110V to 220V Quick Connectors, Briidea DIY 220-240V Power Supply from Two 110/120V AC Circuits, 220V 15AC Output Outlet, Charge The Car (GFCI Outlet Circuit Tester Included): Amazon.com: Tools & Home Improvement
DIY Portable Switched Power Outlet With Extension Cord : 8 Steps (with Pictures) - Instructables