Amazon.com: 2 Prong to 3 Prong Outlet Adapter, VINTAR US to Japan Plug Adapter with 2 Outlets 2 USB Wall Charger, Multi Plug Outlet Extender Splitter for US to Japanese Canada Mexico
GE Polarized Grounding Outlet Extender, 2 Pack, Turn 2-Prong into 3, Easy to Install, Indoor, UL Listed, Orange, 14404 - Plug Adapters - Amazon.com
Commercial Electric 2-Prong Single to Triple Outlet Adapter LA-14 - The Home Depot
4 Set 3 Prong to 2 Prong Outlet Electrical Ground AC Adapter Grounding Converter - Walmart.com
3 Prong to 2 Prong Adapter,TESSAN Electrical 4 Outlet Expander with 3 USB Wall Charger, Multi Plug Extender Splitter, Travel Multiple Power Adaptor for US to Japan, Type A - - Amazon.com
2 Prong to 3 Prong Adapter, TESSAN 3 Outlets with 2 USB Charging Ports, Multi Plug Outlet Extender Splitter, Travel Power Plug Adapter for US to Japan Canada Mexico Philippines, Type A - - Amazon.com
Watson 2-Prong USA to 3-Prong UK Power Adapter Plug AP-USA-GB
3 Prong to 2 Prong Grounded Electrical Adapter - 2pcs/pack, UL Listed - PI Manufacturing