Eaton HGLL3C Grounding Bushing - Rigid/IMC, 150°C (NEC/CEC)
Part Number: HGLL3C
Quick Summary
HGLL3C grounding bushing provides a rugged grounding connection for rigid/IMC conduit in industrial panels. Many installations suffer from loose grounds and corrosion at terminations, risking equipment downtime and noncompliance. It meets NEC/CEC standards and is UL-listed for rigid-IMC fittings, with ordinary/non-hazardous location suitability supporting compliant installations. This combination delivers reliable grounding performance with fast installation in control cabinets, panels and equipment housings, while maintaining high fault-current integrity and ease of maintenance. For engineers and procurement professionals, the HGLL3C offers a well-supported, durable solution that reduces field service time and enhances system reliability.
Product Information
Extended Description
HGLL3C Eaton Crouse-Hinds: Eaton Crouse-Hinds series HGLL grounding bushing, Rigid/IMC, Copper lug, #4-14 AWG, Malleable iron, 150°C, Threaded, 1"
Product Name
Eaton Crouse-Hinds series HGLL grounding bushing
Catalog Number
HGLL3C
UPC
784564113375
Product Length/Depth
1.63 in
Product Height
0.75 in
Product Width
1.63 in
Product Weight
0.17 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
1"
Lug size
#4-14 AWG
Material
Malleable iron
Eaton Crouse-Hinds HGLL3C 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 - HGLL3C
Feature: Threaded, malleable iron body provides robust mechanical strength. Business Impact: Improves installation durability in harsh environments and reduces the risk of conduit pull-out or ground disconnects. Application: Ideal for control panels and outdoor enclosures where vibration or impact is a concern. Long-tail keywords: grounding bushing for rigid conduit, IMC grounding fittings, threaded grounding hub. Feature: Copper lug supports #4-14 AWG conductors. Business Impact: Ensures low-resistance, high-integrity grounding with reliable termination of conductors. Application: Service panels, motor control boxes, and equipment housings requiring solid copper grounding paths. Long-tail keywords: copper lug grounding, #4-14 AWG lug, high-conductivity grounding. Feature: 1 inch trade size with threaded connection. Business Impact: Simple, compatible installation with standard IMC/Rigid conduit systems, reducing install time and need for adapters. Application: New builds and retrofit projects in industrial facilities. Long-tail keywords: 1" grounding bushing, threaded rigid IMC fitting, conduit grounding. Feature: Temperature rating 150°C. Business Impact: Withstands elevated ambient temperatures common in electrical rooms and near heat sources, reducing thermal degradation risk. Application: Panel boards, switchgear areas, and near industrial heat zones. Long-tail keywords: 150°C rated grounding bushing, high-temperature conduit fittings. Feature: Material: Malleable iron; Certification-ready with NEC/CEC compliance. Business Impact: Delivers rugged service life and regulatory alignment, lowering lifecycle cost and maintenance cycles. Application: Harsh industrial environments, non-hazardous locations. Long-tail keywords: NEC/CEC grounded fittings, UL-listed grounding bushing, rugged grounding hardware.
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FAQs
HGLL3C is designed for 1 inch trade size rigid/IMC conduit with a threaded, malleable iron body and a copper lug that accepts #4-14 AWG conductors. This combination ensures a secure mechanical and electrical connection, simplifies alignment during installation, and supports standard conduit systems used in control panels and enclosures.
HGLL3C complies with NEC/CEC standards and is UL-listed for rigid-IMC applications in ordinary/non-hazardous locations. The copper lug and malleable iron body are specified to meet regulatory expectations, supporting compliant and safe grounding in typical industrial environments.
Yes. The copper lug provides a low-resistance path for grounding, while the malleable iron body offers rugged mechanical support. Together, they reduce the risk of loose grounds or corrosion at terminations, enhancing fault clearance and system reliability in panel assemblies and motor control centers.
Absolutely. HGLL3C is rated for up to 150°C, making it suitable for electrical cabinets or areas near heat sources where elevated ambient temperatures occur. This rating helps maintain grounding integrity and prevents thermal degradation over the equipment’s service life.
Install HGLL3C by threading it onto compatible rigid/IMC conduit, then terminate the copper lug with a #4-14 AWG conductor. Ensure clean contact surfaces, proper torque on the threaded connection, and secure alignment with adjacent fittings. This approach minimizes installation time and supports a durable, compliant grounding path.