Eaton 691 EMT Combination Coupling - NEC/CEC Standards
Part Number: 691
Quick Summary
The EMT Combination Coupling from Eaton connects EMT to rigid conduit for control panels and equipment wiring. In typical installs, misalignment, corrosion, and slow assembly can delay projects; this part helps tighten joints quickly and reliably. It is NEC/CEC compliant and rated for Ordinary/Non-Hazardous Locations, with additional Canadian certification support. Designed for 3/4 inch conduit runs, it delivers robust steel construction and a straightforward compression-to-threaded connection, enabling faster terminations and fewer field failures. This combination fitting translates to lower labor costs and more predictable project timelines while maintaining rugged performance in demanding environments.
Product Information
Extended Description
691 Eaton: Eaton Crouse-Hinds series EMT combination coupling, EMT (compression) to rigid (threaded), Steel, Combination type, 3/4"-3/4"
Product Name
Eaton Crouse-Hinds series EMT combination coupling
Catalog Number
691
UPC
784564106919
Product Length/Depth
1.44 in
Product Height
1.38 in
Product Width
1.38 in
Product Weight
0.13 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
EMT
Style
Combination
Combination type
EMT (compression) to rigid (threaded)
Trade size
3/4"-3/4"
Material
Steel
Crouse-Hinds series Combination Couplings - EMT catalog page
Combination Couplings - EMT Canadian certification
Combination Couplings - EMT Canadian certification
Eaton Specification Sheet - 691
Feature: Steel construction and combination design provide a durable joint resistant to impact and corrosion in ordinary locations. Business Impact: Extends service life and reduces replacement costs, accelerating maintenance budgets. Application: Ideal for control panels and machine enclosures in manufacturing and processing facilities. Feature: 3/4 inch trade size compatibility with standard EMT and rigid conduits. Business Impact: Ensures seamless integration with common conduit inventories, reducing misfits and stock requirements. Application: Wiring runs in compact electrical panels and field installations. Feature: Compression EMT to threaded rigid connection simplifies installation. Business Impact: Speeds up terminations and lowers labor time, minimizing on-site downtime. Application: Quick field terminations on presses, conveyors, and automation equipment. Feature: Regulatory compliance with NEC/CEC and ORDINARY/Non-Hazardous Locations. Business Impact: Reduces compliance risk and accelerates project approvals. Application: Commercial and light industrial installations requiring code adherence. Feature: Canadian certification support and UL listing references. Business Impact: Enables cross-border use and certified performance for Canadian markets. Application: EMT fittings in facilities with UL Canada certification requirements and regional approvals.
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FAQs
To install the Eaton 691, ensure both EMT and rigid conduits are clean and properly prepared. Slide the EMT into the compression portion, align with the rigid threaded side, and tighten securely with the appropriate tool. Verify the joint is flush and cable runs are routed without kinks. This method delivers a robust, code-compliant connection with minimal installation time.
Yes. The 691 is designed to NEC/CEC standards for ordinary/non-hazardous locations. It is compatible with NEC/CEC requirements and has Canadian certification support via UL listings, enabling compliant use in both U.S. and Canadian electrical installations.
Trade size is 3/4"-3/4". The product length is 1.44 in, height 1.38 in, and width 1.38 in. It weighs 0.13 lb, making it a compact, lightweight conduit connector suitable for tight spaces in panels and equipment enclosures.
Best suited for control panels, machine enclosures, and general conduit runs where EMT joins rigid conduit. It supports reliable terminations in ordinary locations and helps streamline installations on automation equipment, conveyors, and process control systems.
The 691 carries Canadian certification through UL for EMT fittings and is listed for Canada. This supports compliant use in Canadian facilities and helps satisfy regional regulatory requirements alongside NEC/CEC compliance.