The mark consists of an electrical plug strip having an elongate rectangular housing with four three-prong electrical plug receptacles, two lamp windows, and a two-position reset switch, all located in a row in the upper surface of the housing, with that portion of the electrical plug strip shown in solid line in the accompanying drawing indicating the features which applicant claims as its mark, these being the linear alignment of the plugs, lamps, switch, and the upper beveled surface of the housing, and the remainder of the drawing, shown in dotted or broken lines, not being part of the features applicant claims as its mark.