FIG. 1 is a bottom perspective view of a lighting appliance showing my new design, according to a first embodiment;

FIG. 2 is a bottom view of the design shown in FIG. 1;

FIG. 3 is a top view of the design shown in FIG. 1;

FIG. 4 is a right side view of the design shown in FIG. 1;

FIG. 5 is a left side view of the design shown in FIG. 1;

FIG. 6 is a front view of the design shown in FIG. 1, the rear view being a mirror image thereof;

FIG. 7 is a bottom perspective view of a lighting appliance showing my new design, according to a second embodiment; and,

FIG. 8 is a bottom view of the design shown in FIG. 1, the top view, right side view, left side view, and front and rear views being the same as that shown in FIGS. 3, 4, 5, and 6, respectively.

The broken line showing of mounting elements and circuit elements is for the purpose of illustrating environmental structure and forms no part of the claimed design.