On Sat, 15 Nov 2008 04:11:53 -0000, "Tony uk"
wrote:

Well i had a masthead light which was sealed with rubber grommets, the top
was plastic and screwed from the base upwards with a long stainless screw,
therefore holding it down from the inside. About a year after fitting the
bulb blew so after climbing the mast i found to my surprise that there was
about an inch of water inside. So bearing in mind what has been said here
How did that water get there?

One does not speculate oneself :-) but here one can find some of the
finest BS in the World.