Eaton ALC21 Flexible Fixture Hanger - Class I, Division 2
Part Number: ALC21
Quick Summary
Eaton ALC21 Flexible Fixture Hanger is designed to suspend luminaires in hazardous locations with ease and reliability. This solution addresses mounting challenges in confined or harsh environments where safety and code compliance matter most. The ALC21 carries NEC/CEC standards and is rated for Hazardous/Classified Locations, including Class I, Division 2 installations, thanks to its robust Feraloy iron alloy construction. The pendant mount with a 1/2" luminaire stem and 3/4" trade size enables quick, code-compliant installations while supporting up to 125 lb luminaires. For engineers and procurement teams, this hanger delivers predictable performance, faster commissioning, and reduced maintenance through a durable, fault-tolerant design validated by UL certifications.
Product Information
Extended Description
ALC21 Eaton: Eaton Crouse-Hinds series ALC 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 ALC flexible fixture hanger
Catalog Number
ALC21
UPC
782274032658
Product Length/Depth
4 in
Product Height
4.63 in
Product Width
0.88 in
Product Weight
2.48 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 UL certification
AL Hazardous Area Flexible Fixture Hanger and Outlet Box UL certification
Eaton Specification Sheet - ALC21
Feature: Pendant mounting and ball-type fixture design → Business Impact: Simplifies fixture suspension in restricted spaces and reduces field handling risk → Application: Installations in tabletops and ceilings where pendant access is limited in hazardous areas. Feature: 1/2" luminaire stem size and 3/4" trade size → Business Impact: Ensures compatibility with common luminaires and mounting hardware, speeding up wiring and alignment → Application: Standard hazardous-location luminaires requiring reliable stem/trade fit. Feature: Feraloy iron alloy construction → Business Impact: Increased durability and corrosion resistance, lowering maintenance and replacement costs → Application: Harsh industrial environments with exposure to dust, moisture, and chemicals. Feature: 125 lb luminaire rating → Business Impact: Confidence to support heavier luminaires without overdesigning brackets → Application: Medium to large luminaires used in hazardous locations. Feature: NEC/CEC compliance and Class I, Division 2 rating → Business Impact: Regulatory alignment reduces commissioning delays and risk of non-compliance → Application: Projects governed by NEC/CEC and UL certification requirements in hazardous zones. Feature: Compact dimensions 4 in length, 4.63 in height, 0.88 in width → Business Impact: Minimal ceiling/plenum intrusion and easier retrofits → Application: Tight installations in hazardous plant ceilings and conduit runs.
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FAQs
The ALC21 is designed for pendant mounting in hazardous locations, supporting Class I Division 2. Plan for standard mounting clearances, ensure compatible luminaire stems (1/2 inch) and trade size (3/4 inch), and verify enclosure integrity. Use appropriate fasteners rated for hazardous areas, and follow NEC/CEC guidelines during initial energization and commissioning to minimize ignition risk.
Key specs include a ball-type fixture hanger with pendant mounting, 1/2 inch luminaire stem size, 3/4 inch trade size, 4 inch length, 4.63 inch height, 0.88 inch width, and a 125 lb luminaire rating. It uses Feraloy iron alloy and is intended for hazardous/classified locations, aligning with NEC/CEC requirements for Class I, Division 2 installations.
Yes. The ALC21 carries NEC/CEC standards with a Class I, Division 2 hazardous rating and UL certifications. This combination supports compliance in hazardous-area projects, with UL listings referenced in the official product documentation and catalog pages, helping ensure safe operation and code-conforming installations.
The ALC21 is designed to accommodate common luminaires using a 1/2 inch luminaire stem and a 3/4 inch trade size, delivering a 125 lb load rating. Its pendant mounting and ball-type design suit typical hazardous-location luminaires, but always verify weight, mounting compatibility, and enclosure protection to maintain compliance and prevent interference with hazardous area controls.
The ALC21’s durable Feraloy iron alloy construction, UL/NEC/CEC compliance, and defined weight rating reduce field maintenance and risk of premature failure. Its modular pendant design simplifies installations, speeds commissioning, and provides long-term reliability in harsh environments, resulting in lower lifecycle costs and improved uptime for hazardous-location lighting systems.