When mounting a ground bar within a load center, is it acceptable to simply make contact with the painted surface with the mounting screws, or is a ground wire required?

Issue:
Mounting of ground bar within a load center

Product Line:
Load Center

Environment:
Ground Bar

Resolution:
The screw is a self tapping screw and will cut through the painted surface, bonding the ground bar to the enclosure/ground.

Released for: Schneider Electric USA