Topaz Lighting Zinc Die-Cast Set-Screw EMT Coupling

Topaz Lighting Zinc Die-Cast Set-Screw EMT Coupling

The Topaz Lighting Zinc Die-Cast Set-Screw EMT Coupling is engineered to securely connect ends of thin-wall EMT conduit in commercial and industrial electrical installations. Constructed of corrosion-resistant zinc die-cast, this coupling delivers concrete-tight protection when taped, ensuring a reliable and durable raceway connection. Available in sizes ranging from 1/2" to 4", with 2-1/2" to 4" sizes also suitable for use with rigid conduit. UL Listed and NEMA/ANSI FB-1 compliant, this coupling meets the demands of professional electrical work in a wide range of applications.

Key Features

• Wide Size Range: Available in 1/2" through 4" trade sizes, with 2-1/2" to 4" sizes suitable for use with both EMT and rigid conduit, offering versatile installation options.
• Durable Construction: Manufactured from corrosion-resistant zinc die-cast for long-lasting performance in demanding electrical environments.
• Set-Screw Connection: Set-screw type assembly provides a solid, secure connection; easy-to-drive diverse screw head is compatible with a standard slotted head screwdriver for fast, reliable installation.
• Concrete-Tight Protection: Provides concrete-tight protection when taped, safeguarding conduit connections in embedded or exposed concrete applications.
• Dual Conduit Compatibility: Sizes 2-1/2" to 4" are suitable for use with both EMT and rigid conduit, adding flexibility to your raceway system design.
• Code-Compliant Design: UL Listed and NEMA/ANSI FB-1 compliant, meeting industry standards for safety and performance in professional electrical installations.

Certifications & Compliance

• UL Listed
• NEMA/ANSI FB-1 Compliant
• Concrete Tight When Taped

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Typical Applications

• Connecting thin-wall EMT conduit sections in commercial and industrial electrical systems
• Conduit and raceway installations requiring concrete-tight protection when taped
• Rigid conduit connections in 2-1/2" to 4" trade sizes
• New construction and renovation electrical rough-in work
• Indoor and outdoor conduit raceway systems
• Panelboard, load center, and branch circuit wiring runs

Why Topaz Lighting?

Topaz Lighting EMT couplings are built from corrosion-resistant zinc die-cast, ensuring structural integrity and long-term reliability in a variety of installation environments. Their UL Listed and NEMA/ANSI FB-1 compliant design gives electrical professionals confidence that every connection meets recognized industry safety standards. From light commercial to heavy industrial applications, Topaz Lighting couplings deliver the consistent, code-compliant performance that contractors and electricians depend on.