Eaton Crouse-Hinds PLG35 SA conduit plug - Class I
Part Number: PLG35 SA
Quick Summary
The Eaton Crouse-Hinds PLG35 SA conduit plug provides a robust termination for rigid/IMC conduits in hazardous locations. Engineers often struggle to meet hazardous-location compliance and ensure a tight seal with generic fittings. This plug aligns with NEC/CEC standards and Hazardous/Classified Locations requirements, delivering Class I, Division 1 ratings and solid protection across demanding environments. Designed for 1" trade size rigid/IMC conduit, the copper-free aluminum body and square-head design streamline installation, inspection, and long service life. In field installs, it reduces downtime by delivering a secure, tamper-resistant connection and simplifying inventory with a single copper-free aluminum plug for multiple hazardous-location applications. Manufactured to withstand extreme temperatures and vibration, it supports compliant assemblies that meet industry best practices and help maintain safe, reliable operations.
Product Information
Extended Description
PLG35 SA Eaton Crouse-Hinds: Eaton Crouse-Hinds series PLG conduit plug, Rigid/IMC, Copper-free aluminum, 1", Square head
Product Name
Eaton Crouse-Hinds series PLG conduit plug
Catalog Number
PLG35 SA
UPC
782274101293
Product Length/Depth
1.32 in
Product Height
1.32 in
Product Width
1.5 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"
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 - PLG35 SA
Copper-free aluminum construction reduces weight and enhances corrosion resistance, supporting longer service life in harsh environments. The PLG35 SA’s copper-free alloy minimizes copper exposure in hazardous atmospheres while maintaining mechanical strength, translating to easier handling during installation, lower freight costs, and reduced maintenance over the life of the conduit system. The unit is designed to meet NEC/CEC standards and Hazardous/Classified Locations area classifications, including Class I Division 1 ratings, providing documented protection against ignition sources and safe integration with Eaton Crouse-Hinds explosion-proof product families. With a 1-inch trade size and compatibility with rigid/IMC conduit, it fits standard industrial layouts and existing gland infrastructure, simplifying procurement. The square-head design speeds fastening in tight spaces and facilitates consistent sealing, reducing rework times in field installs. The plug is engineered for quick, tool-efficient installation in the field, minimizing the need for special fittings and reducing project lead times, which translates to faster commissioning and lower labor costs. Comprehensive documentation and downloadable spec sheets, catalogs, and UL/certification reports support engineering reviews and compliance audits, while the rugged construction minimizes lifecycle maintenance and warranty calls.
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FAQs
The PLG35 SA is a square-head conduit plug designed for rigid/IMC conduit with a 1-inch trade size. It uses a copper-free aluminum body and is engineered for hazardous locations, including Class I/II environments. It is compatible with standard 1-inch conduit glands and enclosures, enabling straightforward field installation and consistent seal integrity without changing existing hardware.
Copper-free aluminum construction reduces copper content, improving corrosion resistance in humid and chemical environments and minimizing magnetic interference. The alloy’s lighter weight eases handling during installation and reduces shipping and labor costs. In hazardous-area installations, this material choice supports durable performance without sacrificing mechanical strength.
Yes. The PLG35 SA is engineered for Hazardous/Classified Locations with NEC/CEC compliance and Class I Division 1 ratings, among others. This provides a certified termination for explosive atmospheres in petrochemical, mining, and heavy manufacturing settings. Ensure proper compatibility with enclosure and gland hardware and follow installation practices to preserve the rating.
The PLG35 SA carries NEC/CEC compliance for hazardous locations and area classification labeling, including Class I Division 1 ratings. For procurement and engineering validation, refer to Eaton’s specification sheet and UL/certification documents to verify the exact scope and country-specific eligibility.
Installation benefits include a quick, tool-efficient square-head design and a standard 1-inch conduit footprint, reducing field time and rework. The copper-free aluminum minimizes corrosion maintenance and spark risk in hazardous zones, while rugged construction preserves seal integrity, contributing to longer service intervals and lower lifecycle costs.