Eaton HGLS4 grounding bushing - 150°C Threadless
Part Number: HGLS4
Quick Summary
HGLS4 grounding bushing from Eaton Crouse-Hinds provides a rugged grounding path for rigid/IMC conduit in industrial enclosures. In busy assemblies, inconsistent grounding connections and cramped spaces slow projects and raise safety risk. This part aligns with NEC/CEC standards and is listed for ordinary/non-hazardous locations, with Canadian certification reports available for added assurance. For procurement and installation, the aluminum lug and set screw design deliver quick, secure wiring, while the 1-1/4" trade size supports common IMC configurations, reducing rework and field troubleshooting. Industrial teams gain reliable performance, simplified maintenance, and documented compliance through a single, engineered grounding solution.
Product Information
Extended Description
HGLS4 Eaton Crouse-Hinds: Eaton Crouse-Hinds series HGLS grounding bushing, Rigid/IMC, Aluminum lug, #4-14 AWG, Malleable iron, 150°C, Threadless, 1-1/4", Set screw
Product Name
Eaton Crouse-Hinds series HGLS grounding bushing
Catalog Number
HGLS4
UPC
784564113788
Product Length/Depth
3 in
Product Height
2.25 in
Product Width
0.75 in
Product Weight
0.16 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
Rigid/IMC
Temperature rating
150°C
Lug material
Aluminum
Thread
Threadless
Trade size
1-1/4"
Lug size
#4-14 AWG
Material
Malleable iron
Type
Set screw
Eaton Crouse-Hinds HGLS4 3D drawing
Crouse-Hinds series Grounding Bushings - Rigid-IMC catalog page
Grounding Bushings - Rigid-IMC Canadian certification
Grounding Bushings - Rigid-IMC Canadian certification
Eaton Specification Sheet - HGLS4
Feature: Rigid/IMC conduit compatibility with a malleable iron body and aluminum lug. Benefit: Delivers a strong, corrosion-resistant grounding path that remains lightweight and easy to install, reducing installation time in control panels and enclosures. Application: Use in rigid/IMC conduit installations in industrial automation cabinets. Feature: 150°C temperature rating. Benefit: Ensures dependable grounding performance in high-heat environments, minimizing risk of insulation damage and thermal-related grounding drift in motor control centers. Application: Motors, drives, and equipment near heat-generating processes. Feature: Threadless design. Benefit: Simplifies alignment and positioning in tight cabinets, speeding up field assembly and reducing thread damage in busy panels. Application: Compact enclosures with limited clearance. Feature: Lug size of #4-14 AWG and trade size 1-1/4". Benefit: Supports a wide range of control wiring without needing adapters, improving procurement efficiency and reducing stock diversity. Application: Typical control wiring and bus connections in industrial plants. Feature: Set screw connection and malleable iron body. Benefit: Provides a secure, vibration-resistant grounding path with robust mechanical strength, decreasing maintenance calls due to loose connections. Application: Enclosures subject to vibration and frequent rework. Feature: NEC/CEC compliance and ordinary/non-hazardous location rating. Benefit: Ensures regulatory alignment across North American projects, simplifying compliance documentation and installation approvals. Application: Safety-conscious installations in standard industrial environments. Feature: Availability of CAD drawings, catalogs, and certification documentation. Benefit: Accelerates design integration and procurement workflows, reducing design-to-build cycle time. Application: Pre-construction planning, BOM creation, and integration with fixtures and enclosures.
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FAQs
The HGLS4 is designed for rigid/IMC conduit in ordinary, non-hazardous locations. It uses a threadless design with an aluminum lug and set screw for quick, secure field installations in control panels, electrical enclosures, and other industrial applications.
Key specs include conduit type rigid/IMC, temperature rating 150°C, lug material aluminum, lug size #4-14 AWG, trade size 1-1/4", material malleable iron, and a threadless configuration with a set screw.
The aluminum lug reduces galvanic corrosion risk, the malleable iron body provides mechanical strength, and the set screw ensures a vibration-resistant, secure connection—together delivering a dependable grounding path for IMC installations.
Yes. The HGLS4 is specified to NEC/CEC standards and is suitable for ordinary/non-hazardous locations, with supporting Canadian certification references available to validate compliance.
Engineering teams can access 3D CAD drawings, catalog pages, and certification reports for HGLS4, plus the Eaton specification sheet to streamline BOMs and ensure accurate integration into enclosures.