I have seen / used several of these, however they all had NEMA Devices; Locking types being the most common
(i.e.: L5-20 through L22-30).
IMO, there _SHOULD_ be similar Test Equipment with IEC 320 Panel Mounted Devices.
If nothing is available in the IEC Panel Mount Schemes (NEMA only), you could makeup Two Gender-Bender type Patch Cords, each with IEC-to-NEMA Devices:
(1) IEC Plug - NEMA Receptacle
(1) NEMA Plug - IEC Receptacle
Sorry for not having any helpful information, but I will ask around.
-- Scott (EE)
