Eaton Crouse-Hinds STG 5 Ground Hub - Hazardous Locations
Part Number: STG 5
Quick Summary
STG 5 ground hub provides rugged grounding in hazardous locations. Installers often struggle with reliable bonding, corrosion resistance, and compliant enclosures in harsh environments. It carries NEC/CEC compliance and hazardous-location ratings, with UL grounding certifications and NEMA approvals for 3, 3R, 4, 4X and 12. As a zinc Myers hub, it integrates easily with standard conduit systems, delivering faster field installations and long-term durability.
Product Information
Extended Description
STG 5 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Myers ground hub, Zinc, 1-1/2"
Product Name
Eaton Crouse-Hinds series Myers ground hub
Catalog Number
STG 5
UPC
784731100979
Product Length/Depth
2.74 in
Product Height
2.74 in
Product Width
2.19 in
Product Weight
0.7 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Zone 1 Class I, Division 2 Class II, Division 1 Class II, Division 2 Class III
NEMA Rating
3 3R 4 4X 12
Trade size
1-1/2"
Material
Zinc
Eaton Crouse-Hinds STG 5 3D drawing
Crouse-Hinds series Myers Hubs catalog page
Myers Hubs UL certification (Grounding and Bonding Equipment)
Myers Hubs UL certification (Grounding and Bonding Equipment)
Myers Hubs UL certification (Grounding and Bonding Equipment)
Myers Hubs UL certification (Grounding and Bonding Equipment)
Myers Hubs UL certification (Grounding and Bonding Equipment)
Myers Hubs UL certification (Grounding and Bonding Equipment)
IF 1461 - Myers Hubs
Eaton Specification Sheet - STG 5
Feature: Zinc housing provides inherent corrosion resistance and robust durability in damp, corrosive environments. Business Impact: This reduces maintenance cycles and extends service life, lowering total cost of ownership. Application: Ideal for outdoor or chemical processing facilities where grounding hubs are exposed to moisture and chemicals. Feature: Broad regulatory and hazardous-location certifications including NEC/CEC compliance and Class I Zone 1. Impact: Ensures code compliance and reduces risk of noncompliance penalties. Application: Suitable for refinery, power distribution, and chemical plant installations. Feature: NEMA ratings 3, 3R, 4, 4X, 12; Impact: Enclosure protection across dust, water, and chemical exposure; Application: use in equipment enclosures requiring versatile protection levels. Feature: 1-1/2 inch trade size and compact 2.74 x 2.19 x 2.74 in footprint; Impact: simplifies integration with existing conduit systems and minimizes space impact. Application: field installations with limited panel space. Feature: UL grounding certifications and catalog listings; Impact: third-party verification, streamlining procurement and compliance. Application: widespread use in regulated facilities and new builds. Feature: Manageable weight of 0.7 lb and a compact form factor; Impact: easier handling in rugged job sites and faster installation times. Application: field crews assembling Myers hubs in confined spaces.
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FAQs
Installation guidance for the STG 5 ground hub emphasizes proper bonding of grounding conductors within Class I/II and Class III zones. Refer to the IF 1461 Myers Hubs instruction sheet for step-by-step mounting, sealing, and torque recommendations, and ensure correct conduit alignment with 1-1/2" trade size fittings to maintain NEMA protection ratings.
STG 5 carries NEC/CEC compliance for hazardous locations, with NEC hazardous ratings including Class I Zone 1, Class I Division 2, Class II Division 1 and 2, and Class III. It also supports NEMA ratings 3, 3R, 4, 4X, and 12, along with UL grounding and bonding certifications, ensuring regulatory alignment and trusted performance.
Yes. STG 5 is designed for a 1-1/2 inch trade size, enabling seamless integration with standard Myers hubs and conduit caging. The compact footprint (2.74 in L and W, 2.74 in H) facilitates installation in constrained spaces while maintaining reliable grounding paths.
STG 5 supports NEMA ratings 3, 3R, 4, 4X, and 12, indicating suitability for outdoor, wet, corrosive, and diversified environments. This variety ensures protection against dust, water ingress, and chemical exposure, which translates to longer service life and lower maintenance in hazardous-area installations.
Choosing STG 5 delivers regulatory compliance, robust corrosion resistance, and reliable grounding in hazardous locations, reducing safety risk and downtime. Its compatibility with common conduit systems and UL/NEMA certifications streamline procurement, commissioning, and long-term maintenance, delivering a lower total cost of ownership in refineries, chemical plants, and industrial plants.