RMG-3-FS In-Line Rubber Molded Connector - 3 Socket Female RMG-3-FS In-Line Rubber Molded Connector - 3 Socket Female with 18/3 SOOW cable. This Marsh Marine style connector is inter-mateable between brands in this RMG-3 category. Applications: Underwater cameras, lighting systems and instrumentation. Specifications: Material: Special Neoprene, Molded Contacts: Copper Alloy-Gold Plated per ASTM-B-488 Voltage Rating: 600 VDC Pressure Rating: Up to 20,000 PSI Cable: 18/3 AWG SOOW