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Old 09-24-2019, 09:42 AM   #2
DavidM's Avatar
City: Litchfield, Ct/Punta Gorda, Fl
Country: USA
Vessel Model: Atlas Pompano 23
Join Date: Aug 2012
Posts: 5,033
I have also wondered about this installation requirement or recommendation.

As noted in your text above, it applies to the DC grounding system. The inverter has its own AC load, neutral and ground connections independent of the case DC ground.

What good is a separate case ground. DC pos and neg cables are connected between the inverter and the battery. I realize that the case is not connected to either the AC ground or the DC negative. Why another separate DC ground for the case?

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