Prewired 20A duplex receptacle can be wired as standard duplex or isolated ground. Flanges available painted in gray (GY), black (BK), ivory (VY). Flanges also available in plated brushed brass (BS) and brushed aluminum (AL). Slide covers match the painted flange colors, gray, black, 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 color slide holder (AA). Includes Wiremold Open System unloaded inserts. NOTE: Includes two Cat 6 TechChoice discrete keystone connectors, two Ortronics TracJack adapters, and two Wiremold Open System adapters. RC7 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. RC7 Assembled Unit-Aluminum Finish Flange Black Slide Holder, 20A Duplex Standard or IG and Cat 6 Connectors