This standard covers high-pressure mercury lamps, low-pressure sodium lamps, high-pressure sodium lamps, and metal halide lamps.
KS C IEC 61347-2-9:2008 history
2019KS C IEC 61347-2-9:2019 Lamp controlgear — Part 2-9: Particular requirements for electromagnetic controlgear for discharge lamps (excluding fluorescent lamps)
2008KS C IEC 61347-2-9:2008 Lamp controlgear-Part 2-9:Particular requirements for ballasts for discharge lamps(excluding fluorescent lamps)