Safety of transformers,reactors, power supply units and combinations thereof―Part 10: Particular requirements and tests for transformers and power supply units for class Ⅲ handlamps for tungsten filament lamps
Safety of transformers,reactors, power supply units and combinations thereof―Part 10: Particular requirements and tests for transformers and power supply units for class Ⅲ handlamps for tungsten filament lamps