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Middle Atlantic EFB45BTGYTR Evolution Series Flush Floor Box Cover with Solid Lid

The Middle Atlantic EFB45BTGYTR is a flush-mount solid-lid cover designed for the Evolution Series EFB45 raised floor box — the finishing piece that keeps your floor infrastructure protected, tamper-resistant, and visually clean when receptacles are not in active use. At 9.94 in wide and just 1.19 in tall, the EFB45BTGYTR sits nearly flush with the floor surface, eliminating trip hazards and maintaining a professional appearance in open-plan offices, boardrooms, and AV-integrated spaces.

Overview

Raised floor box installations live or die by their cover hardware. A poorly fitted or easily defeated cover invites accidental damage, unauthorized access, and costly service calls. The EFB45BTGYTR addresses this directly with a tamper-resistant receptacle interface and a flush cover style that integrates cleanly with commercial flooring. The gray finish coordinates with standard commercial carpet tile and hard flooring without drawing attention. This cover is purpose-built for the Middle Atlantic Evolution Series floor box ecosystem — it is not a universal fit, and selecting it requires confirming your installed box is the EFB45 platform.

Key Features

• Flush Cover Style (1.19 in profile): The cover sits at 1.19 in above finished floor level — low enough that it does not create a meaningful trip hazard in pedestrian-heavy environments like conference centers, trading floors, or open offices. Standard raised-profile covers can catch chair casters and feet; the flush design reduces that risk materially.
• 9.94 in Width: Sized to match the EFB45 floor box footprint at 25.2 cm (9.94 in) across. Confirm your rough-in box dimensions before ordering — a dimensional mismatch here means the cover will not seat correctly and the tamper-resistant mechanism will not engage as designed.
• Tamper-Resistant Receptacle Type: The tamper-resistant interface prevents unauthorized access to active receptacles within the floor box. In environments with public or semi-public foot traffic — lobbies, event spaces, open collaboration areas — this matters both for security and liability. Standard receptacle covers can be opened by anyone; tamper-resistant designs require deliberate tool or key engagement.
• Gray Finish: The neutral gray colorway blends with the majority of commercial carpet tile and polished concrete installations without requiring custom finishing. In high-end architectural spaces where flooring color is tightly specified, verify the gray tone against your flooring sample before committing to a large deployment.
• Solid Lid Design: The solid lid (as opposed to a gasketed or louvered variant) provides a clean, unbroken surface when the floor box is closed. This is the correct choice for installations where aesthetics matter and the box is only accessed intermittently — AV presentation setups, executive boardrooms, hotel ballrooms.
• TAA Compliance Status — Not Compliant: The EFB45BTGYTR is explicitly TAA non-compliant. If your project is a federal government installation, GSA Schedule procurement, or any contract that mandates Trade Agreements Act compliance, this cover does not qualify. Spec a TAA-compliant alternative before the project reaches the closeout phase — substituting after installation is disruptive.

Integration & Compatibility

The EFB45BTGYTR is designed specifically for the Evolution Series EFB45 raised floor box platform from Middle Atlantic. It is not a universal floor box cover. Before specifying this part, confirm the following: (1) the installed or specified floor box is the EFB45 model, (2) the receptacle module loaded into the box uses a tamper-resistant interface compatible with this cover, and (3) the finished floor height and box trim ring height are compatible with the 1.19 in flush profile. In AV and structured cabling deployments, floor boxes often carry a mix of power, data, and AV connectivity — the cover must be selected to match whatever receptacle configuration is loaded. The solid lid variant is appropriate when you want full concealment; if the application requires permanent receptacle access with a protective bezel, a different cover style within the Middle Atlantic floor box cover line may be the better fit. Consult the EFB45 platform documentation to confirm which cover SKUs are interchangeable within the series before ordering multiples for a large deployment.

Frequently Asked Questions

Q: Is the EFB45BTGYTR TAA compliant for government or GSA procurement?

A: No. The EFB45BTGYTR is explicitly TAA non-compliant per manufacturer specifications. It should not be specified on federal projects or contracts requiring Trade Agreements Act compliance.

Q: What floor box does the EFB45BTGYTR fit?

A: The EFB45BTGYTR is designed for the Middle Atlantic Evolution Series EFB45 raised floor box. It is not a universal cover — verify your installed box model before ordering.

Q: What does the tamper-resistant receptacle type mean for this cover?

A: The tamper-resistant receptacle interface prevents casual or unauthorized access to the receptacles inside the floor box. This is appropriate for environments with public foot traffic where open receptacle access poses a security or safety concern.

Q: What is the installed height of the EFB45BTGYTR above the finished floor?

A: The cover measures 1.19 in (3 cm) in height, providing a low-profile flush installation that minimizes trip hazard risk.

Q: What color is the EFB45BTGYTR and will it match standard commercial flooring?

A: The EFB45BTGYTR is gray. It coordinates with most commercial carpet tile and polished concrete flooring, but verify the specific gray tone against your flooring sample for high-specification architectural projects.

Q: Is the EFB45BTGYTR a solid lid or does it have openings?

A: It is a solid lid cover — no openings or louvers. This provides a clean, unbroken surface when the floor box is closed, appropriate for intermittent-access installations like AV presentation setups and boardrooms.