At services, you must bond the normally non-current carrying metal parts of equipment together [250.92(A)]. The NEC lists specific items. Does this mean if something’s not on that list you shouldn’t bond it?
No, the list is there to help you. There’s nothing magical about a metallic object the Code-Making Panel didn’t include in that list; they can’t think of everything. The object could be at a different potential from other metallic objects. We have o