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The Steel City BU-509 is a 3-1/2 inch non-metallic insulated bushing designed for use with rigid and IMC conduit. This product provides essential support and protection for wiring systems, ensuring a secure fit while preventing damage.
This bushing offers a practical solution for electricians and contractors seeking reliable conduit fittings. Its non-metallic construction makes it lightweight yet sturdy, suitable for various applications.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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