ECN Forum Forums General Topics of the Trade Non-US Electrical Systems & Trades List of american plug systems

Andy,

there are equally many versions of the CEE plugs. Most of them you never see.

It's pretty easy to see why: 4 sizes (16, 32, 63, 125) and three different number of pins (3, 4, 5) and twelve different voltage/frequency configurations for each. This sums up to 144 different plugs. Of course, many of these have no specified use and are not manufactured.

There was a thread on this last year:
https://www.electrical-contractor.net/ubb/Forum9/HTML/000127.html