Multi-service assembled poke-through device. Unit includes four prewired 20 A receptacles. Each duplex receptacle is wired as separate circuit. The duplex can be wired as a standard receptacle or isolated ground. Includes Wiremold open system unloaded adapters to accept four discrete keystone connectors from most manufacturers. Unit also includes Ortronics TracJack mounting adapters and Ortronics series II communication housing. Modular jacks sold separately. NOTE: Assembled with scrub water gasket. For use on tile or carpet floors. RC4 series Poke-through devices require a 4 inch diameter hole. Not designed to work with bare concrete or terrazzo. Floor covering thickness 1/8 inch minimum.