Crouse-Hinds EMT to Rigid Cond...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$3.99

Crouse-Hinds EMT to Rigid Conduit Combination Coupling - Set Screw Connection System

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Model: 421

In Stock (leaves warehouse same day if ordered before 3pm ET)

$3.99
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Crouse-Hinds EMT to Rigid Conduit Combination Coupling

Professional Set Screw Connection System for Mixed Conduit Applications

The Crouse-Hinds EMT to Rigid Conduit Combination Coupling provides reliable connection between EMT and rigid conduit systems using set screw technology. This zinc plated steel coupling delivers professional-grade performance for ordinary/non-hazardous locations, featuring compact 3-inch length design with dual set screw connections for secure conduit joining.

Professional Features & Benefits

  • EMT to Rigid Connection: Enables seamless transition between different conduit types in a single coupling for versatile installation flexibility.
  • Set Screw Design: Dual set screw connections provide secure, reliable attachment to both EMT and rigid conduit without threading requirements.
  • Zinc Plated Steel Construction: Corrosion-resistant finish ensures long-term durability and maintains connection integrity in demanding environments.
  • Compact 3-Inch Profile: Space-efficient design minimizes installation footprint while providing full structural connection capability.
  • NEC/CEC Compliant: Meets National Electrical Code and Canadian Electrical Code standards for professional electrical installations.
  • Ordinary Location Rating: Approved for standard commercial and residential applications in non-hazardous environments.

Technical Specifications

  • Area Classification: Ordinary/Non-Hazardous Locations
  • Combination Type: EMT (set screw) to rigid (set screw)
  • Conduit Type: EMT
  • Product Details: Combination
  • Product Height: 1.5 IN
  • Product Length: 3 IN
  • Product Length Depth: 2.81 in
  • Product Material: Zinc plated steel
  • Product Style: Combination
  • Product Weight: .37 LB
  • Product Width: 1.5 IN
  • Standards Type: NEC/CEC

Installation & Operation

  1. Mount the coupling in a suitable location with appropriate clearance and access for connections and service.
  2. Connect utility and load conductors following applicable guidelines and the manufacturer's instructions.
  3. Wire generator or power input according to the provided voltage/phase specifications and compatible capacity.
  4. Configure any available load management or control features as supported by the provided specifications.
  5. Test automatic transfer or operational functionality and verify proper performance before placing into service.
  6. Complete final inspection and follow ongoing maintenance practices appropriate to the product category.

Professional Applications

  • Commercial Building Electrical Systems
  • Industrial Facility Conduit Transitions
  • Residential Electrical Installations
  • Retrofit and Upgrade Projects
  • Mixed Conduit System Integration
  • Professional Electrical Contracting

Why Choose Crouse-Hinds Quality?

Crouse-Hinds combination couplings deliver proven reliability through zinc plated steel construction and NEC/CEC compliance. The precision-engineered set screw design ensures secure connections while the compact profile facilitates professional installation in space-constrained applications.

Manufacturer Resources

Product Specs

Area Classification:
Ordinary/Non-Hazardous Locations
Combination Type:
EMT (set screw) to rigid (set screw)
Conduit Type:
EMT
Product Details:
Combination
Product Height:
1.5 IN
Product Length:
3 IN
Product Length Depth:
2.81 in
Product Material:
Zinc plated steel
Product Style:
Combination
Product Weight:
.37 LB
Product Width:
1.5 IN
Standards Type:
NEC/CEC
Product Depth:
0.63 in
Product Grips:
Plastisol
Department:
Eletrical

Crouse-Hinds 421 – Frequently Asked Questions

How fast can I get the Crouse-Hinds 421 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Crouse-Hinds 421 come with a warranty?
Absolutely. The Crouse-Hinds 421 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Crouse-Hinds 421?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Crouse-Hinds 421 from ZenSupply?
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