Electrical connector

The design is the visual features of the ELECTRICAL CONNECTOR shown in the drawings, whether those features are features of one of shape, configuration, ornament or pattern or are a combination of any of these features. Drawings of the design are included, as follows: FIG. 1 is a front perspective view of an ELECTRICAL CONNECTOR showing our new design; FIG. 2 is a rear perspective view thereof; FIG. 3 is a top plan view thereof; FIG. 4 is a bottom plan view thereof; FIG. 5 is a left side elevation thereof; FIG. 6 is a right side elevation thereof; FIG. 7 is a rear elevation thereof; FIG. 8 is a front elevation thereof; In the drawings, the broken lines depict unclaimed subject matter only and form no part of the claimed design.