The CAP-WACMTPB2 is a waterproof connector cap assembly designed to protect RJ and WP type connectors from environmental contamination. The cap is constructed from zinc alloy with nickel plating, paired with a silicone gasket (gray) and a copper alloy chain with nickel plating for secure attachment. It features a reference dimension of 41 mm and a connector opening diameter of Ø25.4 mm, achieving an IP67 waterproof rating for reliable sealing in harsh environments. The assembly includes a screw fastening mechanism with liquid glue application for enhanced durability. This cap is commonly used in outdoor telecommunications, industrial networking, and marine applications where connector protection and waterproofing are critical requirements.