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The Topaz 328M metallic grounding bushing is constructed from malleable iron with a 3" female thread. These insulated metallic grounding bushings are for terminating conduit service with an aluminum lug and are recommended for use with copper or aluminum bare ground connectors. Protective thermoplastic throat liners are rated to 105° C and help prevent wire insulation damage.
The Topaz 328M grounding bushings are built with high-grade malleable iron and UL listed.
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