Waterproof CAT5e RJ45 Feed-Thru Coupler, Case Side RJ45 pass-thru to female RJ45 jack for use with a standard Ethernet patch cord inside. Circular threaded coupling mounts case side to connect with cable side connector. Gasket seals provide IP67 rated water and dust protection. CAT5e cable with a 6mm-7mm O.D. is required for waterproofing. Requires RJ45-5EWTP-CB cable side gland for a waterproof connection