to secure the conduit to the enclosure; the plastic bushing threads on to finish the throat so the wire is not pulled across a raw metal thread edge.
3) Can I use a plastic insulating bushing instead of a metal one for grounding continuity?
No, and that is the main limitation to understand. The BU502-2 is plastic, so it carries no ground path. It protects the conductors at the conduit end and nothing more. Where the raceway needs to be bonded at that entry, use a metal grounding bushing with a lay-in lug rather than this non-metallic one.
4) Is this bushing plastic or metal?
Plastic. The BU502-2 is a non-metallic insulating bushing, which is what gives it the smooth insulated throat that protects conductor insulation where wire leaves the conduit end.
5) How many bushings come in a package of the Steel City BU502-2?
Two per bag. The BU502-2 ships as a 2-pack of 3/4 inch insulated bushings, so a single order covers both ends of one conduit run or two separate box entries.
How fast can I get the Steel City BU502-2 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 BU502-2 come with a warranty?
Absolutely. The Steel City BU502-2 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 BU502-2?
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 BU502-2 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.