These requirements cover open type switches for installation without an enclosure@ where acceptable@ or for installation in a panelboard@ switchboard@ motor control center@ industrial control panel or the like@ or for installation in a Listed cabinet or cutout box in accordance with the switch installation instructions. Open type switches are manually operable by means of an external handle. These requirements also cover motor operators for use with enclosed switches. These requirements are intended to be used in conjunction with the requirements specified in the Standard for Enclosed and Dead-Front Switches@ UL 98@ except as modified or supplemented by this Outline.