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. The contents of the interpretation sheets of March 2001, July 2003 and July 2003 have been included in this copy. This consolidated version consists of the second edition (1996), its amendment 1 (1998) and its amendment 2 (2002). Therefore, no need to order amendments in addition to this publication.