Modular RJ45 connectors are waterproof

KEYSTONE series of waterproof connectors are suitable for 100Base-T (Fast Ethernet) applications. The RJ45 jacks and sockets are IP68 rated for underwater, dust and other harsh environments.  Manufactured for increased durability, devices can endure a minimum of 500 insertion cycles.  Rated for 125Vac RMS, devices are fully compliant with IEEE and IEC standards. A variety of styles are available to accommodate design applications with numerous mounting and port size options. http://www.emx.ca