AC WORKS 1ft NEMA 6-50P to NEMA 6-20R with Breaker 20-Amp 3-wire Grounding Single To Single Orange Basic Flexible Adapter in the Adapters & Splitters department at Lowes.com
Hopkins 7 Blade to 6 Pole Round Adapter
Adapter Cable, 5 Pin Plug to 6 Pin Socket Receptacle [9307] - $88.92 : Arc-Zone.com, Welding Accessories Store
6v 0.3a dc power adapter 6 volt 0.3 amp 300ma Power Supply input ac 100 240v 5.5x2.5mm Power transformer|6v power adaptor|power 6vadapter ac dc - AliExpress
3.5mm Mini Plug to 2 RCA Female Audio Stereo Adapter 6 inch
6 Outlet Grounded Adapter
AC WORKS Adapter L6-20P 20 Amp 250-Volt Plug to NEMA 6-15/20R 15/20 Amp 250-Volt Connector ADL620620-D - The Home Depot