The electrical system in your RV can seem complex and confusing until you have a basic understanding of how it works. Your RV actually has three separate electrical systems. It has a 12-volt DC automotive system, a 12-volt DC coach system, and a 120 volt AC coach system.
Usually, the only indication of a hydrocele is a painless swelling of one or both testicles. Adult men with a hydrocele might experience discomfort from the heaviness of a swollen scrotum. Pain generally increases with the size of the inflammation. Sometimes, the swollen area might be smaller in the morning and larger later in the day.
Hydrocele is a term used to describe a dilated sac of fluid which forms around the testicle. The male anatomy is shown in the picture. The scrotum, or sac, contains a testicle on each side. The testicle has two functions. It makes testosterone, the male hormone, which is absorbed into the blood stream.