1/2 inch Galvanized Iron Threadless Coupling

1/2 inch Galvanized Iron Threadless Coupling for Rigid Conduit Systems

The 1/2 inch Galvanized Iron Threadless Coupling is designed to connect two lengths of 1/2 inch unthreaded rigid metal conduit (RMC) or intermediate metal conduit (IMC) in electrical and mechanical piping applications. Manufactured from zinc-coated iron, this coupling provides a secure, grounded mechanical connection without the need for threading or welding.

Application and Performance Features

This coupling is intended for use in dry locations where threaded connections are not feasible. It features internal compression components or set-screw arrangements (depending on model) that ensure continuity of the raceway and provide resistance to loosening under vibration or thermal expansion.

• ✅ Galvanized Iron Body Corrosion-resistant for extended service life in standard environmental conditions.
• ✅ Threadless Connection Allows for joining of unthreaded conduit ends without cutting threads on-site.
• ✅ Mechanical Grounding Maintains electrical continuity across conduit sections per NEC requirements.
• ✅ Low-Profile Design Ideal for use in tight installations and concealed wall or ceiling spaces.
• ✅ Code-Compliant Construction Meets UL and NEC standards for secure conduit joins in non-threaded applications.

Technical Specifications

• Material: Hot-Dip Galvanized Malleable Iron
• Nominal Size: 1/2 Inch
• Connection Type: Threadless Compression or Set-Screw (model-specific)
• Certifications: UL Listed, CSA Certified
• Applicable Standards: ANSI C80.1, NEC Article 344

Installation Considerations

This coupling should be installed using manufacturer-recommended torque specifications for the internal locking mechanism. Always verify compatibility with conduit material and size. Not suitable for wet or corrosive environments unless specifically rated for such use.

Common Use Cases

Frequently used in commercial, industrial, and utility applications, this coupling allows rigid conduit segments to be connected quickly during rough-in electrical work or mechanical support layouts. Appropriate for wall, ceiling, and equipment stub-outs where rigid steel conduit must remain continuous without threading.

Material Note

Galvanized malleable iron provides superior tensile strength and dimensional stability under load. The zinc coating enhances resistance to moisture-related corrosion in typical indoor environments.

The 1/2 inch Galvanized Iron Threadless Coupling is a dependable solution for achieving code-compliant conduit continuity in rigid systems without field threading. Ideal for rough-in construction, panel transitions, and mechanical raceway layouts where speed, strength, and reliability are required.