Light Switch

FIG. 1 is a top perspective view of a light switch showing my new design; FIG. 2 is a bottom perspective view of the light switch; FIG. 3 is a front view thereof; FIG. 4 is a rear view thereof; FIG. 5 is a left side view thereof; FIG. 6 is a right side view thereof; FIG. 7 is a top view thereof; and, FIG. 8 is a bottom view thereof. Any shading and cross-hatching are not features of the design but are utilized to illustrate the surface contours of the light switch design in the drawings. The broken lines in the drawings depict portions of the light switch and form no part of the claimed design.