Garvin Industries 4″ Malleable Iron Grounding Bushing with Aluminum Lug, Plastic Insulator, Steel Screws, Model 330M

The Garvin Industries 330M is a robust 4-inch malleable iron grounding bushing designed for reliable conduit termination and superior wire protection. This model stands out for its flame-retardant liner, rated up to 105°C, and its versatile use in both indoor and outdoor environments. The included aluminum lug and plastic insulator ensure secure bonding and prevent wire insulation damage, making it a trusted choice for electrical professionals.

Key Features and Benefits

• Flame-retardant liner rated up to 105°C for enhanced safety
• UL listed for use with copper or aluminum grounding conductors
• Durable malleable iron body with corrosion-resistant aluminum lug
• Plastic liner and round bushing surface protect wire insulation
• Easy installation with included set screws and clamping screw
• Suitable for both indoor and outdoor applications

Specifications

• Size: 4″
• Body Material: Malleable iron
• Liner: Flame-retardant plastic, rated to 105°C
• Lug: Aluminum
• Clamping Screw: Steel
• Set Screws: Steel

Common Uses

Ideal for terminating service conduit to cabinets, bonding jumpers to neutral bus bars, and protecting wire insulation in commercial, industrial, and residential settings.