25 foot backbone/drop/extension cable. Use for connecting sensors or displays to an NMEA 2000 network, or to extend the N2K backbone cable. NMEA 2000 Certified, 100 percent universal and compatible with other manufacturers' products. Black Cable (22AWG/2C and 24AWG/2C) shielded to reduce interference. The cable is terminated with NMEA 2000 5-pin connectors made with gold-plated contacts for corrosion resistance. Waterproof Test (IP67): Submersion in water, 1 meter for 24 hours. This 25 foot, backbone/drop/extension cable is designed to connect sensors or displays to an NMEA 2000 network, or to extend the N2K backbone cable. The cable is terminated with NMEA 2000 5-pin connectors on both ends, with gold-plated contacts for corrosion resistance. The cable is black and is shielded to reduce interference.