Best Raised Floor Electrical Boxes for Safe, Flexible Floor Wiring
Raised floor electrical boxes provide a clean, secure way to run power and data in modular spaces, data centers, or offices with raised access floors. This guide highlights five reliable options, covering installation ease, durability, and protection from dust and tampering. Each product includes a direct link to Amazon, a concise feature snapshot, and practical considerations to help you choose the right box for your space and needs.
| Product | Brand | Key Feature |
|---|---|---|
| In-floor Electrical Box with Cover – Large | Access Floor Systems | Two duplex outlets, two RJ45 plates, carpet insert |
| Compact Electrical Box with Cover | AccessFloorSystems.com | Easy install, heavy duty, UL listed |
| Enerlites 5” x 2.8” Floor Box Kit (Brass) | ENERLITES | Tamper-weather resistant, 20A duplex |
| Arlington Retrofit Floor Box with Flip Lids (Black) | ARLINGTON | Flush-to-floor installation, includes NM94 connector |
| EliteCoreAudio Recessed Floor Box | Elite Core | 4 XLR plus 1 duplex, hinged door |
Access Floor Systems In-floor Electrical Box with Cover – Large
The Access Floor Systems in-floor box is designed for computer room raised floors, featuring a steel box with a cover that accommodates a carpet insert. It includes plates for two standard duplex outlets, two double RJ45 plates, and one grommeted plate. Note that the steel box is not UL listed for general use; it is intended for computer room raised floor environments, which can influence where and how it should be installed.
Access Floor Systems Compact Electrical Box with Cover
This compact square steel box is designed for computer floor use. It has a standard cut-out with a required 5.25″ x 6.5″ opening. While compact, it does not carry general UL listing for all uses, limiting its application to raised-floor environments where its acceptance is specified by the project. The included cover helps protect the opening and keep debris out.
Enerlites 975506-C Brass Floor Box Kit
This 5” x 2.8” 1-Gang floor box kit includes a 20A tamper-weather resistant duplex receptacle and a brass, corrosion-resistant assembly with a watertight gasket. It’s suitable for raised floors in both commercial and residential settings and supports wood, tile, carpet, granite, or marble floor coverings. Screw covers help protect outlets from dirt and tampering, making it a practical choice for environments where security and durability matter. It is not intended for concrete slabs.
Enerlites 975549-S Nickel Plated Floor Box Kit
This nickel-plated brass two-gang floor box assembly includes a 20A tamper-resistant duplex receptacle and a nickel finish. Designed for raised floors and subfloors, it mounts flush with the surface for a clean look. The kit provides multiple knockouts for wiring and a durable cover, making it suitable for versatile room configurations where a neat finish is essential. Not intended for direct concrete slab installations.
EliteCoreAudio FB4+AC Recessed Floor Box
The EliteCoreAudio recessed floor box features four XLR connections and one duplex AC connection. Built with heavy-duty steel, it includes a hinged door with cable grooves to manage cables neatly. This configuration supports audiovisual setups or production environments that require multiple audio connections plus power in a single floor box. It is designed for recessed installation in raised floors, reducing trip hazards and keeping cords organized.
Arlington Retrofit Floor Box with Flip Lids (Black)
This 20.0 cubic inch box is designed for existing floors and installs flush-to-floor. It includes NM94 connector, a duplex receptacle, back plate, gasketed cover, and five #6-32 screws for secure mounting. The flip-lid design helps protect the outlet from dust and debris when not in use, making it a practical retrofit option for spaces undergoing updates without significant remodeling.
Arlington Retrofit Floor Box with Flip Lids (Brown)
Similar to the black version, this brown retrofit floor box provides a flush-to-floor install with a flip-lid that keeps the outlet protected when not in use. It includes a duplex receptacle, NM94 connector, back plate, gasketed cover, and screws. It’s a versatile option for existing spaces where color matching to flooring or cabinetry is desired while preserving easy access to power in shared areas.
Enerlites 975506-SS Stainless Floor Box Kit
This stainless steel kit provides a weather-resistant, tamper-resistant duplex receptacle and 5” x 2.8” footprint for raised floors. The stainless finish is ideal for high-traffic or moisture-prone areas where corrosion resistance and a sleek appearance matter. It is not designed for concrete slabs and is best used in wood, tile, carpet, or granite installations with proper subfloor support.
Buying Guide: Key Considerations for Raised Floor Electrical Boxes
- Application and UL Listing: Determine whether the box is UL-listed for general use or restricted to computer room or raised-floor environments. This affects where the product can be installed per code.
- Floor Type Compatibility: Choose a box that supports your floor finish (wood, tile, carpet, granite) and avoid concrete slab installations unless explicitly designed for them.
- Ingress Protection: Look for watertight or gasketed designs when moisture exposure is a concern, especially in commercial or multi-use spaces.
- Number of Outlets and Ports: Consider future needs—some boxes offer multiple duplex receptacles, USB, or data RJ45 plates. Plan for power, data, and audio/video as required.
- Security and Tamper Resistance: Tamper-resistant outlets and sealed covers help prevent tampering and keep debris out in shared environments.
- Ease of Installation: Retrofit options with flip lids or simple back plates reduce installation time and disruption, particularly in existing spaces.
- Finish and Aesthetics: Choose finishes (black, brown, brass, stainless) that blend with flooring and decor for a professional look.
- Maintenance and Access: Consider how easy it is to access wiring for upgrades or repairs, especially in raised floors with limited clearance.
- Compatibility with Accessories: Verify included plates, grommets, and knockouts; some kits include extra plate options for future expansion.
- Warranty and Support: Check manufacturer warranties and availability of replacement parts for long-term reliability.