Quote:
Originally Posted by Coreyboy18
I am just wondering what I ground my electrical system to if I don't have an inboard engine. I know that there are grounding plates that are used for lightning, but would I use the same thing for grounding a DC system? Thanks!
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With the DC system grounded to the negative terminal on the battery, you have a floating ground not connected to earth, like a car or plane. On a boat with an engine, connecting the engine block to ground earths the ground via the prop shaft to ocean. Were you wondering whether you have to connect the ground side of your DC system to earth (ocean) so that it is not floating?