Wiremold 880MPFC Series Fire Classified Nonmetallic Rectangular Floor Box

Engineered for safety, reliability, and streamlined installation, the Wiremold 880MPFC Series Fire Classified Nonmetallic Rectangular Floor Box delivers a robust solution for power, data, and communication outlets installed in floors. This nonmetallic floor box is designed to resist impact, moisture, and heat while maintaining a slim profile that blends into commercial environments. With fire-rated construction and a complete accessory kit, the 880MPFC helps contractors meet code requirements without sacrificing ease of installation or versatility. Ideal for offices, retail spaces, and healthcare facilities, this floor box combines durable construction with flexible wiring options to keep floors clean, organized, and compliant.

Installing electrical outlets in floor spaces requires careful consideration of safety, accessibility, and future-proofing. The 880MPFC Series addresses these needs by offering a fire classified, nonmetallic enclosure that stands up to the rigors of busy commercial settings. The design emphasizes quick field configuration: the kit arrives with essential components that simplify wiring, reduce the number of separate parts you need to source, and support reliable performance over the life of the installation. Whether you’re running power to a workstation, conference room, or showroom floor, this floor box provides a trusted foundation for a safe and tidy interface between people and power/data connections.

• Fire Classified Nonmetallic Rectangular Floor Box designed to meet stringent safety standards while delivering dependable service in high-traffic areas.
• Includes reusable mudcap, insert spacer, conduit plugs, and reducers for flexible, fast field setup.
• Conduit reducers provided to accommodate 1", 3/4", and 1/2" (25mm, 19.1mm, 12.7mm) conduit for versatile wiring layouts.
• Minimum concrete depth of 3-1/2" (89mm) ensures stable installation in typical floor slabs and concrete pours.
• Efficient installation features support for routing power or data connections with clean, code-compliant finishes and reliable protection.

Technical Details of Wiremold 880MPFC Series Fire Classified Nonmetallic Rectangular Floor Box

• Construction: Fire Classified nonmetallic rectangular floor box designed for durability in commercial spaces.
• Includes: Reusable mudcap, insert spacer, conduit plugs and reducers for immediate use.
• Conduit reducers: 1" (25mm), 3/4" (19.1mm), 1/2" (12.7mm) reducers provided for flexible conduit sizes.
• Minimum concrete depth: 3-1/2" (89mm) required for proper installation.
• Intended use: Floor-embedded electrical outlets for power, data, and grounding connections in commercial environments.
• Fire rating: Classified to meet fire-safety requirements, helping contain heat and prevent spread through floor openings.
• Finish: Nonmetallic housing with corrosion resistance and durable performance in harsh floor conditions.
• Configuration: Rectangular footprint optimized for space efficiency and compatibility with floor finishes.
• Maintenance: Reusable mudcap and accessible conduit entries simplify future updates and serviceability.

How to Install Wiremold 880MPFC Series Fire Classified Nonmetallic Rectangular Floor Box

Proper installation is essential to maximize safety and functionality. This guide outlines a practical approach to placing and configuring the 880MPFC series floor box in concrete floors, including preparing the opening, using the included accessories, and sealing for long-lasting performance. Always follow local codes and manufacturer instructions for electrical installations.

• Plan the location in coordination with your floor design, ensuring access for power or data needs and compliance with local electrical codes.
• Mark and cut the opening to match the rectangular floor box footprint, taking care to keep edges clean and square for a flush installation.
• Verify the subfloor supports the required concrete depth; ensure a minimum of 3-1/2" (89mm) of concrete above the substrate to maintain structural integrity and fire-rated performance.
• Place the floor box into the opening, align with the surface, and verify levelness and flush seating to ensure a seamless finish with the floor surface.
• Install conduit using reducers for the appropriate size (1", 3/4", or 1/2") based on the wiring plan; route cables neatly and minimize bending radii to preserve conductor integrity.
• Seal and protect: insert the spacer as needed to seal unused openings and attach conduit plugs to prevent debris ingress during floor work; secure the assembly according to the manufacturer’s mounting instructions.
• Pour or restore concrete around the box, taking care to avoid disturbing the mudcap and spacer components; allow proper curing and then finish the floor to match surrounding textures and color.
• Test the completed installation to confirm accessibility of outlets and confirm that the lid or cover sits securely for a clean, finished look.

Frequently asked questions

• Q: What does “Fire Classified” mean for the 880MPFC floor box? A: It indicates the unit is designed to limit fire and smoke transmission through the opening in the floor, meeting safety standards for commercial installations.
• Q: Which conduit sizes are supported? A: Reducers are provided for 1", 3/4", and 1/2" conduit (25mm, 19.1mm, 12.7mm).
• Q: What comes with the floor box? A: The kit includes a reusable mudcap, insert spacer, conduit plugs, and reducers for flexible configuration.
• Q: What is the minimum concrete depth? A: 3-1/2" (89mm) is required for proper installation.
• Q: Is this suitable for power, data, and communication outlets? A: Yes; the rectangular floor box is designed to accommodate multiple service types in commercial environments.
• Q: Can this floor box be used in retrofit installations? A: Yes, with proper planning, it can be integrated into existing slab openings following code-compliant procedures and concrete restoration.
• Q: Does the 880MPFC support easy future upgrades? A: The included mudcap, spacer, and plugs streamline future reconfigurations or service changes without removing the entire box.