Safety of transformers, reactors, power supply units and combinations thereof—Part 11: Particular requirements and tests for separating transformers with high insulation level and separating transformers with output voltages exceeding 1 000 V
Safety of transformers, reactors, power supply units and combinations thereof—Part 4: Particular requirements and tests for ignition transformers for gas and oil burners
Safety of transformers, reactors, power supply units and combinations thereof—Part 15: Particular requirements and tests for variable transformers and power supply units incorporating variable transformers