FIG. 1 is a front-top perspective view of the switch mounting cutout in accordance with a first embodiment of my ornamental design;
FIG. 2 is a rear-top perspective view thereof;
FIG. 3 is a rear-bottom perspective view thereof;
FIG. 4 is a front-bottom perspective view thereof;
FIG. 5 is a top-plan view thereof;
FIG. 6 is a bottom-plan view thereof;
FIG. 7 is a left-side elevation view thereof;
FIG. 8 is a right-side elevation view thereof;
FIG. 9 is a front-elevation view thereof;
FIG. 10 is a rear-elevation view thereof;
FIG. 11 is a section view of FIG. 1 along section lines 11-11; and,
FIG. 12 is a section view of FIG. 1 along section lines 12-12.
Those portions of the figures illustrated as dashed broken lines form no part of the claimed design. Those portions of the figures illustrated as dashed-dot-dot lines are boundary lines and form no part of the claimed design.