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Re: 12 volt positive ground.
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Posted by Bill(Wis) on February 25, 2004 at 07:42:42 from (12.75.179.11):
In Reply to: 12 volt positive ground. posted by frank in wi. on February 25, 2004 at 04:32:07:
Blame Benjamin Franklin. He erred in identifying the direction of current flow. Objects he identified as negative actually have a surplus of electrons. Henry Ford took matters in hand, having worked at Edison Illuminating, and corrected the matter by using the so called positive terminal as a ground and the negative terminal as the hot end. He had the electrons flowing the right way even if it looked wrong. GM came into being and decided it really didn't make much difference which way electrons flowed so why not use the negative for ground and positive for hot? They overtook Ford in sales and sometime in the 50s (after Henry's death) Ford changed over to neg ground. Negative ground became the standard.
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