Amazon.com: 2 Prong to 3 Prong Outlet Adapter - TROND US to Japan Plug Adapter 3 AC Outlets Extender 2 USBs, 3 Prong to 2 Prong Travel Power Converter Adaptor for USA
TENINYU Grounded Adapter 3-Prong to 2-Prong Outlet Converter - 3 Pin to 2 Pin Plug Socket Adapter Extension for Electrical Cord, Household, Workshops, Industrial, Machinery (2 Pack) - Amazon.com
The Truth About 2-3 Prong Adapter and Outlet Safety – AC Connectors
2 Prong Outlets - 2 Prong to 3 Prong Adapter - 2 Prong Outlet Upgraded to 3 Prong - YouTube
Project Source Adapter 15-Amp 2-wire To 3-wire Single To Single Gray Basic Standard Adapter in the Adapters & Splitters department at Lowes.com
QVS 3-Prong to 2-Prong Power Adapter (White / Pack of 2) - プロジェクターの通販専門店
Amazon.com: Katzco 3-Prong to 2-Prong Grounding Adapter - 2 Piece for Wall Outlets - Converters for Outlets, Electrical, Household, Workshops, Industrial, Machinery, Appliances - UL Listed, Gray, Polarized : Tools & Home Improvement
GE Polarized Grounding Outlet Adapter 2 Pack, Turn 2 Prong into 3-Prong - Walmart.com
Commercial Electric 2 to 3-Prong Triple Outlet Adapter LA-12 - The Home Depot