scope:

This document specifies safety requirements for electronic controlgear for high-frequency operation of tubular cold-cathode discharge lamps used in signs and luminous discharge tube installations and operating with an output voltage exceeding 1 000 V but not exceeding 10 000 V for direct connection to DC or AC supply voltages not exceeding 1 000 V (at 50 Hz or 60 Hz in case of AC). NOTE 1 - Historically, for such type of controlgear it was referred to as invertors or convertors. NOTE 2 - In Japan, the output voltage of 15 000 V is acceptable.