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Ratchet-Pro Round Dual Service Nonmetallic Concrete Floor Box

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Wiremold Ratchet-Pro Series Floor Box provides single- and dual-service capability in a variety of easy-to-install round floor boxes. These designs allow the flexibility for providing power, A/V or communication services to open-space areas in an aesthetic solution. Applications include malls, shopping centers, department stores, airports, hospitals, and office buildings. Ratchet-Pro Series Floor Boxes are cULus Listed for use in both on grade and above grade concrete construction. Floor box has two 1 1/4'' trade size conduit hubs for power and two 2'' trade size conduit hubs for communications and audio/video services. Box Includes: (1) Reusable concrete cap, (1) Reducing ring for the 2'' hubs that can be reduced down to 1 1/2 Trade size, and 1 1/4'' trade size openings. (1) Reducing ring for the 1 1/4'' hubs that allow to be reduced to 1'' trade size opening or 3/4'' trade size opening.
Color Black
Material Plastic
  • Plastic
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  • Ratchet adjusting ring. Allows for quick and easy installation without gluing, as well as removal of cover to activate at a future date for dual service*. 10° of flexible adjustment allows cover to conform to the surface of the concrete pour, which significantly reduces labor costs.
  • Parallel conduit hubs. Allows for conduit feeds to be parallel for both power and communication cables. Reduces labor and material costs by eliminating the need for 90° bends and allows for easier wire pulling for dual-service.
  • Individual conduit reducers & plugs. Reduction in labor savings by providing a direct reduction to support smaller conduit feeds.
  • Multiple size conduit feeds. Conduit feed ranging from 3/4'' trade size to 2'' trade size openings to allow for more flexibility and capacity.
  • Streamlined design of divider. Labor savings from ease of cutting using a utility knife, no hacksaw or tape measure needed. Also allows for more room to splice wires.
  • “Dead-Front” protection with the RP Series Covers. Slide covers snap back into place when receptacle is not in use to prevent dirt and debris from entering device.
  • This product meets the material restrictions of RoHS.


General Info
Product Line Wiremold
Color Black
UPC Number 786564081739
Country Of Origin United States
Construction Assembled
Application Sector Commercial
Standard cULus Listed Nonmetallic Outlet Boxes: File E110748 Guide QCMZ.
Type Floor Box
Product Width US 8.0 in
Product Weight US 3.48 lb
Product Volume US 318.76 cu in
Product Depth US 6.13 in
Product Height US 6.5 in
Cubic Capacity 120 cu in
Additional Information
RoHS Conformant Yes This product meets the material restrictions of Article 4 of the RoHS Directive (2011/65/EU), including Commission Delegated Directive 2015/863.
Listing Agencies / 3rd Party Agencies
cULus ListingNumber  E110748
cULus Listed  Yes
Buy American Act Compliance
Technical Information
Number of Outlets 0


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Questions & Answers

Is there a cover that has an option for a USB charging port with this box?

Asked by: Landon
Hello Landon, This particular box does not allow for a USB charging port. However, please reach out to us direct to discuss an alternate solution. We can be reached at 1-844-957-3783. Thank you,
Answered by: Wiremold Tech Support
Date published: 2023-09-20

What is the difference between the RPNFB and the 881? As well as the difference between 881CTCBK vs. RPAV3CTCBK?

Asked by: kyle
Hello Kyle, The outside diameter of the RPNFB measures 5.68" and the 881 is 4-1/2". 881CTCBK fits the 881 box and has (1) proprietary 20A duplex centered on the cover. Either side of the duplex has provisions for up to (2) jacks (4 jacks total per cover). Overall flange diameter is 7-1/2". RPAV3CTCBK fits the RPNFB box and has (1) 20A duplex offset to one side of the cover. Off to one side of the duplex are provisions for up to (4) jacks total. Overall flange diameter is 8-1/4". Thank you!
Answered by: Wiremold Tech Support
Date published: 2023-05-05

how many duplex receptacles can be used in this box? why dont you have any links to building a product number out of this? I need a floor box with (3) duplex outlets on (3) separate circuits. Can this box do that?

Asked by: mark kuhlman
Hello, The RPNFB can accommodate two duplex receptacles at the most using the RP4 series cover. Below is a link to the cutsheet with the available covers in the series. https://legrand.webdamdb.com/directdownload.php?ti=55661113&tok=KB/vk0Ja51oQ5M/ycEmhQARR We also have the Modulink 880MP2 series floor boxes which are gang-able up to 3 gangs which would work for the duplexes required. Here is a link to the cutsheet. https://legrand.webdamdb.com/directdownload.php?ti=55656443&tok=0mvsPZSSqCuXtQ86TJRjQQRR Thank you
Answered by: Wiremold Tech Support
Date published: 2022-11-07
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