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Middle Atlantic EFB45BTCBZTR Evolution Series Floor Box Surface Cover with Solid Lid

Overview

The Middle Atlantic EFB45BTCBZTR is a bronze-finish surface cover lid for the Evolution Series EFB45 raised floor box, designed for commercial and enterprise environments where floor-level power and data access points need a secure, finished appearance. At 9.94 inches wide and 1.19 inches tall, this low-profile cover sits flush against finished flooring without creating a trip hazard, making it appropriate for open-plan offices, conference rooms, and AV-integrated spaces where clean aesthetics and cable management matter. The tamper-resistant receptacle configuration adds a layer of access control suited to high-traffic or publicly accessible areas.

If you are specifying Middle Atlantic floor infrastructure for a new build or renovation, the EFB45BTCBZTR is the surface-mount lid variant — confirm your floor box base model is the EFB45 series before ordering, as lid compatibility is series-specific.

Key Features

• Bronze Finish (9.94 in x 1.19 in): The bronze color integrates with wood, stone, and neutral-tone flooring common in executive suites and corporate lobbies — reduces the visual footprint of floor infrastructure without requiring custom finishing.
• Surface Cover Style: The surface-mount lid profile keeps the cover sitting at or just above floor level. This is the correct choice when the floor box is installed in a raised-access or finished concrete floor where a flush-inset trim ring is not practical or specified.
• Tamper-Resistant Receptacles: TR outlets require simultaneous pressure on both slots to accept a plug, blocking foreign object insertion — a code-required feature in most commercial occupancies and a practical safeguard in any space accessible to non-technical staff or the public.
• Low 1.19-inch Profile: At just over an inch tall, this cover does not present a meaningful trip or ADA clearance issue in walkway zones. Verify with your local ADA/accessibility consultant for the specific installation context.
• Evolution Series Compatibility: Designed as part of the Middle Atlantic Evolution Series floor box system, this cover pairs with the EFB45 base for a matched, warranted assembly rather than a field-fabricated cover that may not seal or align correctly.
• TAA Compliance: Not Applicable: This SKU (EFB45BTCBZTR) is confirmed TAA non-compliant per manufacturer data — relevant if your project is federally funded or subject to GSA/TAA procurement requirements. Verify compliance status before specifying on government contracts.

Integration and Compatibility

The EFB45BTCBZTR cover is engineered for the Middle Atlantic EFB45 floor box platform. If you are integrating this into a broader AV and power distribution infrastructure, confirm the base floor box model and the receptacle module configuration before ordering the cover. The tamper-resistant receptacle type is compatible with standard TR-rated plugs and meets NEC requirements for commercial installations. For project specification support or volume pricing on Middle Atlantic floor box systems, pre-sales engineering is available.

Frequently Asked Questions

Q: Is the EFB45BTCBZTR TAA compliant?

A: No. The EFB45BTCBZTR is confirmed TAA non-compliant per manufacturer specifications. Do not specify this SKU on federal government or GSA-schedule projects with TAA requirements.

Q: What floor box base does the EFB45BTCBZTR cover fit?

A: The EFB45BTCBZTR is designed for the Middle Atlantic Evolution Series EFB45 raised floor box. Verify your base model before ordering — lid compatibility is series-specific and not universal across the Middle Atlantic floor box range.

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

A: Tamper-resistant (TR) receptacles require simultaneous pressure on both contact slots to accept a plug. This prevents foreign object insertion and is required by the NEC in most commercial and residential occupancies. It does not restrict normal plug use.

Q: What are the physical dimensions of the EFB45BTCBZTR?

A: The cover measures 9.94 inches (25.2 cm) wide and 1.19 inches (3 cm) tall in the surface cover configuration.

Q: Can the EFB45BTCBZTR be used in publicly accessible areas?

A: Yes. The tamper-resistant receptacle type and bronze surface cover are appropriate for lobbies, conference rooms, and other areas accessible to non-technical personnel. Confirm local code requirements for your specific occupancy type.

Jerry Tildsen

The EFB45BTCBZTR is a finish-and-function detail that gets overlooked in spec sheets but matters on the punch list — the 1.19-inch surface profile and bronze color are choices that need to be locked in before the flooring contractor finishes, not after. I've seen integrators order the wrong lid color or style late in a project and end up with a mismatch that requires a floor box pull. Get this specified at the same time as the base box.

Technical Highlights:

• Tamper-Resistant Receptacles: NEC-required in commercial occupancies; the TR configuration on this cover means you're code-compliant out of the box without sourcing a separate TR module.
• 9.94-inch Width: Sized for the EFB45 platform — this is not a universal fit. Verify the base box model matches before the cover ships to the job site.
• 1.19-inch Surface Height: Low enough for most walkway zones, but confirm with your project's accessibility review if the floor box is in a primary circulation path.

Deployment Considerations:

• Bronze finish works well on medium and dark hardwood or stone tile; it will read as mismatched on light maple or white polished concrete — order a finish sample or confirm the floor spec before committing.
• TAA non-compliant per manufacturer data — flag this early on any project with federal funding or GSA procurement requirements; substituting after award is a change order.

The EFB45BTCBZTR is the right call for corporate lobby buildouts and AV-integrated conference rooms where floor-level power access needs a finished, tamper-resistant appearance that holds up to daily foot traffic without standing out against the floor finish.