标准摘要
[中文适用范围]： 规定了在室内或室外使用、电源电压不超过 250 V 且配有串联或并联白炽灯的灯串的要求。 [外文原描述]： Specifies requirements for lighting chains fitted with series or parallel connected incandescent lamps for use indoors or outdoors on supply voltages not exceeding 250 V.
英文名称Luminaires - Part 2-20: Particular requirements - Lighting chains