3-1/2" Insulated Zinc Metallic Grounding Bushings

3-1/2" Insulated Zinc Metallic Grounding Bushings for Electrical Grounding The 3-1/2" Insulated Zinc Metallic Grounding Bushings by Southwire provide a reliable solution for grounding rigid or IMC conduit systems. Designed for use with accompanying aluminum lay-in grounding lugs, these bushings facilitate secure termination of conduit service and are suitable for applications involving copper or aluminum bare ground connectors. Ideal for electrical distributors and switchgear suppliers, this product ensures protection of wire insulation through a thermoplastic throat liner rated to 105°C, preventing damage during installation and use. Specifications Material: Die Cast Zinc Connection: Female Threaded Product Weight: 0.5780 lbs Manufacturer: Southwire Manufacturer Part #: 339A Size: 3-1/2" Features Tin plated aluminum alloy 6061-T6 rated for aluminum and copper conductors Thermoplastic liner rated flame retardant to 105°C prevents wire insulation damage UL listed for use with copper or aluminum grounding conductors Suitable for indoor or outdoor use with lay-in lug Round surface design prevents damage to wire insulation Constructed with zinc die cast body for durability Includes aluminum lug, steel clamping screw, and steel set screws Downloads & Links Spec Sheet