Flush Style Poke-Thru Devices are an excellent solution for bringingpower, communication, and A/V services to the workstation in anopen space, above-grade floor environment. All Wiremold FlushStyle Poke-Thru Devices come with built-in TopGuard™ protection,an industry-leading design that meets and exceeds UL scrubwater exclusion requirements for tile and carpet floors. Topguardprotection prevents water, dirt, or debris from entering not just thepower devices, but also the communication devices.All Wiremold Flush Style Poke-Thru Devices can be installed on tile, carpet, or wood covered floors. Each of these devices provides an excellent solution for both new or retrofit construction, with typical applications that include office buildings, airports, malls, shopping centers, libraries, and schools. Certifications: RoHS Compliant; NAFTA Compliant; cULus Listed - Features: Flange available painted in gray (GY), black (BK), ivory (VY), and brushed metal finishes in aluminum (AL) and brass (BS).; Aluminum and brass flanges shipped with black cover; Brass flange also available with brass colored cover assembly (AB); Aluminum flange also available with aluminum colored cover assembly (AA); Cover assembly also includes two openings for pass-through capability for one 4-pair Category 5e or Category 6 cable per opening; For use on tile or carpet floors; RC9 Series Poke-Thru Devices require a 3 1/16'' (78mm) diameter hole; Not designed to work with bare concrete or terrazzo; Floor covering thickness 1/8'' minimum