Eaton ALT21 Flexible Fixture Hanger - Hazardous/Classified Locations
Part Number: ALT21
Quick Summary
The Eaton ALT21 flexible fixture hanger suspends hazardous-location luminaires with reliable, adjustable support. In dense industrial spaces, installers often wrestle with heavy, fixed mounts and vibration; ALT21 delivers a 125 lb rating and a robust Feraloy iron alloy body to minimize sag and rework. It aligns with NEC/CEC standards and carries a Class I, Division 2 hazardous rating, while compatible with pendant mounting and a 1/2 in luminaire stem. Designed for quick field installation, it helps engineers meet project timelines and procurement budgets, enabling scalable, safe lighting in chemical plants and refineries. This durable, compliant solution translates into lower lifecycle costs for facilities.
Product Information
Extended Description
ALT21 Eaton: Eaton Crouse-Hinds series ALT flexible fixture hanger, 125 lb, 1/2" luminaire stem size, Feraloy iron alloy, Pendant mount, 3/4", Ball type
Product Name
Eaton Crouse-Hinds series ALT flexible fixture hanger
Catalog Number
ALT21
UPC
782274037806
Product Weight
2.69 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 2
Type
Ball
Mounting Type
Pendant
Luminaire stem size
1/2"
Trade size
3/4"
Luminaire rated weight
125 lb
Material
Feraloy iron alloy
Crouse-Hinds series AL Hazardous Area Flexible Fixture Hanger and Outlet Box catalog page
AL Hazardous Area Flexible Fixture Hanger and Outlet Box Canadian certification
AL Hazardous Area Flexible Fixture Hanger and Outlet Box Canadian certification
Eaton Specification Sheet - ALT21
Feature: Feraloy iron alloy construction. Business Impact: exceptional durability and corrosion resistance in hazardous environments, reducing maintenance and replacement costs. Application: chemical plants, refineries, and other facilities where exposure to corrosive vapors and dust is routine. The alloy’s toughness also helps withstand vibration common in heavy industry installations. Feature: 125 lb weight rating. Business Impact: supports heavier luminaires with minimal sag, decreasing retrofit needs and downtime. Application: industrial facilities with large or weighty fixtures, including areas with constant vibration. Feature: Pendant mounting with 1/2 inch luminaire stem and 3/4 inch trade size. Business Impact: flexible, rapid installation and broad compatibility with standard luminaires. Application: retrofit projects and new builds where ceiling conditions vary. Feature: Ball-type configuration. Business Impact: easy adjustment and secure hold, improving alignment and reducing loosening risk. Application: high-vibration environments such as mills and processing plants. Feature: Documentation and compatibility resources. Business Impact: accelerates procurement and ensures NEC/CEC compliance; Application: engineering design, procurement, and field service workflows.
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FAQs
ALT21 uses a pendant mounting approach with a 3/4" trade size and a 1/2" luminaire stem. It is rated for up to 125 lb and constructed from Feraloy iron alloy for durability in hazardous environments. Installers should anchor to suitable ceilings, follow NEC/CEC guidelines, and verify Class I, Division 2 compliance. The ball-type hanger allows quick positioning and adjustments in space-constrained areas.
Yes. ALT21 is designed for Hazardous/Classified Locations and carries NEC/CEC compliance with a NEC hazardous rating of Class I, Division 2. The unit uses corrosion-resistant Feraloy iron alloy and supports standard pendant mounting. Always confirm local code requirements and consult the official Eaton and UL Canada documentation for the latest certifications before installation.
ALT21 supports a 1/2" luminaire stem and a 3/4" trade size in a pendant-mount configuration, with a ball-type hanger for easy adjustment. It is rated for up to 125 lb, allowing a broad range of luminaires to be suspended in hazardous locations. This flexibility aids retrofit and new-build projects where fixture shapes and mounting heights vary.
ALT21 qualifies under NEC/CEC standards and Hazardous Location ratings (Class I, Division 2). Documentation includes Eaton’s Crouse-Hinds AL catalog page, Canadian UL certification references, and the Eaton specification sheet. Access these resources to verify compliance, sourcing, and installation guidance for your facility and local regulatory requirements.
ALT21 combines a 125 lb capacity with durable Feraloy alloy, reducing maintenance intervals and replacement costs in harsh environments. Its pendant mounting and compact stem simplify installation, speeding project timelines and lowering field labor hours. The availability of detailed datasheets and certs also streamlines procurement and design reviews, delivering measurable lifecycle savings for industrial facilities.