Eaton Crouse-Hinds HGLL7 30 Grounding Bushing - NEC/CEC
Part Number: HGLL7 30
Quick Summary
HGLL7 30 grounding bushing from Eaton Crouse-Hinds provides a secure conduit grounding path for rigid and IMC installations. Engineers often struggle with ensuring reliable grounding in high-temperature or harsh environments where corrosion or loose connections can compromise safety and uptime. This part is rated to 150°C and features a malleable iron body with an aluminum lug, supporting threaded connections and a #3/0-6 AWG lug range, while aligning with NEC/CEC standards. Using HGLL7 30 simplifies procurement and installation, reduces maintenance cycles, and helps ensure compliant, durable grounding across ordinary/non-hazardous locations, delivering measurable improvements in reliability and service life for critical electrical infrastructure.
Product Information
Extended Description
HGLL7 30 Eaton Crouse-Hinds: Eaton Crouse-Hinds series HGLL grounding bushing, Rigid/IMC, Aluminum 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 30
UPC
784564113153
Product Length/Depth
3.31 in
Product Height
1 in
Product Width
3.31 in
Product Weight
0.67 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
Rigid/IMC
Temperature rating
150°C
Lug material
Aluminum
Thread
Threaded
Trade size
2-1/2"
Lug size
#3/0-6 AWG
Material
Malleable iron
Eaton Crouse-Hinds HGLL7 30 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 30
Feature: Rigid/IMC conduit compatibility with threaded connections. Benefit: Ensures strong mechanical and electrical continuity, reducing movement-related wear and vibration-induced faults in industrial wiring. Application: Ideal for installations where rigid or IMC conduit is prevalent, delivering dependable grounding paths in automation panels. Feature: High-temperature rating of 150°C. Benefit: Maintains insulating and conductive integrity in hot environments, lowering risk of insulation failure and downtime. Application: Suitable for machinery spaces and enclosures with elevated ambient temperatures. Feature: Aluminum lug paired with malleable iron body. Benefit: Combines lightweight handling with rigid housing, improving install speed and corrosion resistance where lug connections are exposed. Application: Durable grounding for #3/0-6 AWG conductors in service entrances and control panels. Feature: Threaded design with 2-1/2" trade size and 3/0-6 AWG lug range. Benefit: Simplifies alignment and torque control during termination, reducing rework and tightening outages. Application: Quick, repeatable installations in production lines and switchgear bays. Feature: NEC/CEC compliant with ordinary/non-hazardous location suitability. Benefit: Streamlines code compliance checks and QA reviews, reducing risk of nonconforming assemblies. Application: Industrial facilities following NEC/CEC mandates for grounding equipment. Feature: Comprehensive installation data and compatibility. Benefit: Improves design accuracy and procurement efficiency, with 3D drawings and catalog references available. Application: Design engineers and procurement teams can plan assemblies with confidence.
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FAQs
HGLL7 30 is designed specifically for rigid and IMC conduit systems. Its threaded connection and 2-1/2" trade size streamline terminations on a wide range of enclosures and panels, reducing misalignment and installation time. When wiring #3/0-6 AWG aluminum conductors, ensure torque values meet manufacturer guidelines and verify the lug seats are fully seated before tightening.
HGLL7 30 supports a lug size of #3/0-6 AWG with an aluminum lug and a threaded body. The temperature rating is 150°C, suitable for high-temperature environments. It is intended for rigid/IMC conduit and adheres to NEC/CEC standards for ordinary/non-hazardous locations, helping maintain compliant grounding connections in industrial facilities.
Yes. The HGLL7 30 is specified for ordinary/non-hazardous locations under NEC/CEC standards. This makes it appropriate for general purpose grounding in control panels, switchgear rooms, and equipment enclosures where environments do not present hazardous classifications, while still delivering robust performance at elevated temperatures.
Its combination of a malleable iron body with an aluminum lug yields a strong, corrosion-resistant grounding path that remains serviceable in hot environments. The threaded design simplifies seating and torque control, and the 2-1/2" trade size matches common rigid/IMC conduit runs, reducing the need for adapters and extra components.
Expect lower maintenance due to a durable, heat-tolerant connection that resists loosening under vibration. The NEC/CEC compliance reduces rework risk during audits, and the straightforward installation minimizes labor time during panel builds and field hookups, contributing to faster project schedules and lower total cost of ownership.