>
> We call ground ground. But the return from the negative battery
> feed is called return, not ground. Just like neutral is not called
> ground in a home electrical system even though it is connected
> to ground at the main breaker panel. The returns from equipment
> in a CO are connected to ground at the main battery power
> distribution frame. What really throws the new guys is that +
> goes to ground and - goes to battery. Boy have I seen some good
> arc welding.
HA! This begs the question (to all you EE-wannabes), "why is it done this
way?"
Hint: it has to do with ∗chemistry∗, not "electronics".
Paul S.