Use the Etherbus EB-RJF industrial Ethernet connectors and plugs to make ultra-rugged and reliable connections indoors or outdoors that are water, corrosion and vibration proof. The EB-RJF-BLKHD industrial bulkhead (through-wall) connector gives you a watertight pass-through Ethernet connection. The mating EBRJF-PLUG industrial Ethernet plug is field installable around a standard RJ45 Ethernet connector. The 1/4-turn reverse-bayonet latching system is quick and easy.