FIG. 1 shows a perspective view of a lighting ballast according to a first embodiment of the present invention.
FIG. 2 shows a right elevation view of the lighting ballast of FIG. 1.
FIG. 3 shows a left elevation view of the lighting ballast of FIG. 1.
FIG. 4 shows a front view of the lighting ballast of FIG. 1.
FIG. 5 shows a rear view of the lighting ballast of FIG. 1.
FIG. 6 shows a top view of the lighting ballast of FIG. 1.
FIG. 7 shows a perspective view of a lighting ballast according to another embodiment of the present invention.
FIG. 8 shows a right elevation view of the lighting ballast of FIG. 7.
FIG. 9 shows a left elevation view of the lighting ballast of FIG. 7.
FIG. 10 shows a front view of the lighting ballast of FIG. 7.
FIG. 11 shows a rear view of the lighting ballast of FIG. 7; and,
FIG. 12 shows a top view of the lighting ballast of FIG. 7.
The broken lines shown are for illustrative purposes and form no part of the claimed design.