Thomas & Betts 379AL Bullet Aluminum Hub Connector

Description:

The Thomas & Betts 379AL Bullet Aluminum Hub Connector is used to connect 4-inch rigid metal conduit (RMC) or intermediate metal conduit (IMC) to threadless electrical boxes and enclosures while providing a secure, watertight conduit entry. Commonly installed in switchgear, panelboards, industrial facilities, substations, and outdoor electrical installations, this copper-free aluminum hub connector provides excellent corrosion resistance and dependable grounding continuity. Maintenance teams and system integrators use this fitting for repair, retrofit, expansion, and replacement of conduit hub connections.

Applications:

The Thomas & Betts 379AL is designed to terminate 4-inch threaded rigid metal conduit and IMC to electrical enclosures, junction boxes, control panels, and power distribution equipment. When used with the supplied neoprene O-ring, it provides a rain-tight, dust-tight, and watertight seal, making it suitable for commercial, industrial, utility, marine, and hazardous location applications.

Technical Specifications:

• Manufacturer Part Number (MPN): 379AL
• Brand: Thomas & Betts (ABB) – T&B Rigid Fittings
• Product Type: Bullet® Aluminum Hub Connector
• Trade Size: 4 in.
• Compatible Conduit: Rigid Metal Conduit (RMC), Intermediate Metal Conduit (IMC)
• Installation Type: Threaded Hub
• Material: Copper-Free Aluminum Body
• Locknut Material: Zinc Electroplated Hardened Steel
• Sealing Ring: Neoprene O-Ring
• Connection Type: Female NPT Thread
• Grounding Type: Locknut Grounding
• Environmental Protection: Rain-Tight, Dust-Tight, Watertight (with O-ring)
• Temperature Rating: UL Listed 105°C
• Features: Tapered internal threads, recessed captive sealing ring, corrosion-resistant construction, extended-reach locknut for improved grounding continuity, suitable for hazardous locations, prevents conduit bottoming during installation
• Standards: UL Listed (UL File E23018), CSA Certified, Federal Specification W-F-408, RoHS Compliant
• Typical Applications: Switchgear, Panelboards, Electrical Enclosures, Industrial Control Panels, Utility Power Distribution, Outdoor Installations, Hazardous Locations, Process Plants

Common Replacements:

• Thomas & Betts 378AL
• Thomas & Betts 377AL
• Thomas & Betts 381