Provides the lighting industry with general and safety requirements for electronic step-down convertors for use on D.C. supplies up to 250 V or A.C. supplies up to 1000 V for use with tungsten-halogen or other filament lamps. It also stipulates the particular requirements for convertors with means of protection against overheating and provides additional requirements for independent SELV D.C. or A.C. supplied electronic step-down convertors. This Standards is an adoption with national modifications of IEC 61046:1993 including Amendment 1:1995.