Power supply

[0001]FIG. 1 is a front perspective view of a power supply showing the new design;

[0002]FIG. 2 is a left side view of the claimed design of FIG. 1;

[0003]FIG. 3 is a right side view of the claimed design of FIG. 1;

[0004]FIG. 4 is a front view of the claimed design of FIG. 1;

[0005]FIG. 5 is a rear view of the claimed design of FIG. 1;

[0006]FIG. 6 is a top view of the claimed design of FIG. 1; and,

[0007]FIG. 7 is a bottom view of the claimed design of FIG. 1.

[0008]The broken lines shown represent the portions of the power supply that form no part of the claimed design. The shade lines in the Figures show contour and not surface ornamentation.