RE: Polarity + or -

Thanks Biff. Good answer to the "does positive ground promote rusting"
question!

Jacques LC

Biff J. wrote:
According to an electrical text the following 'explanation is offered:

"The choice of having the + source tied to ground is not arbitrary but
chemistry. Metal is a positive ion and that is why metal corrodes. Make the
metal negative and it does not rust away. [big snip]