Eaton 656YELLOW EMT compression connector - NEC/CEC
Part Number: 656YELLOW
Quick Summary
656YELLOW Eaton EMT compression connector provides fast, reliable conduit connections for steel EMT runs in ordinary locations. Installers often struggle with misaligned, bulky fittings that slow progress and risk non-compliance during tight field work. Designed to meet NEC/CEC standards with UL certification for EMT fittings, it supports safe, code-compliant terminations in non-hazardous environments. The yellow color aids circuit identification, while the compact, threadless compression design reduces the number of parts and simplifies stocking, improving procurement cycles and project timelines.
Product Information
Extended Description
656YELLOW Eaton: Eaton Crouse-Hinds series EMT compression connector, Yellow, EMT, Straight, Non-insulated, Steel, Threadless, 2-1/2"
Product Name
Eaton Crouse-Hinds series EMT compression connector
Catalog Number
656YELLOW
UPC
662277091060
Product Length/Depth
3.31 in
Product Height
3.75 in
Product Width
3.75 in
Product Weight
1.9 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
EMT
Connector type
Straight
Style
Compression
Insulator
Non-insulated
Trade size
2-1/2"
Color
Yellow
Thread
Threadless
Material
Steel
Eaton Crouse-Hinds 656YELLOW 3D drawing
Crouse-Hinds series Connectors and Couplings - EMT catalog page
Connectors and Couplings - EMT UL certification
Connectors and Couplings - EMT UL certification
Eaton Specification Sheet - 656YELLOW
Feature: Compression, threadless connection enables a secure EMT termination with fewer parts. Business Impact: Speeds up installation, reduces tool time, lowers labor costs, and simplifies on-site inventory. Application: Ideal for 2-1/2 inch EMT runs in control panels and field wiring where quick terminations are critical. Feature: Steel, non-insulated construction delivers durability without extra insulation layers. Business Impact: Enhanced durability in ordinary locations with cost savings from eliminating unnecessary insulation. Application: Suitable for industrial wiring in machine rooms and non-hazardous environments where moisture control is managed by enclosure design. Feature: Yellow color coding improves circuit identification and reduces cross-connect errors. Business Impact: Fewer wiring mistakes, faster troubleshooting, and streamlined maintenance. Application: Large electrical rooms and panel boards with multiple feeders. Feature: NEC/CEC compliance and UL certifications provide regulatory confidence. Business Impact: Simplifies compliance audits, reduces engineering risk, and accelerates project approvals. Application: Retrofit and new builds across commercial and light-industrial facilities. Feature: Dimensional accuracy—3.31 in length, 3.75 in height/width, 1.9 lb weight—offers predictable fit within enclosures. Business Impact: Easier layout planning, consistent workmanship, and reduced rework. Application: Standardized installations in equipment cabinets and switchgear housings.
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FAQs
Begin by cutting and deburring the EMT to the required length. Slide the connector onto the conduit, seat it flush against the enclosure, and tighten the compression nut with a compatible compression tool until the conductor seat is secure. Avoid over-tightening to prevent deformation, and verify the connection is electrically sound and free of gaps before wiring.
The 656YELLOW is designed to NEC/CEC compliant fittings and carries UL certification for EMT connectors. It is intended for ordinary/non-hazardous locations, ensuring regulatory alignment in US and Canadian installations and simplifying the approval process for new builds and upgrades.
This connector is intended for ordinary/non-hazardous locations and does not specify outdoor or weatherproof ratings. For outdoor or moisture-prone installations, use appropriate enclosures or kits designed for wet environments, and consult local codes to determine if additional protection is required.
Key specs include a 2-1/2 inch trade size, 3.31 inch length, 3.75 inch width and height, and a weight of 1.9 pounds. The connector is steel, non-insulated, threadless, and intended for EMT conduit with straight configuration in yellow color for circuit identification.
The connector offers faster installation due to its compression, fewer parts, and easier stock management. It delivers code-compliant terminations, reliable mechanical strength, and improved circuit identification, contributing to lower installation costs, reduced field risk, and a smoother path through compliance reviews in mid-scale manufacturing environments.