Orbit 4 in Octagon 1-1/2 in Deep 4O Octagon Steel Box NM Clamp 4RB-NM

Product Overview

The Orbit 4RB-NM is a welded 4 in octagon steel electrical box intended for rough-in and junction applications. It measures 4 in x 4 in x 1-1/2 in and provides 15.5 cu in of internal volume.

Constructed from 16 gauge galvanized sheet steel and supplied with an NM clamp, the 4RB-NM is listed to UL and identified with UL File E227970; it is intended for dry-location use.

Key Features

• 4 in octagon shape, 1-1/2 in depth
• 15.5 cubic inch internal volume
• 16 GA galvanized sheet steel, welded construction
• NM clamp included for nonmetallic cable entry
• UL listed (UL File E227970) and RoHS compliant

Function and Typical Uses

The Orbit 4RB-NM is suitable as an octagonal junction or fixture box for electrical rough-in and replacement work. It is commonly used for light fixture and general junction applications in residential and commercial settings.

• For light fixture and general junction applications
• Applicable to rough-in and fixture replacement scenarios

Dimensions and Internal Volume

This model has a 4 in octagon exterior footprint, 1-1/2 in depth, and an internal volume of 15.5 cu in. Use these values when performing box-fill calculations and verifying clearance for devices or fixture canopies.

• Exterior dimensions: 4 in W x 4 in H x 1-1/2 in
• Internal volume: 15.5 cu in

Material and Construction

The 4RB-NM is made from 16 gauge sheet steel with welded seams and a galvanized finish, intended for dry-location installations.

• Material: 16 GA sheet steel
• Finish: Galvanized
• Manufacturing: Welded construction

Mounting and Cable Entry

The box is configured for octagon rough-in mounting and includes an NM clamp for nonmetallic cable entry. Verify knockout pattern and clamp placement for your installation.

• Mounting type: Octagon box rough-in mount
• Clamp type: NM clamp included

Certifications and Location Rating

The product references a UL listing and RoHS compliance and is identified with UL File E227970. It is rated for dry-location use.

• Certifications: UL (UL File E227970), RoHS
• Location rating: Dry location

Before You Order

Confirm the model number and required quantity before ordering, and verify the box depth, clamp type and internal volume against your project and local electrical code requirements.

• Installation should be completed by qualified electrical personnel.
• Perform box-fill calculations and grounding checks prior to installation.

Ordering from Lumera Electric

Check the purchasing options shown on the Lumera Electric product page for Orbit 4 in Octagon 1-1/2 in Deep 4O Octagon Steel Box NM Clamp 4RB-NM. For project quantities or additional ordering requirements, use Request a Quote and provide the required quantity.