Type A
Two flat parallel pins (no earth). Type A plugs fit type B sockets.
Type B
Two flat parallel pins plus a round earth pin. Type A plugs fit type B sockets.
Type C
Two round pins (the "Europlug"). Types C, E and F are largely compatible: a European adapter fits all three.
Type D
Three large round pins in a triangle.
Type E
Two round pins, with an earth pin in the socket. Types C, E and F are largely compatible: a European adapter fits all three.
Type F
Two round pins with earth clips on the sides ("Schuko"). Types C, E and F are largely compatible: a European adapter fits all three.
Type G
Three rectangular pins (the UK plug). This is the UK plug.
Type H
Three pins in a V shape.
Type I
Two flat pins in a V, plus an earth pin.
Type J
Three round pins (Swiss).
Type K
Three round pins (Danish).
Type L
Three round pins in a row (Italian).
Type M
Three large round pins (larger than type D).
Type N
Three round pins (Brazilian).
Type O
Three round pins (Thai).
Common questions
What plug type does the UK use?
Type G: three rectangular pins, at 230V.
Which adapter do I need for Europe?
A European (type C/E/F) adapter works in almost all of mainland Europe. Italy also uses type L and Switzerland type J, but both accept type C plugs.
Which adapter do I need for the USA?
A US (type A/B) adapter. The voltage is 120V, so check your appliances say 100–240V.