The Raymarine SeaTalkNG Power Cable is used to connect a SeaTalkNG backbone to a 12V switched power supply. This provides power to the entire network and all attached devices. Only one power cable is used per network. When attached at the midpoint of a SeaTalkNG network, this cable powers each half of the network independently. 2m (6.6 ft.) long. Part#: A06049. Only one power cable used per network Powers each half of the network independently Cable is 2m (6.6 ft.) in length