You’re such a T Jess :D - Lyall (an F)“France and Belgium have a standard socket which is not compatible with the CEE 7 socket that is standard in Germany and other continental European countries. The reason for incompatibility its that grounding in the French/Belgian socket is accomplished with a round male pin permanently mounted in the socket. The CEE 7/7 plug bridges the differences between the two types of sockets. It has grounding clips on both sides to mate with the CEE 7 socket and a female contact to accept the grounding pin of the French/Belgian socket.”
This exceedingly, almost sinisterly, helpful website is assisting me to pack for my Paris trip.