Quote:

with the connection to an amp/receiver inside the house is there an issue with water getting in the binding post/speaker wire?



If you use good installation techniques, this won't be an issue. Take a look at the following page and read the parts about "drip loops". The web page is not specifically about speaker cable, but the laws of physics still apply.

Drip Loop Info

Ken. VaSSallo Series M60v2, VP100v2, QS8v2 SVS SB12-Plus