John,
       I'm certainly not as familiar with as many standards as you are, but
isn't the requirement, not so much that the PEC, must be on its own stud, but
rather than this connection must be the first, and then a double locking nut
to secure it? If there is remaining post length "grounds" could then be
attached above that with their own fasteners? The goal of which is to insure
that the PEC connection isn't removed while servicing the other subsections of
the equipment and hopefully means that service personnel won't forget to
replace it since it wasn't necessary to remove this important connection.
       I could see it both ways.
       Gary

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