's NMEA 2000 Approved Tee Connectors offer connection between NMEA 2000 drop cables and backbone cables. The yellow couplers connect to the corresponding tees and backbone cables, creating a simplified, color coded network installation. The connectors are offered in four configurations for maximum installation flexibility. The two way and four way tee connectors allow for multiple drop cables to be connected without additional backbone cable. Features Color coded for easy installation and component identification NMEA 2000 Approved, 100 percent universal and compatible Specifications Weight: 0.2 lbs