Southwire 54151-HUR-UPC Adjustable 4x4 Octagon Box

Product Description

The SOUTHWIRE 54151-HUR-UPC is a 4-inch by 4-inch adjustable octagon electrical box designed for mounting ceiling and wall lighting fixtures, ceiling fans, and convenience outlets. Built from durable steel, this box delivers the structural integrity required for reliable fixture support in residential and light commercial wiring applications. It includes combo-head fixture mounting screws, allowing installation without sourcing additional hardware. Electricians and experienced DIYers use this box as a standard rough-in component during new construction and retrofit projects.

This octagon box is suited for ceiling and wall applications where a round or octagonal mounting profile is required. It is commonly installed in junction and fixture locations for lighting, ceiling fans, and outlet devices. The adjustable design allows the box to be positioned between framing members, making it a practical choice for both new construction framing and remodel work where stud access may be limited.

Key Features

• Durable steel construction provides solid support for lighting fixtures and ceiling fans
• 4-inch by 4-inch octagon profile fits standard ceiling and wall fixture mounting patterns
• Adjustable design allows placement between framing members without direct stud attachment
• Includes combo-head fixture and cover mounting screws for complete installation
• Compatible with convenience outlets and standard wiring devices in addition to lighting fixtures

Compatibility

Designed as an OEM-style replacement and standard rough-in solution for residential and light commercial electrical fixture installations requiring a 4-inch by 4-inch octagon box profile.

Installation Notes

Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and applicable local codes. Always shut off circuit power at the breaker panel and verify the circuit is de-energized with a non-contact voltage tester before beginning work. Ensure the box is rated for the weight of the fixture being mounted, and confirm secure engagement with the adjustable bar before attaching any fixture. Do not exceed the box's listed fixture weight rating.

Technical Specifications

• Box Size: 4 inches x 4 inches
• Material: Steel
• Weight: 0.5 pounds
• Includes: Combo-head fixture and cover mounting screws
• Unit of Measure: Each

Standard Information

• Brand: SOUTHWIRE
• Manufacturer Part Number: 54151-HUR-UPC