Types of Plugs, Ends, IECs

The three prong plug you see in most places in the US, Canada, Mexico and some of Central/South America is a NEMA 5-15 
 Projector 208v plugs are often NEMA 6-15P and C19s on the IEC end.  
 Types of Plugs 
 From Genratorjoe.net 
 
 
 
 
 World Plug Map 
 What adapters do I need when I travel? 
 From fs.com 
 
 Types of IECs 
 From fs.com