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880MPFC Series Fire Classified Nonmetallic Rectangular Floor Box

880MPFC Wiremold
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Legrand® takes Resource RFB® Series Floor Boxes to the next level with the introduction of four recessed style floor box models that meet or exceed UL Fire Classification requirements. Available in 2-gang and 4-gang versions. These floor boxes preserve the two-hour and three-hour fire rating of floors in which they have been installed and are a favored industry solution for getting power, communication, and audio video services into open spaces. These new boxes also accept existing cover plate and service fitting offerings. When properly installed, Fire Classified Floor Boxes save time and money for general contractors and installers by eliminating the need for spraying to fireproof floors. They also eliminate the guesswork for inspectors and provide reassurance for building owners and property managers by meeting or exceeding the UL Fire Classification Standards for Floor Boxes.
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Features

  • Fire Classified Nonmetallic Rectangular Floor Box. Box comes complete with reusable mudcap, insert spacer, conduit plugs and reducers. Reducers provided for reduction to 1'', 3/4'', and 1/2'' (25mm, 19.1mm, and 12.7mm) conduit.
  • Minimum concrete depth is 3 1/2'' (89mm) and maximum concrete depth is 6'' (152mm). Minimum capacity is 50 cu. in. (819ml) and maximum capacity is 100 cu. in. (1639ml). Box dimensions are 4 1/8'' W x 5 1/2'' L x 6'' (105mm x 140mm x 152mm).
  • NOTE: Insert spacer should not be removed until after concrete pour. This is a single-gang offering. Cannot gang boxes together and maintain Fire Classification.
  • Floor box spacing 2' on center, no more than 1 per 65 s.f. span. Maximum Copper Cross Section per Insert: Four (4) #12 AWG Type THHN Power Conductor or 48 #23 AWG (6 Cat. 6) Tele Data conductors.
  • Box preserves the 2-hour fire rating of the floor in which it has been installed.

Specifications

General Info
Product Type Floor Box
Material PVC
Application Sector Commercial
Product Family / Series / Group 880MP Series
Product Line Wiremold
Country Of Origin United States
Construction Assembled
Number of Knockouts 2
Warranty Type 1-Year from Installation or 2-Years from Day of Sale
Standard cULus Listed Metallic Outlet Boxes: File E2961 Guide QCIT Meets Article 314.27(C) of NEC.
UPC Number 786564072119
Dimensions
Product Weight US 5.1 lb
Cubic Capacity 50 in³
Knockout Size 1/2 in, 1-1/2 in
Listing Agencies / 3rd Party Agencies
cULus ListingNumber  E110748
cULus Listed  Yes
Additional Information
RoHS Compliant Yes This product meets the material restrictions of Article 4 of the RoHS Directive (2011/65/EU), including Commission Delegated Directive 2015/863.
Technical Information
Box Type Fire Classified
Cable Entry Conduit
Box Capacity 1 Gang
Service Capacity Single
Fire Rating 2 hr
Floor Type Carpet, Concrete, Tile
Depth Behind Device Plates 1.75 in
Minimum Floor Depth 3.5 in

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Questions & Answers

will this floor box accept an EMT conduit/elbow?

Asked by: EE
Hello, This box comes with (2) 1" PVC conduits. EMT conduit can be used with the appropriate connector transition fittings. Thank you
Answered by: Wiremold Tech Support
Date published: 2023-10-27
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