Eaton Crouse-Hinds STG 12 Ground Hub - Hazardous/Classified Locations
Part Number: STG 12
Quick Summary
Eaton Crouse-Hinds STG 12 Ground Hub is a rugged grounding hub for 6" conduit terminations used in hazardous locations. This solution addresses field-installation challenges such as corrosion resistance, space constraints, and code compliance in tough industrial environments. It meets NEC/CEC requirements and UL certifications for hazardous classifications, while offering reliable grounding in Class I Zone 1, Division 1 and related classifications. The combination of a durable zinc body and standardized Myers hub design delivers predictable performance, simplifies inventory, and supports fast, compliant installations for industrial electrical projects.
Product Information
Extended Description
STG 12 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Myers ground hub, Zinc, 6"
Product Name
Eaton Crouse-Hinds series Myers ground hub
Catalog Number
STG 12
UPC
784731101044
Product Length/Depth
8.2 in
Product Height
4.3 in
Product Width
8.3 in
Product Weight
7.5 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
6"
Material
Zinc
Eaton Crouse-Hinds STG 12 3D drawing
Crouse-Hinds series Myers Hubs catalog page
Myers Hubs UL certification (Conduit Fittings)
Myers Hubs UL certification (Conduit Fittings)
Myers Hubs UL certification (Conduit Fittings)
Myers Hubs UL certification (Conduit Fittings)
Myers Hubs UL certification (Conduit Fittings)
Myers Hubs UL certification (Conduit Fittings)
IF 1461 - Myers Hubs
Eaton Specification Sheet - STG 12
Feature → Business Impact → Application: The zinc housing provides superior corrosion resistance in outdoor and harsh indoor environments, extending service life and reducing maintenance costs for oil & gas, chemical processing, and mining facilities where grounding hubs face moisture and chemical exposure. This translates to lower total cost of ownership while maintaining dependable equipment grounding for critical feeders and MCCs. Feature → Business Impact → Application: NEC/CEC compliance and UL hazardous-location certifications enable project teams to avoid rework, penalties, and downtime by ensuring a compliant installation in Class I, Zone 1 and related hazardous locations across North America. This is essential for refinery and chemical plant modernization where safety approvals determine project timelines. Feature → Business Impact → Application: NEMA ratings 3, 3R, 4, 4X, 12 provide robust protection against dust, water ingress, and corrosion, improving reliability in outdoor switchgear, outdoor feeders, and process lighting in harsh environments. Feature → Business Impact → Application: 6" trade size with precise dimensions (8.2 in L, 4.3 in H, 8.3 in W) and a 7.5 lb weight balance ease on-site handling and reduces installation time, especially in cramped cable trays or limited access locations. Feature → Business Impact → Application: Compatibility with Eaton Crouse-Hinds Myers hubs and installation guidelines (IF 1461) streamlines procurement and cross-compatibility with conduit fittings, delivering faster commissioning for new builds and plant upgrades. Feature → Business Impact → Application: The hub’s standardized design supports scalable grounding networks, enabling easier inventory management, quicker spares replacement, and improved ROI for large facilities with multiple grounding points.
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FAQs
STG 12 supports a 6" trade size conduit, part of the Myers ground hub family, engineered for Eaton Crouse-Hinds installations. Its zinc body and Myers fittings ensure robust electrical contact, straightforward mounting, and seamless compatibility with standard conduit components used in hazardous locations, minimizing custom fabrication at the jobsite.
STG 12 is certified for Class I, Zone 1, and Division 1 hazardous locations, with NEC/CEC compliance and UL listings. The combination of zinc construction and endorsed grounding design provides reliable, spark-safe terminations in harsh environments, reducing the risk of dust, moisture ingress, and ignition sources in petrochemical and processing facilities.
Yes. STG 12 carries UL certification for hazardous locations and has listings relevant to Canada, supporting Conduit Fittings and grounding in Zone Classified environments. This ensures cross-border compliance for multinational projects and simplifies regulatory approvals for Canadian operations.
For efficient installation, reference IF 1461 Myers Hubs instructions and the Eaton Crouse-Hinds STG 12 datasheet. Use the 6" trade size hub with the correct conduit fittings, prepare grounding conductors, and verify NEMA/UL ratings during onboarding. The hub’s dimensions and weight are designed to optimize crew handling and reduce on-site rework.
The ROI stems from extended hub life due to corrosion resistance, reduced maintenance, and faster commissioning thanks to NEC/CEC compliance and UL hazardous-location certifications. By standardizing on STG 12 within hazardous-area grounding networks, firms minimize downtime, improve safety compliance, and lower total life-cycle costs across large facilities.