The ornamental design for a photovoltaic mounting endclamp and assembly, as shown and described.
FIG. 1 is a perspective view of a photovoltaic mounting end clamp and assembly according to the present design;
FIG. 2 is a front view of a photovoltaic mounting end clamp and assembly according to the present design;
FIG. 3 is a back view of a photovoltaic mounting end clamp and assembly according to the present design;
FIG. 4 is a top view of a photovoltaic mounting end clamp and assembly according to the present design.
FIG. 5 is a bottom view of a photovoltaic mounting end clamp and assembly according to the present design.
FIG. 6 is a side view of a photovoltaic mounting end clamp and assembly according to the present design; and,
FIG. 7 is a side view of a photovoltaic mounting end clamp and assembly according to the present design.
Washers indicated in broken lines in FIG. 2, FIG. 3 and FIG. 4 and items indicated in broken lines in FIG. 1 and FIG. 5 are shown for illustrative purposes only and form no part of the claimed design.