FIG. 1 is a top, front, right perspective view of a main distribution panel showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The dash-dot broken lines immediately adjacent to shaded surfaces define the bounds of the claimed design and form no part thereof. The broken lines showing the remainder of the main distribution panel represent unclaimed subject matter and form no part of the claimed design.