Eaton Crouse-Hinds XJG74 expansion coupling - HDG
Part Number: XJG74 HDG
Quick Summary
XJG74 HDG expansion coupling provides rigid/IMC conduit expansion for industrial installations. Installers often face downtime and misalignment when fittings can't absorb thermal movement or adapt to standard trade sizes. It meets NEC/CEC standards for general electrical installations, is suitable for Ordinary/Non-Hazardous locations, and carries UL certification for Canada. By leveraging its rugged steel build with a hot-dip galvanized finish and a 2-1/2" trade size, it delivers reliable, maintenance-friendly expansion for industrial wiring and plant floor installations.
Product Information
Extended Description
XJG74 HDG Eaton Crouse-Hinds: Eaton Crouse-Hinds series XJG expansion coupling, Rigid/IMC, Steel, Hot dip galvanized finish, 4" maximum conduit movement, 2-1/2" trade size
Product Name
Eaton Crouse-Hinds series XJG expansion coupling
Catalog Number
XJG74 HDG
UPC
662276271531
Product Length/Depth
10 in
Product Height
4.87 in
Product Width
4.87 in
Product Weight
12.5 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Type
Expansion
Conduit type
Rigid/IMC
Trade size
2-1/2"
Conduit movement - max
4"
Material
Steel
Finish
Hot dip galvanized
Crouse-Hinds series Hot Dip Galvanized Products brochure
Crouse-Hinds series Hot Dip Galvanized Products brochure
Crouse-Hinds series XJG Conduit Expansion Couplings for Rigid/IMC catalog page
XJG Conduit Expansion Couplings for EMT and Rigid/IMC Canadian certification
XJG Conduit Expansion Couplings for EMT and Rigid/IMC Canadian certification
IF 343 - Type XJ Expansion Joints
IF 343 - Type XJ Expansion Joints
Eaton Specification Sheet - XJG74 HDG
Eaton Specification Sheet - XJG74 HDG
The XJG74 HDG expansion coupling is designed to absorb up to 4 inches of conduit movement in rigid/IMC installations, reducing stresses at joints and lowering maintenance costs over the equipment life cycle. This feature translates directly to fewer service interruptions and longer service intervals in dynamic manufacturing environments where thermal expansion or vibration is common. The product is compatible with rigid/IMC conduit, eliminating the need for adapters and simplifying field installation in steel-framed facilities. Constructed from steel with a hot-dip galvanized finish, it delivers superior corrosion resistance for outdoor, wash-down, or damp locations, extending service life and protecting capital assets. With a 2-1/2 inch trade size, it aligns with standard conduit runs, enabling faster sourcing and easier procurement during plant upgrades. Certifications and compliance—NEC/CEC standards and UL certification for Canada—provide peace of mind for regulated projects while supporting safe and compliant installations. This coupling is well-suited for industrial wiring harnesses and heavy-duty control panels where reliability and installer confidence are paramount.
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FAQs
Install the XJG74 HDG coupling on a 2-1/2 inch trade-size rigid/IMC run, aligning the conduit ends to absorb up to 4 inches of movement. Refer to the IF 343 instruction sheets for XJ/XJG installation guidance and ensure proper tightening per catalog guidelines to maintain a secure, code-compliant joint.
The coupling is manufactured from steel and finished with hot-dip galvanizing (HDG). This combination provides excellent corrosion resistance for outdoor, damp, or wash-down environments, helping extend the life of conduit runs in harsh industrial settings.
The product complies with NEC/CEC standards for general electrical installations and carries a UL Canada certification. It is rated for Ordinary/Non-Hazardous Locations, ensuring regulatory compliance and suitability for standard industrial applications.
The XJG74 HDG is designed for 2-1/2 inch trade-size rigid/IMC conduit with a maximum movement of 4 inches, enabling efficient accommodation of thermal expansion and mechanical shifts in long runs.
Using the XJG74 HDG expansion coupling reduces downtime by maintaining alignment under thermal/mechanical movement, minimizes field adaptations, and supports longer service life due to corrosion-resistant HDG finish. It also simplifies procurement with standard 2-1/2 inch conduit compatibility and NEC/CEC compliance for safer, code-aligned installations.