Did you ground your PD 9200 series converter?
I recently installed a new PD9260C deck mount converter in my fifth wheel. It did not come with anything resembling installation instructions, but it did have this schematic: The converter A...
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The ground on the cord is for the incoming 120 volt side of the converter. This ground goes directly back to the 120 volt source as required by the NEC. The ground for the case protects the DC isolated system as well as the potential, highly unlikely failure on the AC system.
