Eaton Crouse-Hinds EYS101 Conduit Sealing Fitting - Hazardous
Part Number: EYS101
Quick Summary
The EYS101 conduit sealing fitting from Eaton Crouse-Hinds seals conduit runs in hazardous locations. In practice, seal failures and moisture ingress can drive costly downtime and safety concerns. This 4 inch, female fitting carries NEC/CEC compliance and hazardous-location ratings across Class I, II, and III—backed by UL certifications. Vertical or horizontal sealing options and a heavy-duty feraloy/ductile iron body deliver durable, code-compliant protection with minimal maintenance. This makes it a practical, long-term sealing solution for engineers, procurement teams, and maintenance crews in heavy industry. Its 6.31 in length and 9.75 in height ensure it fits standard conduit layouts while maintaining seal integrity. Designed for groups that must meet NEC/CEC requirements and UL certifications, the EYS101 reduces risk and total cost of ownership.
Product Information
Extended Description
EYS101 Eaton Crouse-Hinds: Eaton Crouse-Hinds series EYS conduit sealing fitting, Female, Feraloy iron alloy and/or ductile iron, Vertical or horizontal, Group B rated, 4"
Product Name
Eaton Crouse-Hinds series EYS conduit sealing fitting
Catalog Number
EYS101
Product Length/Depth
6.31 in
Product Height
9.75 in
Product Width
5.25 in
Product Weight
19.95 lb
UPC
782274364995
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
Sealing position
Vertical or horizontal
Gender
Female
Trade size
4"
Material
Feraloy iron alloy Ductile iron
Special features
Group B rated
Eaton Crouse-Hinds EYS101 3D drawing
Crouse-Hinds series EYS and EZS Explosionproof Conduit Sealing Fittings catalog page
EYS and EZS Explosionproof Conduit Sealing Fittings UL certification
EYS and EZS Explosionproof Conduit Sealing Fittings UL certification
IF 287 - Conduit Sealing
Eaton Specification Sheet - EYS101
Feature: Group B rating and hazardous-location approvals provide immediate compliance with NEC/CEC. Business Impact: reduces risk of non-compliance penalties and prevents explosive environments from compromising equipment. Application: suitable for Class I, II, III installations in refineries, chemical plants, drilling rigs. This translates to safer start-ups, fewer project delays, and lower insurance exposure in critical facilities. Feature: Heavy-duty construction using Feraloy iron alloy or ductile iron. Business Impact: enhances mechanical strength, impact resistance, and corrosion tolerance in harsh industrial environments. Application: offshore platforms, mining operations, and chemical processing where seal integrity matters. Feature: 4 in trade size with a female configuration and precise dimensions (6.31 in L, 9.75 in H, 5.25 in W). Business Impact: ensures compatibility with standard conduit systems and predictable fitment, reducing field modification time. Application: retrofit projects and new builds requiring reliable enclosure sealing. Feature: Vertical or horizontal sealing capability. Business Impact: installation flexibility lowers inventory needs and speeds commissioning. Application: multi-orientation layouts in confined spaces or complex plant geometries. Feature: Availability of CAD drawings, installation instructions IF 287, and datasheets. Business Impact: accelerates design verification, reduces installation risk, and supports compliant documentation. Application: engineering design reviews, procurement packages, and field procurement. Industry context: As part of the Crouse-Hinds EYS/EZS family, this fitting aligns with UL listings and global hazardous-location standards, helping teams meet regulatory demands while controlling lifecycle costs.
Get a Quick Quote for a Eaton Crouse-Hinds EYS101
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton Crouse-Hinds EYS101?
Enquire Now
FAQs
To install the EYS101, confirm your site is compliant with NEC/CEC requirements for Class I, II, and III hazardous locations. Use appropriate seals and gaskets, mount the unit in a vertical or horizontal orientation, and tighten fittings to manufacturer torque specifications. Ensure the conduit enters cleanly and that the enclosure integrity is maintained during commissioning.
EYS101 is a female, 4 in trade size conduit sealing fitting constructed from Feraloy iron alloy or ductile iron. It carries Group B rating and NEC/CEC compliance with Hazardous/Classified Locations approvals, including Class I Div 1 and 2, Class II Div 1 and 2, and Class III, backed by UL certifications.
Yes. EYS101 is designed to integrate with the Crouse-Hinds EYS/EZS family, supporting standard conduit sealing practices. Its 4 in trade size and female configuration simplify matching with compatible conduits and enclosure seals, reducing assembly complexity and saving field time during retrofits or new installations.
EYS101 carries NEC/CEC compliance with hazardous-location ratings (Class I, II, III) and UL certifications. UL documents can be accessed via UL’s online databases or the manufacturer’s certification pages, where you’ll find the product’s specific approval numbers, scope, and Canada/US applicability for hazardous environments.
The EYS101 provides durable, long-life sealing with Group B ratings, reducing the risk of moisture ingress and seal failure. This lowers maintenance cycles, minimizes downtime in hazardous zones, and improves total cost of ownership by extending service life and simplifying compliance during audits and inspections.