9 ELECTRICAL, ELECTRONIC, AND ELECTRO-PNEUMATIC SWITCHING, CONTROLLING, MEASURING, AND TESTING EQUIPMENT USED FOR VEHICULAR AND TRAFFIC APPLICATIONS; ELECTRICAL PLAY BUILDING BLOCKS USED TO FORM ELECTRICAL CIRCUITRY; SAFETY EQUIPMENT; NAMELY WARNING TRIANGLES, WARNING LIGHTS, ELECTRICAL OPERATIONAL CONTROL UNITS, FLASHING AND SIGNAL UNITS, ELECTRICAL SWITCHES, AND ELECTRICAL CONTROL LIGHTS USED WITH MOTOR VEHICLES