Topaz Lighting Steel Compression Raintight EMT Coupling

Topaz Lighting Steel Compression Raintight EMT Coupling, Zinc-Plated

The Topaz Lighting Steel Compression Raintight EMT Coupling is engineered to deliver secure, concrete-tight and raintight connections when joining ends of thin-wall EMT conduit together. Constructed from durable steel with a zinc-plated finish, this compression-type coupling offers reliable longevity in demanding electrical installations. Available in sizes from 1/2" to 4", this coupling family is NEMA/ANSI FB-1 compliant and most sizes are UL Listed, making it a trusted choice for professional electricians and contractors.

Key Features

• Compression-Type Assembly: Easy-to-install compression design provides a secure, concrete-tight and raintight seal when joining EMT conduit ends — no set screws required.
• Durable Steel Construction: Built-to-last steel body delivers exceptional strength and structural integrity for long-term performance in commercial and industrial environments.
• Zinc-Plated Finish: Zinc-plated surface treatment enhances corrosion resistance and extends the service life of the coupling in wet and exposed locations.
• Raintight & Concrete-Tight Rated: Provides raintight and concrete-tight protection, suitable for use in wet locations and direct concrete encasement applications.
• Wide Size Range: Available in sizes from 1/2" to 4" to accommodate a broad range of EMT conduit installations and system requirements.
• EMT Conduit Compatibility: Specifically designed for use with thin-wall EMT conduit, ensuring a proper fit and reliable electrical continuity throughout the raceway system.
• NEMA/ANSI FB-1 Compliant: Meets NEMA/ANSI FB-1 standards for fittings used with conduit and cable in electrical installations.

Certifications & Compliance

• UL Listed (most sizes)
• NEMA/ANSI FB-1 Compliant
• Raintight Rated
• Concrete-Tight Rated
• Suitable for Wet Locations

Technical Specifications

• Spec Sheet: Available from manufacturer documentation

Typical Applications

• Joining thin-wall EMT conduit sections in commercial and industrial electrical systems
• Outdoor and wet-location conduit raceway installations requiring raintight protection
• Concrete-encased conduit runs in new construction and renovation projects
• Exposed conduit systems in manufacturing facilities, warehouses, and utility spaces
• Electrical rough-in work for residential, commercial, and industrial buildings
• Conduit systems requiring NEMA/ANSI FB-1 compliant fittings

Why Topaz Lighting?

Topaz Lighting EMT couplings are built from durable steel with a zinc-plated finish, delivering the corrosion resistance and mechanical strength that professional electrical installations demand. With compression-type assembly, raintight and concrete-tight ratings, and NEMA/ANSI FB-1 compliance, these couplings are engineered to meet code requirements and perform reliably across a wide range of job-site conditions. Trust Topaz Lighting for quality electrical fittings that stand up to the rigors of commercial and industrial use.