1. power cord VDE certification         
  2. BS Fused plug ASTA Licence         
  3. Cord sets and power-supply cords certified for Canada         
  4. List of voltage and plug types in the world (2)         
  5. List of voltage and plug types in the world (1)         
  6. National power socket certification standards         
  7. National voltage frequency standard         
  8. National power cord standards and the use of plug specifications         
  9. Plugs Sockets         
  10. ac-power-cord-connection