Hubbell Bell 5400-0 Extension Adapter, 6-outlet, Die-cast Aluminum, Gray

The Hubbell Bell 5400-0 Extension Adapter is a die-cast aluminum electrical box extension designed to provide additional outlet capacity for NEC box fill requirements. This 1-gang adapter features six threaded 1/2-inch outlets, making it ideal for expanding electrical connections in both indoor and outdoor applications where code compliance and reliable capacity are essential.

Whether you're upgrading an existing electrical box, powering multiple devices, or meeting the demands of professional electrical work, this adapter delivers the extra outlets you need while maintaining safety and durability. The die-cast aluminum construction resists corrosion and weathering, and the NEMA 3R rating ensures reliable performance in outdoor and wet locations. Its shallow 1.5-inch depth fits seamlessly into tight spaces, and all necessary installation hardware is included for quick setup.

Features and Benefits

• Six Threaded Outlets: Provides the additional capacity needed to accommodate multiple 1/2-inch fittings and threaded conduit connections, complying with NEC box fill requirements.
• Die-Cast Aluminum Construction: Durable, corrosion-resistant material with a gray powder-coat finish that resists scratches and weather wear, extending the adapter's service life.
• NEMA 3R and UL Listed: Meets rigorous electrical and environmental safety standards, suitable for outdoor and wet locations with reliable performance.
• Shallow Depth Design: At just 1.5 inches deep, this 1-gang adapter fits into confined spaces where standard boxes cannot.
• Complete Hardware Kit: Includes installation hardware, gasket, 1/2-inch closure plugs, and a ground screw for hassle-free installation.
• NEMA-Compliant Hubs: Internal threads and hubs accept all standard threaded 1/2-inch fittings and conduit, offering versatile connection options.

Specifications

• Brand: Hubbell Bell
• Model: 5400-0
• Dimensions: 5-1/4 in. L × 3-1/2 in. W × 1-1/2 in. D
• Configuration: 1-Gang, 6-Knockout
• Material: Die-Cast Aluminum
• Finish: Gray
• Outlets: 6 threaded 1/2-inch outlets
• Certifications: UL Listed, NEMA 3R Rated
• Included: Installation hardware, gasket, closure plugs, ground screw