Originally Posted by tailchaserii
just use a standard RJ45 jack and a 568B data socket. easy to wire/crimp and nothing to worry about. you can put the RJ45 on the device side and then put a box or wall jack on the receiving end. they can hold 8 wires and will cost you less than $20US.
You could use a RJ45 plug on each cable and connect them with a coupler.
They are nowhere near waterproof or watertight. They are not designed for moist or corrosive environments such as a boat. This might be a solution for the interior of a trawler or boat with a cabin, but it's not the best plan regardless.