Chicago Approved Poke-Thru Device – Prewired 20A duplex receptacle can be wired as standard duplex or isolated ground. Wiremold Open System unloaded inserts to accept two discrete keystone connectors from most manufacturers are provided. - Includes 2 Cat 6 TechChoice™ discrete keystone connectors.- Ortronics TracJack bezels. UL Listed for tile, carpet, and wood covered floors. Brushed Aluminum flange with black nonmetallic cover NOTE: For installations in the City of Chicago, install an EMT compression fitting (not supplied) to the conduit system and a junction box suitable for use in environmental air spaces, if required, (not supplied). Complete installation per NEC and local codes.