![Amazon.com: Cable Matters [UL Listed] 3-Pack 2 Prong to 3 Prong Outlet Adapter in Gray (3 Prong to 2 Prong Plug Adapter) - Allows a 2 Prong Outlet to Accept 3 Prong Plugs : Tools & Home Improvement Amazon.com: Cable Matters [UL Listed] 3-Pack 2 Prong to 3 Prong Outlet Adapter in Gray (3 Prong to 2 Prong Plug Adapter) - Allows a 2 Prong Outlet to Accept 3 Prong Plugs : Tools & Home Improvement](https://m.media-amazon.com/images/I/71u4vVIN3CL.jpg)
Amazon.com: Cable Matters [UL Listed] 3-Pack 2 Prong to 3 Prong Outlet Adapter in Gray (3 Prong to 2 Prong Plug Adapter) - Allows a 2 Prong Outlet to Accept 3 Prong Plugs : Tools & Home Improvement
![electrical - Replacing a vintage 2 prong outlet that has 4 sockets? - Home Improvement Stack Exchange electrical - Replacing a vintage 2 prong outlet that has 4 sockets? - Home Improvement Stack Exchange](https://i.stack.imgur.com/YGA3d.jpg)
electrical - Replacing a vintage 2 prong outlet that has 4 sockets? - Home Improvement Stack Exchange
![ELEGRP 2 Prong to 3 Prong Grounding Adapter Plug, Outlet Extender with 2 AC Outlets (White, 1 Pack) EA0100G-0101 - The Home Depot ELEGRP 2 Prong to 3 Prong Grounding Adapter Plug, Outlet Extender with 2 AC Outlets (White, 1 Pack) EA0100G-0101 - The Home Depot](https://images.thdstatic.com/productImages/c0e8bf74-3752-4fa4-bb1d-1af45defdc9b/svn/white-elegrp-plug-adapters-ea0100g-0101-1f_600.jpg)
ELEGRP 2 Prong to 3 Prong Grounding Adapter Plug, Outlet Extender with 2 AC Outlets (White, 1 Pack) EA0100G-0101 - The Home Depot
![receptacle - So is my 1950s/60s era 2-prong outlet junction box grounded or not? - Home Improvement Stack Exchange receptacle - So is my 1950s/60s era 2-prong outlet junction box grounded or not? - Home Improvement Stack Exchange](https://i.stack.imgur.com/KThHP.jpg)