Eaton Crouse-Hinds PLG45 SA conduit plug - Class I/II/III
Part Number: PLG45 SA
Quick Summary
PLG45 SA conduit plug seals rigid/IMC conduits in hazardous locations. It provides a reliable seal to prevent dust and gas ingress, supporting safe, compliant installations in challenging environments. The assembly carries NEC/CEC recognition and hazardous area ratings, including Class I, Division 1 and 2, Class II, Division 1 and 2, and Class III. By combining copper-free aluminum construction with a compact 1-1/4 inch trade size, it delivers a lighter, corrosion-resistant solution that reduces maintenance cycles and total cost of ownership. Primary users are engineers and procurement managers seeking robust, code-compliant conduit plugs for industrial plants, chemical facilities, and energy projects.
Product Information
Extended Description
PLG45 SA Eaton Crouse-Hinds: Eaton Crouse-Hinds series PLG conduit plug, Rigid/IMC, Copper-free aluminum, 1-1/4", Square head
Product Name
Eaton Crouse-Hinds series PLG conduit plug
Catalog Number
PLG45 SA
UPC
782274101316
Product Length/Depth
1.66 in
Product Height
1.66 in
Product Width
1.6 in
Product Weight
0.12 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 1 Class I, Division 2 Class II, Division 1 Class II, Division 2 Class III
Conduit type
Rigid/IMC
Type
Square head
Trade size
1-1/4"
Material
Copper-free aluminum
Crouse-Hinds series Explosionproof Reducers, Adapters and Plugs catalog page
Explosionproof Reducers, Adapters and Plugs Canadian certification
Explosionproof Reducers, Adapters and Plugs Canadian certification
Eaton Specification Sheet - PLG45 SA
Copper-free aluminum body delivers strong corrosion resistance while reducing weight, easing handling and installation in dense electrical spaces or outdoor enclosures. This translates to lower labor fatigue and longer service life in chemical, petrochemical, and offshore environments, making hazardous-location conduit plugs perform reliably without bulky materials. Rigid/IMC compatibility ensures a robust seal and straightforward retrofit in existing installations, enabling faster changeouts and fewer field reworks, which reduces downtime during plant upgrades. The 1-1/4 inch trade size with a square head design allows quick, tool-friendly installation using standard wrenches, accelerating project timelines and reducing fastener wear in crowded electrical closets. Area classification and NEC/CEC compliance, including Class I, Division 1 and 2, Class II Division 1 and 2, Class III, provide regulatory confidence, easing permitting and inspections across oil & gas, chemical processing, and energy sectors. Compact dimensions (1.66 in length/depth and height, 1.6 in width) and a light 0.12 lb weight support space-constrained configurations and streamlined inventory management for industrial maintenance teams.
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FAQs
The PLG45 SA is designed for rigid/IMC conduit systems, offering a robust, compatible sealing solution for standard industrial installations. Its 1-1/4 inch trade size aligns with common rigid and IMC conduit inventories, enabling straightforward integration into existing layouts without adapters or rework. This compatibility minimizes installation complexity and supports reliable field performance in harsh environments.
The PLG45 SA carries NEC/CEC compliance with hazardous location ratings, including Class I Division 1 and 2, Class II Division 1 and 2, and Class III. These certifications ensure code-compliant protection in hazardous areas such as chemical plants, oil refineries, and mining operations. The device supports area classifications for hazardous/classified locations and is suitable for regulatory permitting and inspections.
Copper-free aluminum reduces weight and improves corrosion resistance, which lowers handling effort during installation and minimizes long-term maintenance. In hazardous locations, this translates to safer field work, less material fatigue, and fewer replacement cycles. The material choice also helps with heat dissipation and sustainability goals while maintaining mechanical strength for reliable sealing in harsh environments.
The PLG45 SA is specified against NEC/CEC standards for hazardous locations and is designed to work with rigid/IMC conduit systems. For cross-brand compatibility, always verify the conduit diameter, head design, and thread engagement with the target brand’s catalog. In most industrial settings, using Eaton Crouse-Hinds fittings ensures consistent performance and streamlined maintenance across an installed base of Crouse-Hinds certified components.
Key dimensions are 1-1/4 inch trade size with a compact footprint: length/depth 1.66 in, height 1.66 in, width 1.6 in, and weight 0.12 lb. These compact metrics fit tight electrical rooms and crowded junctions, aiding inventory management and enabling rapid replacements during maintenance windows. The square head design supports efficient tightening with standard hand tools, reducing installation time in field service scenarios.