The ornamental design for a coverplate for switches, as shown and described.
FIG. 1 illustrates a front side perspective view of a cover plate for switches.
FIG. 2 illustrates a front side view of the cover plate for switches shown in FIG. 1.
FIG. 3 illustrates a right side perspective view of the cover plate for switches shown in FIG. 1.
FIG. 4 illustrates a top side perspective view of the cover plate for switches shown in FIG. 1.
FIG. 5 illustrates a rear side view of the cover plate for switches shown in FIG. 1; and,
FIG. 6 illustrates a side view of the cover plate for switches shown in FIG. 1, the opposite side being a mirror image.
The broken lines shown in the figures are for the purpose of illustrating portions of the cover plate for switches that form no part of the claimed design.