Maretron Micro/Mid NMEA 2000 Powertap TeeYellow cable indicates power and can't be confused with gray network cables Two seperate 12VDC Power inputs (1 to each Connector) Female NMEA 2000 Connectors A Powertap Tee is connected to a network backbone just like any Tee but rather than connecting a device their purpose is to provide bus power. Maretron Powertap Tee uniquely provides two power inputs permitting doubled power provision for devices.