Amazon.com: S7 50 Amp to 110 Adapter, 240v to 120V Adapter, 4 Prong NEMA 14-50P Male to 4X 5-20R Household Outlet Female 1.8FT : Tools & Home Improvement
240v Adapter to 120v Adapter for Lights
220v/240v - 110v Step Down Voltage Converter w/ Euro Plug
5000 Watt Voltage Converter, 110/120v to 220/240v | inverter.com
2PC 110V to 240V US Electrical Converter 3Prong Plug Adapter 15A 6-15P to 5-15R | eBay
Amazon.com : TopoLite Plug Adapters 1-Pack 120V to 240V for Hydroponic Indoor Plants Growing Grow Light Fixture Kit Accessories (1Pcs(120 to 240V)) : Patio, Lawn & Garden