The ornamental design for a powersocket, as shown and described.
FIG. 1 is a perspective view of a power socket showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a perspective view thereof, showing the power socket in an environment of use.
The broken line showing portions of the wall and the round opening in FIG. 8 depicts environmental structure and forms no part of the claimed design. All other broken lines in the drawings depict portions of the power socket that form no part of the claimed design.