Disconnecting Battery - wow! big spark
Hi all, dh put our fiver in storage for a little while and disconnect the battery. There was big spark signifying quite some power still running in the rig even tho everything was turned off! His...
Forum Discussion
greatwhitenorth69 wrote:
Why do people quote info when they haven't the slightest idea of what they're talking about, just heard it from the uncles, girlfriends, cousin's grandma, so it must be true. If you don't know don't give an opinion, it just confuses the whole thread. A spark will come from either terminal if there is draw, a dead short will pop a fuse, or melt the wiring if not fused.
I think the problem is confusing the term ground in a 12V system (which is not a ground but the positive terminal) with the ground in a 120V AC system where the ground is really grounded to earth and normally does not carry current and so will not spark if disconnected.
It would be better not to use the term ground in our 12V systems and use the accurate term positive.
