Common international power plugs are primarily classified into types A through N, in accordance with the IEC/TR 60083 standard. Listed below are the most prevalent types, along with their physical characteristics and regions of use:
1. Type A (US Standard 2-Pin Flat Plug)
Characteristics: Two parallel flat pins; ungrounded.
Voltage: 100–127V
Regions: USA, Canada, Japan, China (for certain 2-pin devices).

2. Type B (US Standard 3-Pin Flat Plug)
Characteristics: Type A configuration plus a round grounding pin.
Voltage: 100–127V
Regions: USA, Canada, Japan (for grounded equipment).

3. Type C (European Standard 2-Pin Round Plug)
Characteristics: Two round pins; ungrounded (Europlug).
Voltage: 220–240V
Regions: Continental Europe, Russia, South Korea, the Middle East, South America.

4. Type D (Indian Standard 3-Pin Round Plug)
Characteristics: Three large round pins arranged in a triangular pattern.
Voltage: 220–240V
Regions: India, Bangladesh, Nepal.

5. Type E (French Standard)
Characteristics: Two round pins plus a grounding hole located at the top.
Voltage: 220–240V
Regions: France, Belgium, Poland.

6. Type F (German Standard / Schuko)
Characteristics: Two round pins plus grounding clips on both sides (the most widely used European standard).
Voltage: 220–240V
Regions: Germany, Austria, Spain, and most European countries.

7. Type G (British Standard / BS 1363)
Characteristics: Three rectangular pins (arranged in a triangular pattern); includes grounding and a fuse.
Voltage: 230V
Regions: UK, Hong Kong, Singapore, Malaysia, the Middle East.

8. Type I (Chinese / Australian Standard)
Characteristics: Three angled flat pins (arranged in a "V" shape); common to both China and Australia.
Voltage: 220–230V Regions: China, Australia, New Zealand, Argentina

9. Type L (Italian Standard)
Features: Three round pins arranged in a straight line (thin pins)
Voltage: 230V
Regions: Italy, Chile, Uruguay

10. Type M (South African Standard)
Features: Three large round pins (larger than Type D)
Voltage: 230V
Regions: South Africa, Swaziland

11. Other Uncommon Types
Type H: Israel (Three flat pins)

Type J: Switzerland (Three small round pins)