If you've got a switch underwater obviously it won't operate, ... It's also difficult to repair. There's so much potential damage from static discharge, dirt and algae that the cost of cleaning it would likely exceed the cost of replacing it.  -   Peter Evans     Quotes
If you've got a switch underwater obviously it won't operate, ... It's also difficult to repair. There's so much potential damage from static discharge, dirt and algae that the cost of cleaning it would likely exceed the cost of replacing it. Peter Evans
 Potential