Ancor NMEA 2000 Drop Cable 0.5 Meter. For connection between an NMEA 2000 device and tee connector. The black couplers connect to the corresponding Ancor tees creating a simplified, color coded network installation. The drop cables are smaller in diameter and more flexible than backbone cables for easy connection to NMEA 2000 devices. Super flexible 22 AWG power conductors for ease of installation and wire routing.