Safety of transformers,reactors,power supply units and combinations thereof-Part 5: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers for general applications
Safety of transformers, reactors, power supply units and combinations thereof—Part 2: Particular requirements and tests for separating transformers and power supply units incorporating separating transformers for general applications
Safety of transformers, reactors, power supply units and combinations thereof - Part 14: Particular requirements and tests for auto-transformers and power supply units incorporating auto-transformers for general applications