Eaton Crouse-Hinds PLG9 SA conduit plug-Hazardous Locations
Part Number: PLG9 SA
Quick Summary
PLG9 SA conduit plug from Eaton Crouse-Hinds seals rigid/IMC conduits in hazardous locations. Industrial environments demand robust protection against dust, moisture, and explosive atmospheres to prevent costly downtime. This unit is NEC/CEC compliant and carries Hazardous/Classified Locations area ratings, including Class I and II divisions and Class III protection. Its copper-free aluminum body and recessed profile simplify installation, reduce snag risk, and improve overall system reliability. By combining durability with code compliance, it delivers safer, faster field wiring and lower lifecycle costs for automation projects. This makes it suitable for refinery, chemical processing, and other hazardous-area applications.
Product Information
Extended Description
PLG9 SA Eaton Crouse-Hinds: Eaton Crouse-Hinds series PLG conduit plug, Rigid/IMC, Copper-free aluminum, 3-1/2", Recessed
Product Name
Eaton Crouse-Hinds series PLG conduit plug
Catalog Number
PLG9 SA
UPC
782274101255
Product Length/Depth
4.18 in
Product Height
1.03 in
Product Width
4.18 in
Product Weight
1.11 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
Recessed
Trade size
3-1/2"
Material
Copper-free aluminum
Crouse-Hinds series Explosionproof Reducers, Adapters and Plugs catalog page
Explosionproof Reducers, Adapters and Plugs UL certification
Explosionproof Reducers, Adapters and Plugs UL certification
Eaton Specification Sheet - PLG9 SA
Feature: Copper-free aluminum body. Business Impact: Delivers robust corrosion resistance with lighter weight, reducing handling time during installation and lowering total cost of ownership. Application: Well-suited for outdoor enclosures and chemical-processing areas where exposure to moisture and corrosive atmospheres is common, helping facilities extend service intervals between maintenance cycles. Feature: Recessed profile. Business Impact: Minimizes protrusion and snag risk on equipment openings, improving safety and reducing accidental damage during maintenance. Application: Ideal for panelized systems and tight electrical cabinets where flush mounting simplifies wiring and reduces risk of contact with live conductors. Feature: 3-1/2" trade size. Business Impact: Enables direct compatibility with larger rigid/IMC conduits, reducing the need for adapters and inventory variety, speeding up project schedules. Application: Common in industrial installations requiring sizable conduit entries and reinforced mechanical strength in hazardous-zone networks. Feature: Rigid/IMC conduit compatibility. Business Impact: Ensures secure, leak-tight termination for harsh environments, supporting safer splices and easier field installation. Application: Widely used in mining, petrochemical, and refinery facilities where rigid conduit is standard and mechanical protection is critical. Feature: NEC/CEC compliance and hazardous area ratings. Business Impact: Provides conformance with code requirements and certified protection across Classes I, II, III, Divisions 1 and 2, reducing regulatory risk and project rework. Application: Essential for design builds and upgrade projects in regulated facilities, where approvals depend on proven hazardous-location fittings. Feature: Access to datasheets and catalogs. Business Impact: Enables engineers to plan, budget, and validate installations with confidence, speeding procurement and reducing design ambiguity. Application: Use Eaton's PLG9 SA datasheets and UL certification references during design reviews and vendor approvals.
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FAQs
PLG9 SA is designed for rigid and IMC conduits with a 3-1/2 inch trade size and a recessed, copper-free aluminum body. This combination ensures a secure, flush fit that minimizes protrusion and snag points, simplifying installation in panel openings and existing conduit runs while maintaining a high level of environmental protection in hazardous locations.
PLG9 SA carries NEC/CEC compliance and Hazardous/Classified Locations area classifications, including Class I and II divisions and Class III. These certifications verify suitability for hazardous environments, reduce regulatory risk, and support safe commissioning in energy-intensive facilities such as refineries and chemical plants.
The plug measures 4.18 inches in length and width, with a height of 1.03 inches, and weighs 1.11 pounds. It is designed for a 3-1/2 inch trade size and uses copper-free aluminum to balance durability with manageable handling in field installations.
PLG9 SA excels in hazardous-area electrical installations across oil & gas, chemical processing, mining, and similar industrial environments. Its recessed profile, rigid/IMC conduit compatibility, and NEC/CEC compliance support safe, code-conforming connections in equipment rooms, outdoor enclosures, and harsh plant floors.
Comprehensive resources are available from Eaton, including the PLG9 SA specification sheet, catalog pages for Crouse-Hinds series, and UL certification references. Access these documents to verify dimensions, material, ratings, and installation instructions, ensuring correct part selection and compliant field installations.