Garvin Industries 3-1/2″ Insulated Metallic Grounding Bushing with Aluminum Lay-In Lug, 6 AWG to 250 MCM, Malleable Iron

The Garvin Industries 3-1/2″ Insulated Metallic Grounding Bushing with Aluminum Lay-In Lug (339AM) is a robust solution for terminating service conduit to cabinets while ensuring secure grounding. This bushing is a key part of Southwire’s reliable lineup, designed for both indoor and outdoor use, and is UL listed for use with copper or aluminum conductors. Its malleable iron body and flame-retardant liner provide durability and protection for wire insulation, making it a trusted choice for electrical contractors.

Key Features and Benefits

• Flame-retardant liner rated up to 105°C for enhanced safety
• Compatible with 6 AWG to 250 MCM grounding conductors
• Aluminum lay-in lug for easy bonding jumper connection
• Prevents damage to wire insulation with smooth, rounded bushing surface
• Suitable for both indoor and outdoor installations
• UL listed for copper or aluminum conductors
• Durable malleable iron construction with zinc-plated finish

Specifications

• Size: 3-1/2″
• Grounding Lug Wire Size: 6 AWG to 250 MCM
• Material: Malleable iron body, aluminum lug, plastic insulator
• Finish: Zinc plated
• Liner temperature rating: 105°C

Common Uses

Ideal for terminating service conduit to cabinets in commercial, industrial, and residential electrical installations, especially where secure grounding and wire protection are critical.