Garvin Industries 340MHDG, 4″ Rigid/IMC Conduit Bushing, Hot Dip Galvanized, Aluminum Lug, Flame Retardant Liner

The Garvin Industries 340MHDG is a 4-inch rigid/IMC conduit bushing designed for superior protection and reliable grounding in electrical installations. Featuring a hot dip galvanized finish for enhanced corrosion resistance, this bushing includes a flame retardant liner rated up to 105°C and a tin-plated aluminum lug suitable for both copper and aluminum conductors. Its robust construction and thoughtful design help prevent wire insulation damage and ensure safe terminations in both indoor and outdoor environments.

Key Features and Benefits

• Hot dip galvanized for long-lasting corrosion protection
• Flame retardant liner rated to 105°C for added safety
• Compatible with copper or aluminum grounding conductors
• Aluminum lug included for easy bonding to neutral bus bars
• Prevents damage to wire insulation with smooth, rounded bushing surface
• Suitable for both indoor and outdoor applications
• UL listed and RoHS compliant for peace of mind

Specifications

• Size: 4″
• Material: Malleable iron body, plastic insulator, aluminum lug, steel screws
• Finish: Hot dip galvanized
• Liner: Flame retardant to 105°C
• Certifications: UL 514B, UL 467, RoHS, Fed. Spec: A-A-50553, NEMA FB 1

Common Uses

Ideal for grounding rigid or IMC conduit in commercial, industrial, and residential electrical installations, especially where corrosion resistance and wire protection are critical.