NMEA 2000 Power Isolator Ancor's NMEA 2000 Power Isolator can be used for isolating power between 2 independent NMEA 2000 networks. Reduce battery current draw by powering one bus off while the other remains operational, or can be used to assist with voltage drop issues on long networks. The yellow couplers connect to the corresponding Ancor backbone cables and tees creating a simplified, color coded network installation.Color coded for easy installation and component identificationCompatable with all NMEA 2000 micro devicesWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.