Eaton HGLL10 250C Grounding Bushing - 150°C Rated
Part Number: HGLL10 250C
Quick Summary
The Eaton HGLL10 250C grounding bushing provides reliable grounding for rigid/IMC conduit in industrial electrical installations, delivering a robust termination at the enclosure interface. When lug connections overheat or loosen, downtime, risk of arcing, and equipment damage rise; this bushing delivers secure, heat-tolerant termination with long service life. It meets NEC/CEC standards and UL certification for grounding fittings, suitable for ordinary/non-hazardous locations, with a verified 150°C temperature rating and copper lug. By combining malleable iron housing with a threaded design and 4 inch trade size, installers achieve faster, safer terminations that comply with code and industry practices. This product supports seamless compatibility with rigid/IMC conduits, copper lugs, and heavy-gauge cables up to 250 kcmil, helping reduce inventory variety.
Product Information
Extended Description
HGLL10 250C Eaton Crouse-Hinds: Eaton Crouse-Hinds series HGLL grounding bushing, Rigid/IMC, Copper lug, #250 kcmil-6 AWG, Malleable iron, 150°C, Threaded, 4"
Product Name
Eaton Crouse-Hinds series HGLL grounding bushing
Catalog Number
HGLL10 250C
UPC
784564113535
Product Weight
1.6 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
Rigid/IMC
Temperature rating
150°C
Lug material
Copper
Thread
Threaded
Trade size
4"
Lug size
250 kcmil-#6 AWG
Material
Malleable iron
Eaton Crouse-Hinds HGLL10 250C 3D drawing
Crouse-Hinds series Grounding Bushings - Rigid-IMC catalog page
Grounding Bushings - Rigid-IMC UL certification
Grounding Bushings - Rigid-IMC UL certification
Eaton Specification Sheet - HGLL10 250C
Feature: Copper lug termination on a malleable iron housing provides a strong, corrosion-resistant connection. Business Impact: this combination delivers low impedance and high mechanical strength, reducing contact resistance and loosening under vibration. Application: ideal for rigid/IMC conduit systems wiring large feeders up to 250 kcmil or #6 AWG, enabling reliable panels and enclosures in industrial facilities. Feature: 150°C temperature rating supports performance in hot environments. Business Impact: maintains electrical integrity and reduces thermal degradation of terminations, lowering maintenance costs. Application: outdoor substations, high-heat equipment areas, and control rooms where ambient temps rise. Feature: Threaded connection with 4 inch trade size simplifies field installation. Business Impact: ensures secure fastening, predictable torque, and faster assembly, reducing labor and rework. Application: typical installations using rigid/IMC conduit and standard fittings in industrial plants. Feature: Malleable iron housing provides rugged durability. Business Impact: stands up to vibration, impacts, and harsh environments, extending service life and reducing replacement cycles. Application: mining, chemical processing, and outdoor industrial facilities where equipment endures rough handling. Feature: NEC/CEC compliance with UL certification ensures code conformance. Business Impact: eases procurement, speeds approvals, and lowers risk of inspection delays. Application: project specs, assembly lines, and electrical installations that require certified grounding bushings. Feature: Broad conductor compatibility with lug size 250 kcmil to #6 AWG reduces stocking and simplifies procurement. Application: large-diameter grounding terminations across various industrial installations.
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FAQs
HGLL10 250C is designed for rigid/IMC conduit with copper lug terminations. It supports large feeders up to 250 kcmil or #6 AWG copper conductors and uses a threaded connection. The 4 inch trade size simplifies mating with standard fittings, enabling straightforward, code-compliant field assemblies in industrial environments.
The HGLL10 250C complies with NEC/CEC standards and carries UL certification for grounding equipment. It is intended for ordinary/non-hazardous locations and is rated for temperatures up to 150°C, ensuring safe operation in typical industrial installations while meeting regulatory requirements and inspection expectations.
This bushing uses a copper lug and a malleable iron body, delivering low impedance grounding and robust mechanical strength under heavy vibration. The 150°C rating supports high-temperature environments, enabling reliable terminations for large feeders up to 250 kcmil, which reduces resistance-related losses and maintenance needs in demanding plants.
Its threaded connection and 4 inch trade size allow fast, repeatable terminations with predictable torque, reducing rework and commissioning time. The copper lug and durable housing meet NEC/CEC requirements, while UL certification simplifies procurement and inspection processes, helping projects stay on schedule and within budget.
Technical resources include a 3D CAD drawing package, a Crouse-Hinds grounding bushings catalog page, UL certification reports, and the Eaton specification sheet for HGLL10 250C. These assets support design validation, CAD modeling, and compliance reviews, ensuring accurate integration into electrical assemblies.