Resource RFB4E Series four Gang Floor Box is a versatile activation solution that provides power and/or communication services to open space areas or directly to the workstation. For use in above grade concrete floors, it is fully adjustable with a tunnel compartment. The RFB4E does not include any mounting plates. All device plates are sold separately. RFB4E Series Floor Boxes are now available with the new Evolution™ Activation Covers. This new cover series incorporates TopGuard protection to prevent water, dirt, and debris from entering the power and communication devices. The Evolution™ Activation Covers are UL Listed to U.S. and Canadian safety standards for tile, terrazzo, carpet, and wood floors. The RFB®E Series has many unique applications, some of which include schools, financial institutions, commercial office buildings, and residences. Certifications: cULus Listed; RoHS Compliant - Features: Accepts Evolution Series Poke-Thru Covers: floor boxes accept 6CTC, 6CT and 6CFFTC Series Covers.; Fits within a deep concrete pour: RFB4E floor boxes fit within 4 1/16'' deep concrete pour and RFB6E fits within a 4'' deep concrete pour.; Recessed devices: RFB4E floor boxes have four to six compartments that accept power, communications, or audio/video applications.; 2'' trade size KOs: RFB4E floor boxes have 2'' trade size knockouts.; On-Grade and above-grade floor box applications.; Floor box installs in polished concrete and terrazzo floors: (RFB4E-CTR sold separately.); Accepts 2'' trade size conduit hub (2HUB): RFB4E floor boxes allow a 2'' trade size conduit to attach to the side of box while minimizing concrete pours.; Accepts 6'' Evolution Series Furniture Feed Covers: The RFB4E floor box accepts 6'' Evolution Series Furniture Feed covers, providing more flexibility and aesthetic options.