The ornamental design for an internalcover for an electrical apparatus enclosure, as shown and described.
FIG. 1 is a top perspective view of an internal cover for an electrical apparatus enclosure showing my design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a side view thereof;
FIG. 4 is an opposing side view thereof;
FIG. 5 is an end view thereof;
FIG. 6 is an opposing end view thereof;
FIG. 7 is a top view thereof;
FIG. 8 is a bottom view thereof; and,
FIG. 9 is an environmental view of the internal cover attached to an electrical apparatus enclosure, optionally a loadcenter enclosure.
The broken lines are included for the purpose of illustrating portions of the internal cover for an electrical apparatus enclosure and form no part of the claimed design.