Best Concrete Floor Outlet Box Solutions for Modern Spaces
Finding the right concrete floor outlet box depends on your project type and safety needs. This guide highlights five reliable options, from rugged 2-gang setups to low-profile round boxes. Ideal buyers include contractors installing new floors, homeowners upgrading living spaces, and property managers seeking durable in-floor power and data access. The following sections compare each product’s core features, best-use cases, and a practical caution to help you decide.
| Product | Best For | Key Benefit |
|---|---|---|
| Leviton 2-Gang Concrete Floor Box System | New builds or major renovations | Dual gang for power and data with adaptable accessories |
| Arlington FLBC4580 Recessed Floor Box | Economical, round installs | Recessed design fits existing or new concrete floors |
| RACO 5511 Non-Metallic Floor Box | Pour-in concrete with large capacity | High capacity; rigid PVC construction |
| Recessed Power and Data Round Floor Box (Dremica) | Low-profile, flush mounting | Flush-to-floor with safety-focused features |
| ARLINGTON FLBC4500 | Concrete floor projects with mud cover | Low voltage divider and mud cover for neat installs |
Leviton 2-Gang Concrete Floor Box System
Product: Leviton 2-Gang Concrete Floor Box System, FBBOX-GY, Gray
- Features: Must purchase FBLEV-GY and a Leviton finished floor plate (each sold separately), 2-Gang PVC box with 6.25″ height, Power and Data Conduit Reducers
Best for: Builders or remodelers needing two-gang capacity with flexible finish options. The need to purchase additional components gives you customization for floor plate finishes and exact layouts. Caution: Some accessories are sold separately, so total cost may rise with add-ons.
Arlington FLBC4580 Recessed Floor Box
Product: Arlington FLBC4580 Recessed Power and Data Round Floor Box for Concrete Floors (Brass)
- Features: For concrete only; economical solution; chooses Brass or Nickel finishes; Includes 15 amp Decora Style Power Outlet
Best for: Projects prioritizing round, recessed aesthetics with a straightforward cabinet-like install. Limitation: Designed for concrete-only use, which may limit compatibility with other substrate types.
RACO 5511 Non-Metallic Floor Box For Concrete Pour
Product: RACO 5511 Non-Metallic Floor Box For Concrete Pour with 3/4 and 1 in. Hubs
- Features: High strength rigid non-corrosive PVC construction, 3 in. minimum pour depth, 117 cubic in. capacity
Best for: Projects needing a large internal capacity and a durable, PVC-based box. Caution: Non-metallic construction may be less robust in ultra-heavy traffic areas compared to metal alternatives.
Recessed Power and Data Round Floor Box (Dremica)
Product: Recessed Power and Data Round Floor Box, Flush Mounted Electric Floor Box with Low-Voltage Keystone
- Features: 20 Amp 125V receptacle, low-profile flush cover, rust-proof and waterproof metal cover, high-grade insulated thermoplastic body
Best for: Homes or offices seeking a clean, low-profile option with enhanced safety and easier cleaning. Limitation: Flush-mount design requires precise floor thickness for a perfect flush finish.
ARLINGTON FLBC4500 Concrete Floor Box
Product: ARLINGTON FLBC4500 Concrete Floor Box
- Features: Low voltage divider and mud cover, Made of plastic, For new concrete
Best for: Concrete floors in new builds where a simple divider and mud cover provide a neat, economical installation. Caution: Plastic construction may not offer the same long-term rigidity as metal alternatives in high-traffic zones.
Buying Guide
How to choose the right concrete floor outlet box?
- Installation environment: Choose metal versus non-metallic based on corrosion resistance and durability needs.
- Pour depth and floor thickness: Ensure the box depth matches your concrete pour to avoid flush or protruding covers.
- Electrical load and outlets: Assess whether you need a single receptacle, Decora outlets, or extra data/low-voltage access.
- Finish and compatibility: Consider finish options (Brass, Nickel) and whether the floor plate or mud cover is included or sold separately.
- Maintenance and safety: Look for rust-proof covers, waterproofing, and child-safety features if relevant to the space.
Frequently Asked Questions
- What is a concrete floor box used for? It provides in-floor electrical power and data access within a concrete floor, typically for rooms with hard flooring and table or equipment needs.
- Can I install a floor box in an existing concrete slab? Yes, many models are designed for both new pours and retrofits, but check the product’s installation requirements.
- What is the difference between metal and non-metal floor boxes? Metal boxes often offer higher durability and shielding; non-metallic boxes can be more economical and corrosion-resistant in certain environments.
- Do floor boxes require a dedicated conduit or power supply? Most installations require a power source and may use conduit reducers or adapters as specified by the product.
- Are round or rectangular floor boxes better? Round boxes suit circular layouts and simpler aesthetics; rectangular/2-gang boxes are better for multiple outlets or data needs.
- Is a flush mount safer for households with children or pets? Flush or low-profile designs reduce tripping hazards and exposed wiring, increasing safety.