Eaton 658 EMT Compression Connector - NEC/CEC
Part Number: 658
Quick Summary
Eaton Crouse-Hinds EMT compression connector provides secure EMT conduit joins for industrial electrical installations. Field electricians often struggle with slow terminations, uneven grounding, and inconsistent fit when assembling conduit runs. This model adheres to NEC/CEC standards, is listed for Ordinary/Non-Hazardous Locations, and carries UL Canadian certification, ensuring reliable performance in commercial facilities. The combination of straight, compression design and steel construction keeps installation fast, compliant, and cost-effective across service entrances and control panels. Engineers appreciate the clear specifications, such as trade size 3-1/2" and threadless connection, which streamline procurement and project timelines.
Product Information
Extended Description
658 Eaton: Eaton Crouse-Hinds series EMT compression connector, EMT, Straight, Non-insulated, Steel, Threadless, 3-1/2"
Product Name
Eaton Crouse-Hinds series EMT compression connector
Catalog Number
658
UPC
784564106582
Product Length/Depth
5.7 in
Product Height
6.4 in
Product Width
4.4 in
Product Weight
2.8 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
EMT
Connector type
Straight
Style
Compression
Insulator
Non-insulated
Trade size
3-1/2"
Thread
Threadless
Material
Steel
Eaton Crouse-Hinds 658 3D drawing
Crouse-Hinds series Connectors and Couplings - EMT catalog page
Connectors and Couplings - EMT Canadian certification
Connectors and Couplings - EMT Canadian certification
Eaton Specification Sheet - 658
Feature: Straight EMT compression connector enables direct, unobstructed conduit joins. Benefit: Reduces installation time and labor costs while ensuring a robust mechanical and electrical bond. Application: Ideal for control panels, motor control centers, and commercial wiring runs where quick, code-compliant terminations are needed. Feature: Threadless, non-insulated steel construction. Benefit: Simplifies assembly, minimizes threaded fatigue, and improves grounding continuity in non-hazardous spaces. Application: Suitable for dry interior installations and service panels where corrosion protection is not required. Feature: Trade size 3-1/2" with EMT compatibility. Benefit: Delivers exact fit for standard EMT pathways, lowering rework and mis-fit risk. Application: Common in building infrastructure and light-industrial wiring projects. Feature: NEC/CEC compliance and UL Canada certification. Benefit: Reduces inspection risk and ensures cross-border project readiness. Application: Facilitates procurement for multinational facilities and shared standards environments. Feature: Crouse-Hinds steel family compatibility. Benefit: Streamlines stocking and interoperability with other EMT fittings from the same family. Application: Supports scalable installations in growing facilities and panel upgrades.
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FAQs
The Eaton 658 is designed for EMT conduit runs in non-hazardous indoor environments. It is a straight, compression-type connector that joins EMT steel conduits with a threadless design, making it ideal for control panels, wiring closets, and service entrances where fast, code-compliant terminations are needed.
Prepare the EMT ends to be joined, then insert the conduit into the straight compression connector and apply the appropriate compression tool to secure the ferrule against the conduit. Ensure metal-to-metal contact for grounding continuity and verify a snug, backlash-free fit before wiring the enclosure or box.
Yes. The 658 connector complies with NEC/CEC standards and is listed for Ordinary/Non-Hazardous Locations. It also carries UL Canada certification, supporting cross-border use and reducing compliance risk on mixed-region projects.
Absolutely. With a steel, non-insulated, compression design and a 3-1/2" trade size, the 658 provides fast, durable terminations in ordinary-location commercial installations, delivering reliable grounding and reduced installation time compared to threaded alternatives.
The 658 is designed to integrate seamlessly with other Eaton Crouse-Hinds EMT fittings, especially straight compression connectors in the same series. When planning a larger run, verify nominal conduit sizes, ensure matching EMT types, and maintain consistent grounding paths across all fittings for maximum system integrity.