NMEA 2000 T-Connector - 1-Way Extension BlockAs the NMEA 2000 network expands beyond the 3-device limit of Digital Yacht's NMEA 2000 Starter Kit, users can use one of these single T-pieces to add devices. With male > female > female connectors, multiple T-pieces can be plugged together or added to the 4-way T-piece included in the starter kit. The lower "drop cable" connector is female so that there are no exposed pins when the drop cable is removed.*Digital Yacht can supply NMEA 2000 cables and connectors to expand the NMEA 2000 to whatever size is needed (up to the maximum 50 NMEA 2000 device limit).Features:NMEA 2000 Single T-PieceStandard "Micro C" connectors make it very easy for future network expansionMetal connectors improve reliabilityWaterproof rating of IP68