Power Supply Box

FIG. 1 is a top, front and right side perspective view of a power supply box showing my new design;

FIG. 2 is a bottom, rear and left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a top, front and right side perspective view showing the power supply box in an open state;

FIG. 10 is a top, front and left side perspective view showing the power supply box in the open state; and,

FIG. 11 is a bottom, rear and left side perspective view showing the power supply box in the open state.

The broken lines in the drawings illustrate portions of the power supply box which form no part of the claimed design.