Eaton 780DC EMT Combination Coupling - EMT to FMC, NEC/CEC
Part Number: 780DC
Quick Summary
Eaton 780DC EMT Combination Coupling is a robust conduit fitting that joins EMT to FMC clamps for reliable, space-efficient electrical installations. It addresses project delays caused by switching between separate fittings and incompatible parts by offering a single, compatible solution. This coupling aligns with NEC/CEC standards and Canadian certification, ensuring code compliance across North American projects. Built for ordinary, non-hazardous locations, it delivers consistent performance in panels, enclosures, and conduit runs. By integrating EMT to FMC in one part, you reduce inventory complexity and streamline procurement, while benefiting from the corrosion-resistant zinc die-cast body and compact footprint that fit tightly bunched wiring spaces. This supports faster commissioning and lower total installed costs in industrial settings.
Product Information
Extended Description
780DC Eaton: Eaton Crouse-Hinds series EMT combination coupling, EMT (set screw) to FMC (clamp), Zinc die cast, Combination type, 1/2"-3/8"
Product Name
Eaton Crouse-Hinds series EMT combination coupling
Catalog Number
780DC
UPC
784564107800
Product Length/Depth
1.71 in
Product Height
0.94 in
Product Width
1.08 in
Product Weight
0.08 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
EMT
Style
Combination
Combination type
EMT (set screw) to FMC (clamp)
Trade size
1/2"-3/8"
Material
Zinc die cast
Crouse-Hinds series Combination Couplings - EMT catalog page
Combination Couplings - EMT Canadian certification
Combination Couplings - EMT Canadian certification
Eaton Specification Sheet - 780DC
Feature → Business Impact → Application: The zinc die-cast body provides robust corrosion resistance, reducing maintenance cycles and service calls in cleaner industrial environments; this translates to lower lifecycle costs and higher equipment uptime, especially in panel assemblies and control enclosures. Feature → Business Impact → Application: A true combination design (EMT set screw to FMC clamp) minimizes the number of fittings required on site, speeding installations and reducing parts stocking, which is critical in high-mismatches environments like facility retrofits and new builds. Feature → Business Impact → Application: Trade size 1/2 inch to 3/8 inch supports common conduit configurations, enabling quick alignment with existing EMT runs and FMC clamps without adapters, improving field routing accuracy in machine bays. Feature → Business Impact → Application: Lightweight and compact (1.71 in length, 1.08 in width, 0.94 in height; 0.08 lb) supports tight spaces and easy handling, cutting installation time in crowded panels and junction boxes. Feature → Business Impact → Application: NEC/CEC compliance and ordinary/non-hazardous location rating provide regulatory confidence for commercial and industrial installations, ensuring code-ready connections during audits and inspections. Feature → Business Impact → Application: The product’s compatibility with Eaton Crouse-Hinds series fittings accelerates system integration, reduces engineering changes, and supports standardized wiring practices across applications such as machinery, conveyors, and control panels.
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FAQs
Yes. The 780DC is designed as an EMT (set screw) to FMC (clamp) combination coupling, enabling seamless transitions between EMT conduit and FMC-type fittings without needing additional adapters or multiple parts.
The coupling complies with NEC/CEC standards for electrical installations and is rated for Ordinary/Non-Hazardous Locations. It also carries Canadian certification references via UL documentation, supporting cross-border compliance.
Absolutely. By combining EMT and FMC into a single part, it reduces the number of components, simplifies routing, and shortens assembly time in panels, junction boxes, and compact enclosures.
No. The product is rated for Ordinary/Non-Hazardous Locations. For outdoor or hazardous-location applications, select fittings specifically rated for those environments and consider environmental seals or alternative materials.
Ensure proper alignment of EMT and FMC pathways, tighten set screws to the manufacturer’s torque guidelines, and keep the zinc die-cast surface clean to prevent corrosion. The combination design minimizes parts and improves field reliability in routine maintenance cycles.