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Diamond PSE Mark

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The Diamond PSE (Product Safety Electric Appliance and Materials) Mark is mandatory in Japan for all specified electrical appliances to show that the product complies with the Japanese technical standards for electrical devices.

Products defined as specified electrical appliances include:

  • Wires and Cables
  • Fuses
  • Wiring Devices
  • Current Limiters
  • Transformers and Ballasts
  • Heating Appliances
  • Electric Motor-Operated Appliances
  • High Frequency Depilaters
  • Other A.C. Electrical Appliances
  • Portable Generators

The Diamond PSE mark falls under the Electrical Appliance and Material Safety Law (DENAN) and is applied to 115 items of electric products that are intended for use in Japan.