Duplex Boat Cable is a type of multiconductor cable used in DC low-voltage AC applications as well as DC circuits. Pacer manufactures 16 AWG Duplex boat cable in house in Sarasota FL, USA for the best quality. First, the cable is made with finely stranded, Type III tinned copper conductors. These conductors allow for maximum flexibility and help to prevent corrosion. The PVC jacket helps 16 AWG Duplex Boat Cable with flexibility while serving to prevent moisture from accumulating. How does it do that? During the extrusion process, the voids between wires are filled. This leaves no room for moisture or air to build up.In the last step, a talcum powder coating is applied to the interior wires. This coating allows the outer jacket to be removed easily. This another reason 16 AWG Duplex boat cable is perfect for marine usage.This Duplex Boat Cable (EDMO# 162RYW1000) is 16 AWG, has red and yellow cables with a white jacket, and comes on a 1000 ft spool.