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May 12, 2021

What do all these IEC cord, plug and socket designations mean?

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Some technical data is hard to find, and information about IEC style appliance and power cord plugs and sockets is very hard to find. Here is a list of what we have been able to put together so far.
  IEC 60320-1 Style Appliance Inlets & Power Cord Connectors
  IEC Designation Connector type IEC Class*   Polarized Non-Polarized   IEC Current Rating @ 250 V       N. American Current Rating   Temperature Rating    
  Connector Inlet I II   0.2 A 2.5 A 6.0 A 10 A 16 A 15 A 20 A 65º C 120º C 155º C
iec C2 plug drawing C1 Cord end     X   X X             X    
iec C2 plug drawing C2   Inlet or socket   X   X X             X    
This is a two-conductor version of the Mickey Mouse cord C5/C6 but with Mickey's face replace with a solid line C3** Cord end       X     2.5 A           X    
  C4**   Inlet or socket     X     2.5 A           X    
C5 Cord end   X   X     2.5 A           X    
iec c6 drawing C6   Inlet or socket X   X     2.5 A           X    
type C7 plug C7 Cord end     X   X   2.5 A           X    
iec c8 plug or socket drawing C8   Inlet or socket   X   X   2.5 A           X    
C9 Cord end     X   X     X         X    
  C7-PW Cord end     X X     2.5 A           X    
iec c10 plug drawing C10   Inlet or socket   X   X     X         X    
Looks like the C8/C10 with a slot in the top only C11** Cord end         X       X       X    
Looks like the C8/C10 with a slot in the top only C12** Inlet or socket X X       X    
C13 Cord end   X   X         X   X   X    
iec c14 socket C14   Inlet or socket X   X         X   X   X    
Similar to the C16 cord end C15 Cord end X X         X   X     X  
iec c16 plug drawing C15A Cord end X X         X   X       X
iec c16 plug drawing C16   Inlet or socket X   X         X   X     X  
iec c16A plug drawing C16A   Inlet or socket X   X         X   X       X
C17 Cord end     X X         X   X   X    
iec C18 drawing of plug C18   Inlet or socket   X X         X   X   X    
iec c20 plug drawing C19 Cord end   X   X           X   X X    

C20   Inlet or socket X   X           X   X X    
iec plug C22 drawing C21 Cord end   X   X           X   X   X
iec plug C22 drawing C22   Inlet or socket X   X           X   X     X
iec plug drawing c24 C23 Cord end   X X           X   X X    
iec plug drawing c24 C24   Inlet or socket X   X           X   X X    
 
* Type I is 2-wire plus ground  
Type II is two wire, double insulated  
** These designations were for IEC Class 0 (2 wire without ground & notdouble insulated). Class 0 is no longer defined in IEC Standards. TheseConfigurations are very rare.  


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IEC cable, Inlet or socket, prong and connector styles

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