The 20 L is a c13, I even checked with Speidel.
I ended up making a cord, before I decided to I did find these websites
http://www.customavrack.com/category/345-nema-locking-to-iec-power-cords.aspx
http://rackmountpdu.com/Category/101-30a-power-cords.aspx
Also, I did my first and I mean...