B520p-upc Ceiling Box, 4 In. Dia. X 2-1/4 In. Deep, Polycarbonate

The Carlon B520P-UPC is a new-work ceiling box designed for mounting light fixtures and junction boxes in electrical installations. This polycarbonate box features captive nails and a pre-attached grounding lug with screw for streamlined installation. The 4-inch round form factor blends seamlessly into ceiling installations while the blue polycarbonate construction provides both durability and a clean aesthetic.

This ceiling box is engineered to support lighting fixtures securely while meeting electrical code requirements. It is not rated for use with ceiling fans or other heavy rotating fixtures. The integral clamps and fixture spacing are designed to accommodate standard mounting requirements, making it suitable for new-work installations where reliable fixture support is essential.

Features and Benefits

• Captive Nails: Pre-installed nails are included for mounting to ceiling joists.
• Grounding Lug and Screw: The attached grounding lug with screw is pre-installed for electrical grounding.
• Six Integral Clamps: Multiple clamps provide secure retention of fixture wiring and support within the box.
• Fixture Support Rating: Listed for fixture support up to 50 pounds, suitable for most standard ceiling light fixtures and junction box applications.
• Code Compliance: UL listed and meets NEMA OS-2 standards, ensuring compliance with electrical codes and building requirements.

Specifications

• Brand: Carlon
• Model: B520P-UPC
• Material: Polycarbonate
• Color: Blue
• Diameter: 4 inches
• Depth: 2-1/4 inches
• Capacity: 20 cubic inches
• Wire Size Range: 3/0 - 4/0
• Number of Integral Clamps: 6
• Fixture Spacing: 2-3/4 inches to 3-1/2 inches
• Fixture Support Rating: Up to 50 pounds
• Certification: UL listed; meets NEMA OS-2

Safety

• Not for Ceiling Fans: This box is rated for light fixtures and junction boxes only and should never be used to support ceiling fans or other heavy rotating equipment.

Descriptions are AI-generated. For accurate measurements, please call the store to confirm.