This part of IEC 61347 specifies general and safety requirements for lamp controlgear for use on d.c. supplies up to 250 V and/or a.c. supplies up to 1 000 V at 50 Hz or 60 Hz.This standard also covers lamp controlgear for lamps which are not yet standardized.Tests dealt with in this standard are type tests. Requirements for testing individual lamp controlgear during production are not included.Requirements for semi-luminaires are given in IEC 60598.In addition to the requirements given in this standard@ annex B sets out general and safety requirements applicable to thermally protected lamp controlgear.Annex C sets out additional general and safety requirements as they apply to electronic lamp controlgear with means of protection against overheating.Additional requirements for built-in ballasts with double or reinforced insulation are given in Annex I.