Orbit
Orbit 4 in Octagon 1-1/2 in Deep 4O Octagon Steel Box 1/2 in and 3/4 in Mixed Knockouts 4RB-MKO
Orbit 4 in Octagon 1-1/2 in Deep 4O Octagon Steel Box 1/2 in and 3/4 in Mixed Knockouts 4RB-MKO
SKU:4RB-MKO
Couldn't load pickup availability
Product Overview
Orbit 4RB-MKO is a 4O Octagon Steel Box used for electrical box rough-in and replacement work. It includes 4 in octagon, 1-1/2 in, 1/2 in and 3/4 in mixed knockouts, 15.5 cu in for correct product selection.
Key Features
- 4 in octagon welded box
- 1-1/2 in depth
- 15.5 cu in
- 1/2 in and 3/4 in mixed knockouts
- fixture/luminaire support up to 50 lb or less
Technical Specifications
| Brand | Orbit |
| Model / SKU | 4RB-MKO |
| Product Type | 4O Octagon Steel Box |
| Shape | 4 in octagon |
| Depth | 1-1/2 in |
| Box Volume | 15.5 cu in |
| Dimensions | 4 in W x 4 in H x 1-1/2 in |
| Knockouts | 1/2 in and 3/4 in mixed knockouts |
| Finish | Galvanized |
| Material | 16 GA sheet steel |
| Manufacturing Process | Welded |
| Mounting Type | Octagon box rough-in mount |
| Location Rating | Dry location |
| Certifications | UL, RoHS; UL File E227970 |
| Manufacturer Part Number | 4RB-MKO |
Applications
- light fixture box installations
- commercial ceiling rough-in
- wall or ceiling junction box work
- fixture replacement projects
- new construction electrical rough-in
- contractor stock
Compatibility and Installation Notes
Confirm the model number, depth, knockout pattern, clamp type, bracket style, device opening, and local electrical code requirements before ordering Orbit 4RB-MKO. Installation should be completed by qualified electrical personnel with proper grounding, box-fill verification, and fixture or device support checks.
Why Buy From Best Buy Electric
Best Buy Electric lists Orbit 4RB-MKO with contractor-ready specifications, clear product data, and competitive pricing for service work, maintenance stock, and new construction purchasing.
Share
