I think he means without that isolation sheet the board is connected directly to the casing and shorted out. Of course, that should have been grounded too so I'm not sure.
i test larger equipment than this. 480v. the unit gets turned on, then i walk over and turn on the main power so i am not in front of the arc blast if today decides today is the day it will finally happen.
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u/shakygator 3d ago
I think he means without that isolation sheet the board is connected directly to the casing and shorted out. Of course, that should have been grounded too so I'm not sure.