IP67 waterproof cap with chain - for 741C bulkhead connector
There are those installs where your Ethernet connections will need ruggedized protection due to exposure to water, dust, corrosion, harsh elements, and vibration. An easy and simple solution is Platinum Tools Waterproof RJ45 Coupler System rated to meet those harsh environmental conditions commonly found in outdoor and indoor installs.

Features:
IP67 Waterproof and Dustproof
Easy and quick to install
Shock and vibration resistant
Works with RJ45 (8P8C) connectors
For UTP and STP applications
Screw mating system assures secure connection