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Compass Marine How To | all galleries >> Welcome To >> Installing A Marine Battery Charger > Negative DC Wiring
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Negative DC Wiring

Negative DC Wiring

The bottom negative wire on that buss bar is for the battery charger. If your boat is equipped with a battery monitor the chargers DC negative wire should be placed on the "load" side of the monitors shunt as is shown here.

As always the DC negative wire should be the same size as the DC positive wire. Using a DC negative buss bar is an easy way to keep the battery posts clean and free of clutter.

other sizes: small medium original
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Jerry Wegman 31-Aug-2015 17:26
Correct me if I am wrong, but on the negative bus bar, second from the top, there is a small load attached below the larger load. This violates the "stacking" rule that you provided earlier. Does the stacking rule only apply to positive terminations?
Thank you for this excellent resource.