The ornamental design for a windowcover for an electrical device enclosure, as shown and described.
FIG. 1 is a perspective view of a window cover for an electrical device enclosure in accordance with one embodiment.
FIG. 2 is a front view of the window cover for an electrical device enclosure in accordance with one embodiment.
FIG. 3 is a rear view of the window cover for an electrical device enclosure in accordance with one embodiment.
FIG. 4 is a right side view of the window cover for an electrical device enclosure in accordance with one embodiment.
FIG. 5 is a left side view of the window cover for an electrical device enclosure in accordance with one embodiment.
FIG. 6 is a top view of the window cover for an electrical device enclosure in accordance with one embodiment.
FIG. 7 is a bottom view of the window cover for an electrical device enclosure in accordance with one embodiment; and,
FIG. 8 is a perspective view of the bottom of the window cover for an electrical device enclosure in accordance with one embodiment.
The broken linear lines in the drawing illustrate portions of the window cover for an electrical device enclosure and form no part of the claimed design. The broken lines are directed to environment and are for illustrative purposes.