What about it DUMB ASS!
You are so completely dense grasping for anything, you quote a guy from over thirteen yrs ago - who happened to screw & steal from us members & then left in shame.
The same thread is Paul Abernathy who may still be a member of the rules committee for NEC. He stated the exact opposite of you & your friend. DUH!
Paul Abernathy, Electrical Code Academy,Inc
Guys…most panels today can be either direction…the fact is you are still going to put the breakers in at the CORRECT direction anyway…so it makes no real difference.
We install many upside down if you would like to call it that…does not matter.