Orbit CB-B 4" Octagonal Concrete Box Blank Cover
The Orbit CB-B 4" Octagonal Concrete Box Blank Cover is a flat, solid closure plate designed to cap and seal 4" octagonal concrete boxes used in underground and in-slab electrical installations. Sized for a standard 4" octagonal concrete ring, this blank cover provides a smooth, unbroken surface that protects the box interior from concrete intrusion, debris, and moisture during and after the pour. It is a straightforward, purpose-built accessory for electricians and contractors who need a dependable way to close out a concrete box location that does not require an immediate device, fixture, or conduit termination.
Key Features
- Trade Size: Engineered to fit a 4" octagonal concrete box, matching the standard concrete ring diameter for a proper, flush seat.
- Blank, Flat Design: A solid, uninterrupted cover plate with no knockouts or openings, ideal for sealing a box location that is not yet in service or does not require wiring access.
- Octagonal Configuration: Matches the octagonal profile of the companion concrete box/ring for a consistent, aligned fit at grade or slab level.
- Concrete-Compatible Build: Constructed to hold up to the demands of in-slab and underground concrete box applications, helping keep the enclosure clean and ready for future use.
- Simple Field Installation: Designed to seat directly onto the 4" octagonal concrete box for quick placement by electrical and concrete crews alike.
Technical Specifications
- Product Type: Concrete Box Blank Cover
- Size: 4" Octagonal
- Configuration: Blank/Flat, no knockouts
- Compatibility: 4" octagonal concrete ring/box
Typical Applications
- Underground and In-Slab Electrical Box Sealing
- Concrete Encased Junction and Box Locations
- Site and Slab Electrical Rough-In Protection
- Future-Use Box Closures Prior to Device Installation
- Commercial and Industrial Concrete Construction Sites
Why Orbit?
Orbit builds electrical enclosure accessories designed for precise fit and dependable performance on the job site. The CB-B Blank Cover is sized specifically to match the 4" octagonal concrete box, giving installers a reliable, purpose-fit solution for sealing and protecting concrete box locations during construction.
Manufacturer Resources
Product Specs
- list_batch:
- ORB-20260924
- Product Type:
- Concrete Box Blank Cover
- Configuration:
- Octagonal
- Department:
- Electrical
- Product Subgroup:
- Metallic Conduit
- Product Material:
- Concrete
- Product Size:
- 4"
- Pack size (unit):
- 100