There are several types of plugs used around the world, each designed to meet the electrical standards and requirements of different countries. Some common types of plugs include:

  1. Type A: Used in North and Central America, Japan, and parts of South America. It has two flat parallel pins.
  2. Type B: Also used in North and Central America, Japan, and some parts of South America. It has two flat pins and a grounding pin.
  3. Type C: Commonly used in Europe, Asia, and parts of Africa. It has two round pins.
  4. Type D: Found in India and other countries in South Asia and Africa. It has three round pins in a triangular configuration.
  5. Type E: Used in some European countries and parts of Africa. It has two round pins and a grounding pin.
  6. Type F: Commonly used in Europe and Russia. It has two round pins and a grounding pin.
  7. Type G: Used in the United Kingdom, Ireland, and some other countries. It has three rectangular pins in a triangular configuration.
  8. Type H: Used in Israel. It has two flat pins and a grounding pin in a V-shape.
  9. Type I: Used in Australia, New Zealand, China, and other countries. It has two flat pins and an angled grounding pin.
  10. Type J: Used in Switzerland and Liechtenstein. It has three round pins in a straight line.
  11. Type K: Used in Denmark and Greenland. It has three round pins in a triangular configuration.
  12. Type L: Used in Italy and parts of Chile. It has three round pins in a straight line.
  13. Type M: Used in South Africa and parts of Asia. It has three round pins in a triangular configuration.

These are just a few examples of the many plug types used worldwide. Travelers or businesses that deal with international equipment may need to use plug adapters or converters to ensure compatibility between different plug types and electrical outlets.