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Leviton 25249-TFN Nylon 1-Gang Tamper-Resistant Floor Box
The Leviton 25249-TFN is a nylon 1-gang tamper-resistant floor box engineered to provide a durable, code-compliant mounting solution for floor-installed electrical devices. Measuring 4.5-Inch x 3.75-Inch x 4.5-Inch, this compact floor box is molded from tough nylon material and configured for a single-gang device opening, making it well suited for commercial and residential floor outlet installations where a low-profile, impact-resistant enclosure is required. The tamper-resistant (TFN) design helps installers meet modern electrical code expectations for floor-mounted receptacles in occupied spaces such as offices, conference rooms, and open floor plans.
Key Features
- Compact Dimensions: Overall size of 4.5-Inch x 3.75-Inch x 4.5-Inch allows the box to fit within standard floor cavities and shallow slab installations.
- Durable Nylon Construction: Molded nylon housing resists impact, cracking, and corrosion for long-term performance in high-traffic floor locations.
- 1-Gang Configuration: Sized to accommodate a single device opening, keeping the footprint minimal while supporting standard floor outlet devices.
- Tamper-Resistant (TFN) Design: Built-in tamper-resistant features support code-driven safety requirements for floor-mounted electrical devices in commercial and residential spaces.
- Floor-Mount Application: Purpose-built as a floor box rather than a wall device, simplifying power and data access in open work areas.
Technical Specifications
- list_batch: LEV-20260730
- Overall Dimensions: 4.5-Inch x 3.75-Inch x 4.5-Inch
- Configuration: 1-Gang
- Material: Nylon
Typical Applications
- Commercial Floor Outlet Installations
- Open-Plan Offices and Conference Rooms
- Residential Floor-Mounted Receptacles
- Renovation and New Construction Flooring Projects
- Low-Profile Power Access in Occupied Spaces
Why Leviton?
Leviton floor boxes like the 25249-TFN are built from durable nylon and configured with tamper-resistant features to support safe, reliable floor-mounted power access. For electrical professionals specifying floor boxes for commercial or residential projects, the compact 1-gang nylon design offers a practical, code-conscious option for everyday installation needs.
Manufacturer Resources
Technical Information
Product Specs
- Product Type:
- Floor Box
- Product Material:
- Nylon
- Gang:
- 1
- Device Type:
- Tamper-Resistant
- Department:
- Electrical
- Product Group:
- Boxes & Enclosures
- Product Subgroup:
- Floor Boxes
Leviton 25249-TFN – Frequently Asked Questions
1) Will the Leviton 25249-TFN floor box fit a single standard receptacle?
Yes. The 25249-TFN is a 1-gang floor box, so it takes one standard single-gang device opening. If you need two devices at the same location, you'd need a 2-gang box instead, not this one.
2) What size floor cavity do I need for the Leviton 25249-TFN?
The box measures 4.5 x 3.75 x 4.5 inches overall, which is the footprint and depth you need to clear in the floor cavity or slab pour. Check your available depth below the finished floor before you cut.
3) What does the TFN tamper-resistant designation on the Leviton 25249 mean for a floor outlet?
The 25249-TFN is built with tamper-resistant features, which is what inspectors look for on floor-mounted receptacles in occupied spaces such as offices, conference rooms, and dwelling areas. That's the practical reason to pick the TFN version over a non-TR floor box on a job where TR receptacles are being enforced.
4) Is the Leviton 25249-TFN floor box metal or plastic?
It's molded nylon, not metal. Nylon holds up to impact and won't corrode, which matters in a floor location that gets walked on and mopped. If your job spec calls for a metallic floor box for bonding reasons, this isn't the one.
5) What's the difference between the Leviton 25249-TFN and the Pass & Seymour TM1542 floor box?
The main difference we can state is the housing material: the Leviton 25249-TFN is molded nylon, while the Pass & Seymour TM1542 Series floor box is PVC. Both are non-metallic floor boxes. If your spec names a material, that's the deciding line between them.
6) What is an alternative to the Leviton 25249-TFN floor box if the job calls for a PVC enclosure instead of nylon?
The Leviton 25249-TFN is a 1-gang floor box molded from nylon. If the specification calls for PVC, the Pass & Seymour TM1542 series floor box is a PVC-bodied floor box that covers the same floor-mounted device application. The choice comes down to the enclosure material named on the drawing: nylon for the 25249-TFN, PVC for the TM1542 series.
7) Does the Pass & Seymour TM1542 floor box give you the same tamper-resistant device configuration as the Leviton 25249-TFN?
The Leviton 25249-TFN is built as a tamper-resistant floor box, which is what the TFN suffix designates, and that is the reason it gets specified for floor receptacles in occupied offices and conference rooms. The Pass & Seymour TM1542 is a PVC floor box series. If the tamper-resistant floor device requirement is what you are answering on the submittal, the 25249-TFN is the part that carries it.
8) Can I use the Leviton 25249-TFN floor box in a residential room, or is it commercial only?
Both. It's used for commercial floor outlet installations in open-plan offices and conference rooms, and for residential floor-mounted receptacles in new construction and renovation flooring work.
9) Where can I get the spec sheet for the Leviton 25249-TFN floor box?
Leviton publishes technical information for the 25249-TFN, and the PDF is linked with the product record. Pull it if you need to hand submittal documentation to an inspector or GC.
How fast can I get the Leviton 25249-TFN delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Leviton 25249-TFN come with a warranty?
Absolutely. The Leviton 25249-TFN is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Leviton 25249-TFN?
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installation tips, and troubleshooting. Contact Us
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