Finish flange and slide holder. Prewired 20A available duplex receptacle can be wired as a standard duplex receptacle or isolated ground. Flange available in painted gray (GY), black (BK), ivory (VY) or brushed metal finishes in aluminum (AL), and brass (BS). Slide covers match the painted flange colors: gray, black, and ivory. Aluminum and brass flanges shipped with black slide cover. Brass flange also available with nonmetallic brass colored slide holder (AB). Aluminum flange also available with nonmetallic aluminum colored slide holder (AA). Includes Wiremold Open System unloaded adapters to accept four discrete keystone connectors from most manufacturers. Unit also includes two Ortronics TracJack adapters and two Ortronics Series II adapters. Modular jacks sold separately. NOTE: Assembled with scrub water gasket. For use on tile or carpet floors. RC3 Series Poke-Thru Devices require a 4" (102mm) diameter hole. Not designed to work with bare concrete or terrazzo. Floor covering thickness 1/8" minimum. Black