FSR introduces a new line of Raised Access FloorBoxes designed for flexibility, durability and style.To safely handle the rigors of a floor environment,the RFL Series is constructed of all steel, including the carpet rim.FeaturesA beveled steel carpet rim14 gauge steel constructionCover thickness 3-16''Standard electrical plate openings on all modelsSuperior mounting clamp design to handle a wide variety of floor thicknessesListed by UL to meet US and Canadian safety standardsLarge multi-compartment boxes for power, audio,video, data and more!Multiple knockouts in a variety of sizesRFL Series Raised Access Floor Box - ClaySpecificationsTally In: D-sub 25-pin (female) Shared with REMOTE IN4 inputs x 2 colors (red or green color frame display)TTL negative logic level signal or make-contact input