3-1/2" Insulated Malleable Iron Metallic Grounding Bushings Threadless – Electrical Grounding Solutions

This 3-1/2" insulated metallic grounding bushing is designed for use with aluminum lay-in grounding lugs to terminate conduit service, suitable for electrical distributors and switchgear suppliers. It is recommended for applications involving copper or aluminum bare ground connectors. The product features a protective thermoplastic throat liner rated to 105 °C, which prevents damage to wire insulation. Available in a threadless set screw model, it is compatible with threaded or threadless rigid conduit or IMC, making it a reliable component in lighting solutions and wire and cable installations.

Specifications

• Material: Malleable Iron
• Connection: Female Threaded
• Product Weight: 0.6750 lbs
• Size: 3-1/2"
• Manufacturer: Southwire
• Manufacturer Part #: 339MSS
• UL Listed

Features

• Thermoplastic throat liner rated flame retardant to 105 °C
• Set screws allow locking the bushing in any desired position
• Suitable for use on threaded or threadless rigid conduit or IMC
• Protective plastic liner prevents damage to wire insulation
• Round surface design minimizes wire insulation damage
• High-grade malleable iron construction with zinc-plated finish

Downloads & Links

• Spec Sheet