FIG. 1 is a front, top, right side perspective view of a plug adapter, showing my new design;
FIG. 2 is a rear, right side perspective view thereof;
FIG. 3 is a top plan view of the plug adapter of FIG. 1, shown enlarged for clarity of disclosure;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a right side elevation view of the plug adapter of FIG. 1;
FIG. 7 is a front elevation view of the plug adapter of FIG. 1, shown enlarged for clarity of disclosure; and,
FIG. 8 is a left side elevation view of the plug adapter of FIG. 1.
The equal-length broken lines depict portions of the plug adapter that form no part of the claimed design. The dash-dot-dash lines define the boundaries of the claim.