Edit 20220215/20200713: The original wiring description in this article was wrong, thanks Jules Vape and John Cooper for pointing this out in the comments.
This is the correct wiring according to IEC 60320 – Wikipedia: C13/C14_coupler: File:IEC60320 C13.jpg – Wikipedia (rotated for clarity) and Source: File:IEC60320 C14.jpg – Wikimedia Commons.
- Facing the C13 female side that has holes:
Facing the C14 male side that has pins:
Position |
Lead |
Left |
L |
Live |
Middle |
⏚/PE |
Protective Earth/Ground |
Right |
N |
Neutral |
The same information from [WayBack] IEC 60320 (IEC 320) Reference Chart – IEC 60320 Connectors & Plugs | StayOnline:
IEC-60320 Plugs and Connectors |
Rating |
Configuration
Female/Male |
International |
North America |
Wires |
Poles |

C13/C14 |
250 Volts
10 Amps |
125/250 Volts
15 Amps |
3 Wires |
2 Poles |
Wiring colours
If you wire it, the colours depend on where you live. I live in the Netherlands so this shortened table does apply:
IEC (most of Europe) AC power circuit wiring color codes.
Function |
Label |
Color, IEC |
Color, old IEC |
Protective earth |
⏚/PE |
 |
green/yellow |
 |
green/yellow |
Neutral |
N |
 |
blue |
 |
blue |
Line, single phase |
L |
 |
brown |
 |
brown |
or |
 |
black |
Longer tables and infographics are here:
–jeroen
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