Eaton Crouse-Hinds XJG18 SA Expansion Coupling - NEC/CEC
Part Number: XJG18 SA
Quick Summary
Eaton Crouse-Hinds XJG18 SA expansion coupling is designed to absorb movement in rigid/IMC conduit, enabling reliable expansion relief in industrial electrical installations. In many facilities, thermal cycling and equipment vibration can stress conduits, leading to misalignment or failure if not accommodated. This expansion coupling supports NEC/CEC compliance and offers UL Canada certification references, giving you confidence in regulatory alignment and field acceptance. Its copper-free aluminum construction, 11 in length, and 1/2" trade size deliver a practical balance of strength and installability, reducing project risk. For procurement teams and engineers, the combination of standard conformity and straightforward installation translates to predictable lead times and lower total cost of ownership.
Product Information
Extended Description
XJG18 SA Eaton Crouse-Hinds: Eaton Crouse-Hinds series XJG expansion coupling, Rigid/IMC, Copper-free aluminum, 8" maximum conduit movement, 1/2" trade size
Product Name
Eaton Crouse-Hinds series XJG expansion coupling
Catalog Number
XJG18 SA
UPC
782274915739
Product Length/Depth
11 in
Product Height
2.25 in
Product Width
2.25 in
Product Weight
0.95 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Type
Expansion
Conduit type
Rigid/IMC
Trade size
1/2"
Conduit movement - max
8"
Material
Copper-free aluminum
Crouse-Hinds series Conduit Expansion/Deflection Couplings 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 - XJG18 SA
Eaton Specification Sheet - XJG18 SA
Feature → Business Impact → Application: Copper-free aluminum construction minimizes weight and corrosion risk, improving durability while simplifying handling during installation, which reduces labor time on site. This translates to lower installation costs and longer-term reliability in harsh environments, making it ideal for rigid/IMC conduit runs in manufacturing plants or data centers. Feature → Business Impact → Application: 8" max conduit movement accommodates thermal expansion and seismic or vibration-induced shifts without stressing joints, delivering higher system uptime and reduced maintenance cycles in critical facilities. Feature → Business Impact → Application: 1/2" trade size with 11" length provides a compact, serviceable expansion coupling suitable for tight spaces, enabling rapid retrofit or new builds in commercial electrical rooms and industrial cabinets. Feature → Business Impact → Application: Meets NEC/CEC standards with ordinary/non-hazardous location classification, ensuring code-compliant installation across North American facilities and simplifying compliance documentation. Feature → Business Impact → Application: Cataloged with installation resources and multiple data sheets, including IF343 instruction sheets, enabling engineers to validate fit, plan procurement, and accelerate commissioning in project workflows. Feature → Business Impact → Application: Copper-free aluminum reduces material cost and eases recycling considerations, supporting sustainability goals while maintaining mechanical performance for Rigid/IMC conduit applications.
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FAQs
XJG18 SA is designed for a 1/2 inch trade size with rigid/IMC conduit, offering up to 8 inches of movement. Its 11 inch length and copper-free aluminum construction support straightforward, space-conscious installations in standard electrical rooms and field assemblies.
Ensure proper alignment of conduit runs before installation, use the provided installation instructions (IF 343 sheets), and follow NEC/CEC guidance for ordinary locations. Verify the coupling sits within tolerances to absorb movement without creating excessive stress on adjacent fittings.
Yes. The XJG series adheres to NEC/CEC standards and carries ordinary/non-hazardous location classification. Certification references include UL Canada for EMT and Rigid/IMC implementations, providing regulatory assurance for cross-border projects.
The coupling reduces conduit stress and potential joint failures, extending system life and lowering maintenance costs. Its installation efficiency, lightweight material, and compatibility with standard installation practices contribute to faster commissioning and lower total project cost.
Industries with extensive rigid/IMC conduit runs and movement exposure—such as manufacturing, facilities management, and data centers—benefit from this coupling. It’s well-suited for expansions, retrofits, and new builds in non-hazardous environments requiring reliable movement compensation.