Topaz Lighting Two-Screw Clamp-Type Duplex Connector, Zinc Die-Cast, 3/8" for BX-FLEX, NM & MC Cable

Topaz Lighting Two-Screw Clamp-Type Duplex Connector, Zinc Die-Cast, 3/8" for BX-FLEX, NM & MC Cable

The Topaz Lighting Two-Screw Clamp-Type Duplex Connector is engineered to connect flexible metal conduit or armored cable — including BX-FLEX, NM, and MC cables — to a box or enclosure with a secure, code-compliant fit. Constructed from corrosion-resistant zinc die-cast, this 3/8" connector features a two-screw clamp assembly paired with a UL Listed locknut for a reliable, vibration-resistant connection. It fits aluminum smooth extruded MC cable in the range of .210 to .500 and is designed for interior, dry location installations. The NPT male hub delivers a fluid-tight seal at the enclosure entry point, and the 3/8" hub size accommodates a 1/2" knockout.

Key Features

• Trade Size: 3/8" connector with 1/2" knockout compatibility, sized for compact panel and enclosure entries.
• Durable Construction: Fabricated from corrosion-resistant zinc die-cast for long-lasting performance in interior electrical installations.
• Two-Screw Clamp Assembly: Dual-screw clamp design provides a firm, secure grip on BX-FLEX, NM, and MC cables, minimizing movement and ensuring a stable connection.
• Cable Compatibility: Fits aluminum smooth extruded MC cable with an outer diameter range of .210 to .500, accommodating a variety of cable sizes.
• NPT Male Hub: Threaded NPT male hub ensures a fluid-tight seal at the box or enclosure knockout for a professional, code-ready installation.
• UL Listed Locknut Included: Ships with a UL Listed locknut for verified, compliant securing at the enclosure.
• Location Rating: Rated for interior, dry location use, suitable for residential and commercial wiring applications.

Certifications & Compliance

• UL Listed
• Suitable for Interior, Dry Locations

Technical Specifications

• list_batch: TOPAZ-20260727

Typical Applications

• Connecting BX-FLEX, NM, and MC armored cables to electrical boxes and enclosures
• Residential and commercial interior wiring installations
• Panel, junction box, and device box cable entries
• New construction and renovation electrical rough-in work
• Conduit and raceway system terminations in dry locations

Why Topaz Lighting?

Topaz Lighting's duplex connectors are built from corrosion-resistant zinc die-cast and include a UL Listed locknut, reflecting a commitment to quality and code-compliant performance. The two-screw clamp design and NPT male hub ensure a secure, fluid-tight connection that professional electricians can rely on for both new construction and retrofit projects. When dependable, listed fittings matter, Topaz Lighting delivers consistent quality across its full line of electrical connectors and fittings.