The ornamental design for an electrical walloutletshelf, as shown and described.
FIG. 1 is a perspective view of an electrical wall outlet shelf showing my new design in a extended configuration;
FIG. 2 is another 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 elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The broken lines shown in the drawings are included for the purpose of illustrating environmental structure and unclaimed portions of the electrical wall outlet shelf and form no part of the claimed design.