Best Recessed Floor Outlet for Concrete: Durable Solutions for Concrete Floors
Answering the need for a clean, low-profile power and data setup in concrete floors, these recessed floor outlets are designed for concrete installation and long-term reliability. The best picks here suit contractors installing new slabs, renovators finishing existing concrete, and property owners seeking a professional, tamper-resistant solution. Below, you’ll find five top options, each with a quick buyer note and why it shines for specific use cases. A quick summary table follows to aid quick comparisons.
| Product | Best For | Material/Finish | Notes |
|---|---|---|---|
| Arlington FLBC4580 Recessed Power and Data Round Floor Box | Existing or new concrete floors; brass finish | Brass | Economical kit; 15A Decora outlet |
| ARLINGTON FLBC4500 Concrete Floor Box | New concrete projects; mud cover | Plastic box | Low voltage divider; designed for new pours |
| Arlington FLBC4580 Recessed Power and Data Round Floor Box (Nickel) | Versatile rework for concrete; nickel finish | Nickel finish | Same economical kit with nickel cover option |
| Leviton 2-Gang Concrete Floor Box System | 2-gang power/data needs in concrete | Gray PVC box | Requires FBLEV-GY and a separate finish plate |
| Bryant Electric RF406BR Floor Box Kit | Slab-on-grade installations needing quick setup | Brass finish (pre-assembled flange) | Pre-assembled flange, cover, leveling ring |
Arlington FLBC4580 Recessed Power and Data Round Floor Box

This kit is designed for concrete floors and includes a 15-amp Decora-style power outlet. Best for existing or new concrete floor installations that favor a brass finish. The kit is marketed as an economical solution for a clean receptacle appearance once installed in a concrete floor box.
Best for: Projects needing a straightforward, cost-conscious recessed outlet with optional brass styling. Choose this if you want a simple, ready-to-install solution for concrete floors where a Decora outlet is preferred. Limitation: Supports concrete-only boxes; ensure your box accepts a 15A Decora configuration.
ARLINGTON FLBC4500 Concrete Floor Box

Designed for new concrete pours, this plastic box includes a mud cover and a low-voltage divider. It’s a practical option for builders starting a fresh concrete floor where a robust, low-profile box is needed. The plastic construction keeps the cost lower while delivering the necessary capacity for power distribution with data-ready pathways.
Best for: New construction projects where a lightweight, economical concrete floor box is preferred and a mud cover is desirable. Limitation: Requires additional accessories to complete a finished look in some installations and may not match all metal-brass aesthetic preferences.
Arlington FLBC4580 Recessed Power and Data Round Floor Box (Nickel)

This is the nickel version of the Arlington recessed round floor box, offering the same economical kit with a nickel cover option. It provides a 15-amp Decora-style outlet and is suitable for concrete-only installations. The nickel finish offers a modern, muted metallic look that blends with many floor designs.
Best for: Projects needing a nickel finish for aesthetic alignment with other fixtures. Limitations: Still designed for concrete boxes and requires compatible concrete floor boxes to fit properly.
Leviton 2-Gang Concrete Floor Box System, FBBOX-GY

Leviton’s 2-gang system is intended for concrete floors with a modular approach. It requires purchasing the FBLEV-GY unit and a separate finished floor plate. This option is best for users who want modularity and the ability to customize with power and data conduits.
Best for: Projects needing a 2-gang capacity with future customization options. Caution: Requires additional components (FBLEV-GY and plate) to complete installation and achieve the finished look.
Bryant Electric RF406BR Floor Box Kit

This Bryant kit includes a pre-assembled flange, cover, and leveling ring for quick installation in poured concrete. It’s designed for slab-on-grade installations and aims to simplify setup by providing a complete flange-and-cover solution with an integrated leveling system.
Best for: Quick-install projects where a pre-assembled flange and leveling ring reduce on-site work. Limitation: Floor box itself may need to be purchased separately; verify compatibility with your concrete box system.
Buying Guide
What to consider when choosing a recessed concrete floor outlet
- Concrete compatibility: Confirm the box is rated for concrete floors and whether it’s for existing or new pours.
- Finish and aesthetics: Brass, nickel, black, or gray finishes should align with surrounding fixtures and flooring.
- Electrical capacity: Ensure the outlet type (15A, Decora, data-friendly) matches your power and data needs.
- Installation workflow: Some boxes are pre-assembled or require mud covers, which affect install time and complexity.
- Module options: Decide between single-gang, 2-gang, or data-inclusive configurations based on space and future needs.
- Professional installation: Many listings recommend professional installation to meet electrical codes and safe wiring practices.
Quick comparison questions
- Do I need a pre-assembled flange or a modular box with separate plates? If you want speed, choose pre-assembled options like Bryant Electric.
- Is aesthetic matching important? Choose nickel or brass finishes to align with fixtures in the room.
- New slab or retrofit? For new pours, plastic floor boxes with mud covers can be convenient; for retrofit, round or square concrete floor boxes with proper knockouts work best.
- Power and data needs: If you require data pathways, ensure the selected box supports data conduits or has knockouts for data cables.
Maintenance and safety considerations
- Follow local electrical codes and use appropriate seals to protect against moisture and dust.
- Check that tamper-resistant or child-safe receptacles are used where needed.
- Ensure the finished floor plate fits snugly to avoid trip hazards.
FAQ
- Q: What is the typical use case for recessed floor outlets in concrete? A: They provide a clean, flush installation for power and data in concrete floors, ideal for offices, conference rooms, and living areas.
- Q: What finishes are commonly available for concrete floor boxes? A: Common finishes include brass, nickel, black, and gray to match architectural fixtures.
- Q: Can these boxes be installed in existing slabs? A: Some models are designed for existing or new concrete; check the product details for compatibility.
- Q: Do these kits include outlets and covers? A: Many include a 15A outlet and a cover, but some configurations require purchasing separate plates or boxes.
- Q: Is professional installation required? A: Professional installation is often recommended to ensure electrical code compliance and safe, reliable wiring.
- Q: Can I use these for data in addition to power? A: Several models offer data knockouts or rounds to accommodate data cabling; verify the exact configuration for your needs.