I have for sale a Powertronics NEMA L15-20P 4-Wire Grounding Male Locking Plug WJ-8421 E237606 . This is excess stock from a project that wrapped up.
Brand New. 50% off Mouser/Digikey prices.
Fast, free shipping from CA.
--------
20A 250VAC 3-Pole, 4-Wire Grounding.