| Type A | 2 flat parallel blades | 100–127V | 15A | Ungrounded | United States, Canada, Mexico, Japan, parts of Central America | Non-polarized (identical blades) or polarized (one wider blade). The standard North American plug in wide use since the 1900s. |
| Type B | 2 flat parallel blades + round ground | 100–127V | 15A | Grounded | United States, Canada, Mexico | The grounded version of Type A. Three-prong US plug. NEMA 5-15P is the primary example. Required in US/Canadian construction since 1971 NEC update. |
| Type C | 2 round pins (Europlug) | 220–240V | 2.5A | Ungrounded | Europe (except UK/Ireland), South America, Asia, Africa | The “Europlug.” Ungrounded and rated only 2.5A — used for small appliances and electronics. Fits Type E, F, G, H, J, K, L, N sockets. |
| Type D | 3 round pins in triangle | 220–240V | 5A | Grounded | India, Nepal, Sri Lanka | Old British standard (BS 546). Found in older Indian installations. Being phased out in favor of Type M in India. |
| Type E | 2 round pins + socket hole (for French ground) | 220–240V | 16A | Grounded | France, Belgium, Poland, Slovakia, Czech Republic, Monaco | The grounding is via a pin in the socket, not on the plug. Plugs with a hole for the socket’s pin. CEE 7/5 standard. |
| Type F | 2 round pins + grounding clips | 220–240V | 16A | Grounded | Germany, Austria, Netherlands, Spain, Portugal, Russia, most of Europe and Asia | CEE 7/4 Schuko (Schutzkontakt — “protective contact”). Grounding via side clips. The most widely used plug type in Europe. Accepts Type C plugs. |
| Type G | 3 rectangular blades in triangle | 220–240V | 13A | Grounded | United Kingdom, Ireland, Hong Kong, Singapore, Malaysia, Malta, Cyprus | BS 1363 standard. Includes a built-in fuse (typically 3A or 13A). Shuttered sockets required — safest residential plug system in the world. |
| Type H | 3 round pins in Y-shape | 220–240V | 16A | Grounded | Israel, Palestinian territories | Used only in Israel. Unique Y-shaped configuration. New Israeli standard (SI 32) moves toward recessed sockets compatible with Type C. |
| Type I | 2 or 3 flat angled blades | 220–240V | 10A | Grounded | Australia, New Zealand, Argentina, China (variant) | Australian and Chinese variants are slightly different — Chinese Type I is not fully compatible with Australian Type I. AS/NZS 3112 standard. |
| Type J | 3 round pins | 220–240V | 10A | Grounded | Switzerland, Liechtenstein | SEV 1011 standard. Used exclusively in Switzerland. Type C fits Swiss sockets. Swiss grounded plugs have a third pin in an unusual position. |
| Type K | 2 round pins + U-shaped ground | 220–240V | 16A | Grounded | Denmark, Greenland, Faroe Islands, Bangladesh | DS 60884-2-D1 standard. The U-shaped grounding pin is distinctive. Accepts Type C plugs in modern Danish sockets. |
| Type L | 3 round pins in line | 220–240V | 10A or 16A | Grounded | Italy, Chile, parts of North Africa | CEI 23-50 standard. Three pins in a row — 10A and 16A variants have different pin spacing (not interchangeable). Type C fits Italian sockets. |
| Type M | 3 large round pins in triangle | 220–240V | 15A | Grounded | South Africa, India (large appliances) | Larger version of Type D (BS 546 with bigger pins). Used for high-current appliances in South Africa and India. Not interchangeable with Type D. |
| Type N | 2 round pins + ground (Braziliform) | 127V or 220–240V | 10A or 20A | Grounded | Brazil | NBR 14136 standard — Brazil’s national standard since 2010. Replacing Type A/C in new Brazilian construction. 10A and 20A variants not interchangeable. |
