[RE-wrenches] finding array ground faults

[Marco Mangelsdorf]

Hoo boy....I've got a tough one here.  Trying to troubleshoot an array
ground fault with a system that has 14 strings mounted on a metal roof with
the whole roof and metal framed building being common to ground.

 

Can anyone recommend any diagnostic tools out there to troubleshoot and
locate ground faults?

 

Thanks,

marco

 

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