RMG-4-MP In-Line Rubber Molded Connector - 4 Pin Male connector Applications: Male connector typically installed on helmets/masks and mates with a female connector on diver communications cable/umbilical. Underwater cameras, lighting systems and instrumentation. Specifications: Material: Special neoprene, molded Contacts: Copper alloy-gold plated per ASTM-B-488 Voltage Rating: 300 VDC Pressure Rating: Up to 20,000 PSI Cable: 18/4 AWG SJOOW Cable Length: 18 in.