DataComm TM Electronics new HDMI decor and keystone inserts are compatible with 1.4 HDMI cords and are designed to securely attach a HDMI cable to the front and back of each plate.DCM204501WH. 204501WH. Datacomm Electronics DATACOMM ELECTRONICS 20-4501-WH Decor Wall Plate Insert with 90 HDMI (TM) Connector.