I came across these waterproof fittings and just maybe they will interest someone trying to route solar panel wiring into their trailer. They seem expensive, but then again, they are another alternative.
First Post on Purchase of Trailer: http://www.tnttt.com/viewtopic.php?f=42&t=60722 Hot water infloor and radiator heating project:[url]http://www.tnttt.com/posting.php?mode=reply&f=54&t=62327[/