Eaton ECGJH221 S758 Conduit Coupling - NEC/CEC

Part Number: ECGJH221 S758
Eaton Crouse-Hinds logo
Manufacturer
Eaton Crouse-Hinds
Part number
ECGJH221 S758
Category

Quick Summary

ECGJH221 S758 is a flexible conduit coupling for hazardous-area installations. This 21" long, male‑to‑male fitting enables secure, durable connections in explosive atmospheres. Many installers struggle with rigid fittings that crack under temperature swings or fail evolving compliance, causing downtime and rework. The coupling carries NEC/CEC approvals and hazardous-location ratings, including Class I, Class II, and Class III divisions, with optional Canada certifications. Built from forged brass and finished with a flexible PVC protective coating, it combines strength with resilience against harsh environments. For design engineers and maintenance teams, this ECGJH221 S758 offers reliable compliance, faster installation, and lower lifecycle costs in demanding industrial spaces.

Product Information

Extended Description

ECGJH221 S758 Eaton Crouse-Hinds: Eaton Crouse-Hinds series ECGJH coupling, 21" flexible length, Male connections both ends, Forged brass, Flexible PVC protective coating, 3/4" trade size
Product Name
Eaton Crouse-Hinds series ECGJH coupling
Catalog Number
ECGJH221 S758
Product Length/Depth
25.13 in
Product Height
1.88 in
Product Width
1.88 in
Product Weight
4.5 lb
UPC
782274779058
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 1 Class II, Division 1 Class III
Gender
Male connections both ends
Flexible length
21"
Trade size
3/4"
Material
Forged brass
Special features
Flexible PVC protective coating
Crouse-Hinds series EC Explosionproof Couplings catalog page ECGJH Declaration of Conformity ECGJH Declaration of Conformity ECGJH Declaration of Conformity IF 1618 - ECGJH Flexible Couplings Eaton Specification Sheet - ECGJH221 S758
The ECGJH221 S758 employs a 21" flexible length with a 3/4" trade size, enabling long, unobstructed conduit runs and reducing the number of joints required in complex layouts. This feature translates to faster installation and fewer leak paths, improving system integrity in hazardous locations. The forged brass body provides robust mechanical strength and vibration resistance, delivering reliable performance in refineries, chemical plants, and offshore environments while minimizing maintenance cycles. A flexible PVC protective coating adds moisture and chemical resistance, extending service life in damp or corrosive settings and lowering total cost of ownership. Male connections at both ends enable quick field assembly and straightforward retrofitting with existing EC series fittings, supporting modular upgrades without sacrificing seal integrity. Compliance with NEC/CEC standards and hazardous-location ratings ensures regulatory alignment across US and Canadian projects, reducing the risk of non‑compliance delays and rework. Finally, the 21" length and 3/4" trade size align with common conduit systems, ensuring broad compatibility with standard fittings and reducing inventory complexity for procurement teams.

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FAQs

ECGJH221 S758 uses male connections on both ends and fits standard 3/4" trade size conduit fittings. Start by verifying the area classification and shutting down power, then align the fittings and hand‑tighten before final torque per local codes. Refer to installation sheets such as IF 1618 for EC/Explosion‑proof coupling guidelines. The 21" length helps span obstacles, reducing the number of joints required and simplifying retrofits in constrained spaces.
The coupling is rated for hazardous/classified locations with NEC/CEC compliance, including Class I Division 1, Class II Division 1, and Class III. It is forged brass with a flexible PVC coating, delivering mechanical durability and environmental protection. Its design ensures reliable electrical continuity and resilience against vibration, temperature changes, and chemical exposure common in refineries, chemical plants, and offshore installations.
Ideal for chemical plants, oil & gas facilities, refineries, and offshore platforms where long conduit runs must withstand harsh environments. The 21" length and 3/4" trade size support mid to long-span installations, while the hazardous-location ratings ensure compliance in Division 1 areas. This makes it well suited for upgrade projects and new builds requiring durable, code‑compliant fittings.
Verify NEC/CEC compliance and hazardous-location ratings (Class I, Division 1; Class II, Division 1; Class III). The ECGJH221 S758 also lists Area classification as Hazardous/Classified Locations and has Declaration of Conformity documents available. Canada certifications are accessible via UL listings, ensuring cross-border applicability for US and Canadian projects.
The forged brass construction with a flexible PVC coating resists corrosion and wear, reducing maintenance cycles and replacement costs. Fewer joints and faster installation lower labor costs and downtime. The robust design supports longer service life in aggressive environments, delivering a favorable total cost of ownership for ongoing operations and compliance‑driven projects.