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Middle Atlantic EFB45CTBZ EVO Series Flush Floor Box Cover Insert

Overview

The Middle Atlantic EFB45CTBZ is a flush-style cover insert for the EFB45 Evolution Series raised floor box, designed for AV, security, and structured cabling installations where a clean, low-profile floor finish matters. At 9.94 inches wide and just 1.19 inches tall, the EFB45CTBZ sits nearly level with the surrounding floor surface — eliminating the trip hazard and visual intrusion of a raised cover while keeping your floor receptacles accessible. The bronze finish integrates naturally into corporate, hospitality, and conference environments where tile or hardwood floors demand hardware that doesn't stand out. If you're specifying Middle Atlantic floor infrastructure for a boardroom, TOC, or open-plan security operations center, this cover is the finishing piece that completes the floor box assembly.

Key Features

• Flush Cover Style: The flush profile keeps the insert at or near floor level — critical in high-traffic areas like conference rooms and command centers where a raised cover edge becomes a liability claim waiting to happen. Most raised-floor accessories sit proud of the surface; this one doesn't.
• 9.94-Inch Width: Sized to match the EFB45 footprint precisely. Attempting to fit a non-matched cover on a raised floor box almost always results in gaps, rocking, or exposed wiring — this insert is dimensioned for the EFB45 family specifically.
• 1.19-Inch Height Profile: At just over an inch tall, the assembly clears standard raised-floor panels without creating interference with adjacent tiles or underfloor cable management. Tight tolerances matter in dense underfloor environments.
• Bronze Color Finish: The BZ designation in the part number indicates the bronze finish — a deliberate aesthetic choice for installations where brushed nickel or black would conflict with the surrounding decor. Match the finish to your floor hardware spec sheet before ordering; Middle Atlantic typically offers the same cover in multiple finishes.
• Standard Receptacle Type: Accepts standard receptacle modules, giving you flexibility to configure the floor box for power, data, HDMI, or combinations thereof depending on the modules you populate. The cover itself is module-agnostic — what goes in it is your call.
• Pairs with Middle Atlantic EVO Floor Box Ecosystem: The EFB45CTBZ is part of Middle Atlantic's EVO floor box line, designed to work within a consistent cable management and infrastructure ecosystem. Mixing covers from different families risks fit issues and mismatched finishes across a single installation.

Integration & Compatibility

The EFB45CTBZ is engineered as a cover insert for the Middle Atlantic EFB45 Evolution Series raised floor box. It is not a standalone product — it requires the corresponding EFB45 floor box body for installation. Before specifying this cover, confirm your floor box model number matches the EFB45 designation. The standard receptacle type means it accepts commonly available modules, but module compatibility should be verified against the full EFB45 system specification. This cover does not carry a TAA compliance designation, which is worth noting for federal procurement or government facility projects where TAA-compliant components are mandated throughout the bill of materials. For those deployments, verify the full floor box assembly's compliance status before inclusion in the spec. Integrators working on AV and security infrastructure projects will find this cover straightforward to specify — it's a finish-and-fit component, not an electronics assembly, so installation is mechanical and does not require configuration.

Frequently Asked Questions

Q: What floor box body does the EFB45CTBZ cover insert fit?

A: The EFB45CTBZ is designed for the Middle Atlantic EFB45 Evolution Series raised floor box. It is not a universal cover — confirm your floor box model is in the EFB45 family before ordering.

Q: Is the EFB45CTBZ TAA compliant?

A: No. The EFB45CTBZ is not TAA compliant. Federal or government projects requiring TAA-compliant components throughout the installation should verify the full assembly's compliance status before specifying this cover.

Q: What does the 'BZ' in EFB45CTBZ mean?

A: BZ indicates the bronze color finish. If your installation requires a different finish, check Middle Atlantic's EFB45 cover lineup for alternate color options — the same cover style is typically available in multiple finishes.

Q: What receptacle modules are compatible with the EFB45CTBZ?

A: The EFB45CTBZ supports standard receptacle types, meaning it accepts commonly available modules for power, data, and AV connections. Verify specific module compatibility against the full Middle Atlantic EFB45 system documentation before building your module loadout.

Q: What are the dimensions of the EFB45CTBZ?

A: The EFB45CTBZ measures 9.94 inches (25.2 cm) wide and 1.19 inches (3 cm) in height, with a flush cover style designed to sit level with or just above the surrounding floor surface.

Eden Phillips

The EFB45CTBZ is the detail that separates a finished installation from a rough one. At 1.19 inches tall with a flush cover profile, this insert sits nearly co-planar with the floor surface — and in a boardroom or command center environment, that half-inch difference between flush and raised is exactly the gap between a clean spec and a facilities complaint.

Technical Highlights:

• Flush Profile (1.19 in / 3 cm height): Keeps the cover at floor level, reducing trip hazard exposure and satisfying ADA and facility management requirements that raised covers often fail informally.
• 9.94-Inch Width: Dimensioned specifically for the EFB45 body — not a generic cover. The tight dimensional match prevents the rocking and gap issues that show up when integrators substitute covers across product families.
• Bronze (BZ) Finish: Finish-matched to the installation spec, not just the function. In hospitality or executive environments, mismatched floor hardware finishes get flagged at punch-list — specifying BZ upfront avoids a return trip.

Deployment Considerations:

• This cover requires the EFB45 floor box body — it is not sold as a standalone functional unit. Confirm the base model before including this in your bill of materials.
• TAA compliance is not supported on the EFB45CTBZ; if the project has a blanket TAA requirement across all installed hardware, this needs to be flagged during the design phase, not at closeout.

Best fit for corporate AV buildouts, security operations centers, and conference room renovations on raised-floor systems where finish consistency and a flush floor profile are non-negotiable deliverables in the project spec.