Best Electrical Floor Boxes for Concrete: Reliable, Easy Installations
Choosing the right floor box for a concrete floor involves considering durability, depth, and compatibility with power and data needs. This guide highlights five top options that balance sturdy construction with straightforward installation, designed to endure concrete environments while providing convenient access to outlets, USB ports, and network connections. Each pick includes a brief overview of features to help facility managers, contractors, and homeowners make informed decisions.
Summary of Selected Products:
| Product | Brand | Key Benefit | Why It Stands Out |
|---|---|---|---|
| Leviton 2-Gang Concrete Floor Box System | Leviton | High versatility with power and data options | Requires FBLEV-GY and floor plate for full setup |
| Non-Metallic Floor Box for Concrete Pour | Hubbell | Rigid PVC, deep pour compatibility | High capacity, corrosion-resistant |
| Arlington FLBC4580 Recessed Floor Box | ARLINGTON | Recessed, clean recess look | Brass/ nickel options, solid for new/concrete |
| Bryant Electric RF400 Residential Floor Box | Bryant Electric | Pre-assembled components for quick install | Designed for slab-on-grade with leveling |
| Creemrib Recessed Floor Outlet Kit | CREEMRIB | Double-door cover for aesthetics | USB ports plus duplex outlet; aluminum build |
Leviton 2-Gang Concrete Floor Box System
This 2-Gang PVC box provides a flexible solution for concrete floor installations. It is designed to work with additional accessories such as the FBLEV-GY and a Leviton finished floor plate, which are sold separately. The system is sized for a 6.25-inch height unit and is suitable for projects requiring both power and data convergence in a single floor box. Installation considerations include ensuring compatibility with surrounding floor materials and the required reducers for conduit transitions.
Non-Metallic Floor Box For Concrete Pour
Constructed from high-strength rigid non-corrosive PVC, this floor box is designed for concrete pours with a minimum depth of 3 inches and a generous 117 cubic inches of capacity. The PVC construction helps resist moisture intrusion, making it a solid choice for harsh environments where concrete is common. It balances durability with straightforward installation for both residential and commercial settings.
Arlington FLBC4580 Recessed Floor Box
ARLINGTON’s recessed option is designed for concrete floors, with a compact footprint that blends into the floor plane. It supports a range of finishes and can be installed in both new concrete pours and existing floors. The kit often includes a durable cover and a design that minimizes protrusion, keeping furniture placement unobstructed and reducing tripping risks.
Bryant Electric RF406BK Pre-assembled Flange
Pre-assembled flange, cover, and leveling ring provide a quick-install pathway for Bryant Electric floor boxes intended for concrete slabs. This option emphasizes ease of use with a ready-to-go setup, designed to minimize on-site adjustments. The system is compatible with 125V outlets and is geared toward efficient installations in slab-on-grade configurations.
Bryant Electric RF400 Floor Box (PVC Box)
This PVC box option complements concrete floor installations with an emphasis on slab-on-grade compatibility. It includes a recessed receptacle that minimizes plug protrusion, aiding furniture placement. A pre-assembled flange, cover, and leveling ring help streamline installation and ensure stable seating in concrete floors.
RACO 6299 Floor Box Cover Kit Nonmetallic
Designed for use with Hubbell-raco 5511 floor boxes, this gray cover kit helps keep debris out when receptacles aren’t in use. The duplex flaps close automatically to reduce trip hazards and protect the interior from dust and damage, making it a practical accessory for high-traffic spaces requiring robust floor boxes.
ARLINGTON FLBC4500 Concrete Floor Box
ARLINGTON’s FLBC4500 is tailored for concrete floors with a low voltage divider and mud cover. Constructed of durable plastic, this model suits new-construction installations where concrete boxes need a reliable, simple-to-manage solution. Its design emphasizes compatibility with concrete pours and straightforward integration into a broader electrical plan.
Creemrib Recessed Floor Outlet Kit
The Creemrib kit combines a recessed 2-gang floor outlet with a double-door cover plate, concealing outlets when not in use for a clean floor appearance. It includes a 15A duplex receptacle and three USB charging ports, delivering a balance of traditional power and modern USB connectivity. The aluminum alloy construction provides corrosion resistance and durability for concrete floors.
Buying Guide
Key purchase considerations for concrete floor boxes include depth and pour requirements, material durability, and compatibility with power and data needs. The following perspectives help buyers choose effectively:
- Concrete depth and pour compatibility: Select boxes that specify minimum pour depth and ensure the box will sit flush with or below floor level to avoid trip hazards.
- Material and durability: PVC and aluminum or brass options offer different levels of corrosion resistance, impact resistance, and longevity in concrete environments.
- Electrical needs: Determine whether you need just power, or power plus data/USB. Some boxes require adapters or additional accessories to support data lines or multiple outlets.
- Install efficiency: Pre-assembled components, leveling rings, and quick-install flanges save time and reduce on-site error, particularly in slab-on-grade installations.
- Aesthetics and finish: Consider covers and plates that blend with the surrounding floor and footwear traffic, while minimizing obstruction to furniture placement.
- Upgrade paths: Some systems require separate floor plates or reducers. Verify compatibility with existing boxes or future expansions to avoid partial upgrades.
- Maintenance and safety: Look for features like automatic debris protection, secure cover hardware, and durable seals to minimize maintenance.