本国际标准涉及家用和类似用途的电动投影仪和类似设备的安全，其额定电压不超过250伏。本标准范围内的电器示例包括特效投影仪；电影光带放映机；电影观众；显微镜投影仪；电影放映机；不透明投影仪（电子显微镜）；不透明透明投影仪（电子显微镜）；高架投影仪；摄影放大机；照片复制设备； 幻灯放映机；幻灯片分拣设备；还是观众。家用电器可能包括扩音器。

This International Standard deals with the safety of electric projectors and similar appliances for household and similar purposes, their rated voltage being not more than 250 volt. Examples of appliances that are within the scope of this Standard are effects projectors; film-strip projectors; film viewers; microscope projectors; motion-picture projectors; opaque projectors (episcopes); opaque-transparency projectors (epidiascopes); overhead projectors; photographic enlargers; photo-reproduction appliances; slide projectors (diascopes); slide-sorting appliances; still viewers. Appliances may incorporate sound amplifiers.