Eaton Crouse-Hinds HGLL7 30C Grounding Bushing - UL Listed
Part Number: HGLL7 30C
Quick Summary
HGLL7 30C grounding bushing is a reliable grounding connection for rigid/IMC conduit in industrial installations. This design helps prevent loose connections and arc risks in demanding environments. UL Listed, NEC/CEC compliant, and rated for ordinary/non-hazardous locations with a 150°C temperature rating. It supports copper lug terminations on #3/0-6 AWG conductors and a 2-1/2 inch trade size, delivering durable, maintenance-friendly grounding for electrical enclosures and conduits, reducing downtime and warranty costs. By combining robust malleable iron housing with a copper lug, it delivers consistent conductivity, vibration resistance, and long service life in challenging facilities.
Product Information
Extended Description
HGLL7 30C Eaton Crouse-Hinds: Eaton Crouse-Hinds series HGLL grounding bushing, Rigid/IMC, Copper lug, #3/0-6 AWG, Malleable iron, 150°C, Threaded, 2-1/2"
Product Name
Eaton Crouse-Hinds series HGLL grounding bushing
Catalog Number
HGLL7 30C
UPC
784564113450
Product Weight
0.905 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
2-1/2"
Lug size
#3/0-6 AWG
Material
Malleable iron
Eaton Crouse-Hinds HGLL7 30C 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 - HGLL7 30C
Rigid/IMC compatibility with a threaded connection provides a robust mechanical and electrical bond, reducing loosening under vibration. This improves reliability during equipment startups and frequent cycling, cutting commissioning time and service calls. Copper lug construction delivers low contact resistance and enhanced corrosion resistance, maintaining a stable grounding path even in dusty or humid plant environments. The malleable iron housing supports operation in high-temperature zones, preserving structural integrity up to 150°C and minimizing deformation that could compromise grounding. The 2-1/2 inch trade size and lug size #3/0-6 AWG match common conduit and power wiring schemes, simplifying installation and reducing the need for adapters or field modifications. NEC/CEC compliance and UL listings streamline approvals and documentation for code-driven projects, improving audit readiness and vendor confidence.
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FAQs
For proper installation, ensure the conduit threads match the bushing's threaded connection and that the lug is torqued to the appropriate value for #3/0-6 AWG conductors. Verify the 2-1/2 inch trade size aligns with your enclosure apertures and that the housing is seated fully to maintain a continuous grounding path. Use appropriate anti-corrosion compounds if operating in humid or dusty environments to preserve copper lug conductivity over time.
Yes. HGLL7 30C is designed with a copper lug that accommodates #3/0-6 AWG conductors and a 2-1/2 inch trade size for rigid/IMC conduit. This sizing provides a secure, low-resistance grounding connection suitable for most industrial power distribution and control panel applications. Ensure conductor insulation is compatible with the lug barrel and terminations are clean and undamaged before tightening.
The HGLL7 30C adheres to NEC/CEC standards and is suitable for Ordinary/Non-Hazardous Locations. It is UL listed, which supports compliance documentation and safe installation in many regional markets. These certifications help with regulatory approvals, sparing project teams from additional qualification steps and providing confidence in long-term reliability in standard industrial environments.
Yes, the HGLL7 30C is rated for Ordinary/Non-Hazardous Locations and carries a high-temperature capability of 150°C. This makes it suitable for installations near heat-generating equipment or in industrial environments where ambient temperatures rise. The copper lug and malleable iron housing maintain conductivity and structural integrity under these conditions, supporting safer, longer-lasting grounding paths.
The combination of a copper lug and malleable iron housing delivers superior conductivity and resistance to corrosion, reducing contact resistance over time. A threaded, rugged design simplifies installation and reduces field rework, accelerating commissioning. Its durability under 150°C conditions lowers replacement frequency in high-heat zones, improving uptime and total cost of ownership for motors, panels, and process equipment.