Eaton HGLL7 250 Grounding Bushing - NEC/CEC
Part Number: HGLL7 250
Quick Summary
HGLL7 250 grounding bushing provides a robust bonding point for rigid/IMC conduit in electrical panel and equipment installations. Too often, field terminations fail due to mismatched lug sizes, overheating, or moisture ingress under high-temperature conditions. This HGLL7 250 is NEC/CEC compliant, UL listed for rigid-IMC use, and rated to 150°C, supporting safe, durable installations. Designed for aluminum lugs and 250 kcmil-6 AWG conductors, it delivers a reliable, scalable grounding solution for commercial and industrial projects. Weighing 0.72 lb, it combines strength with ease of handling to reduce field effort and upgrade termination reliability across a range of enclosures.
Product Information
Extended Description
HGLL7 250 Eaton Crouse-Hinds: Eaton Crouse-Hinds series HGLL grounding bushing, Rigid/IMC, Aluminum lug, #250 kcmil-6 AWG, Malleable iron, 150°C, Threaded, 2-1/2"
Product Name
Eaton Crouse-Hinds series HGLL grounding bushing
Catalog Number
HGLL7 250
UPC
784564113160
Product Weight
0.72 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
250 kcmil-#6 AWG
Material
Malleable iron
Eaton Crouse-Hinds HGLL7 250 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 250
Feature → Business Impact → Application: Threaded connection provides a repeatable, corrosion‑resistant termination, delivering a reliable ground path and reducing rework during commissioning for rigid/IMC conduit terminations in control panels. Feature → Business Impact → Application: Aluminum lug material offers excellent conductivity with lighter weight, enabling simpler installation and cost-effective field terminations in outdoor or indoor environments. Feature → Business Impact → Application: 2-1/2" trade size and lug size of 250 kcmil-#6 AWG accommodate large conductor runs, enabling scalable grounding for high‑current panel services and motor control centers. Feature → Business Impact → Application: 150°C temperature rating ensures performance in elevated ambient conditions, minimizing thermal issues and extending service life in demanding applications. Feature → Business Impact → Application: NEC/CEC compliance and UL listing provide regulatory assurance and faster approvals for non-hazardous locations, reducing project risk while enabling broader deployment across facilities. Feature → Business Impact → Application: Malleable iron body paired with an aluminum lug delivers robust mechanical strength and reliable grounding even in vibration-heavy installations, supporting long-term reliability in industrial settings.
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FAQs
Begin by aligning the threaded HGLL7 250 with the rigid/IMC conduit and the panel or enclosure knockout. Thread the bushing into place, secure the aluminum lug to the conductor using standard crimp or clamp methods, and tighten to manufacturer torque guidelines. Confirm the lug is rated for 250 kcmil-#6 AWG and that the assembly is compatible with ordinary/Non-Hazardous locations per NEC/CEC. Verify the temperature rating meets the site conditions and ensure UL-listed components are used in the assembly.
Key specs include a 2-1/2" trade size, aluminum lug suitable for 250 kcmil-#6 AWG, threaded connections, Rigid/IMC conduit compatibility, and a 150°C rating. These specs matter because they ensure a high-current grounding path, robust mechanical strength, compatibility with common industrial conductors, and stable performance in elevated temperatures, reducing failure risks during operation and maintenance.
Yes. The HGLL7 250 is designed for Ordinary/Non-Hazardous Locations under NEC/CEC standards. It supports safe grounding terminations in typical industrial panels and enclosures, with UL listings validating safety across US and Canada deployments, making it suitable for a broad range of non-hazardous industrial applications.
The HGLL7 250 complies with NEC/CEC standards and is UL-listed for rigid-IMC grounding bushings. It is specified for Ordinary/Non-Hazardous locations, and UL certification reports are available for US and Canada, helping reduce compliance review time during project approvals.
The combination of a threaded aluminum lug, 150°C rating, and a malleable iron body delivers durable, low-maintenance grounding that resists corrosion and reduces rework after field inspections. UL/NEC/CEC compliance supports faster approvals, lowering total cost of ownership by avoiding rework and enabling quicker project turnover in industrial electrical installations.