The ornamental design for a post for electricoutletreceptacle, as shown and described.
FIG. 1 is an isometric view of the post for electric outlet receptacle showing the design;
FIG. 2 is a top plan view of the post for electric outlet receptacle showing the design;
FIG. 3 is a bottom plan view of the post for electric outlet receptacle showing the design;
FIG. 4 is a first side elevational view of the post for electric outlet receptacle showing the design;
FIG. 5 is a second side elevational view of the post for electric outlet receptacle showing the design;
FIG. 6 is a front elevational view of the post for electric outlet receptacle showing the design; and,
FIG. 7 is a rear elevational view of the post for electric outlet showing the design.
Broken lines shown in the drawings and particularly in FIG. 3 represent portions of the post for electric outlet receptacle that form no part of the claimed design.