GE 3-Outlet Extender, Grounded Wall Tap, Adapter Spaced, 3-Prong, Multiple Plug, Power Splitter, Cruise Essentials, Use for Home Office School Dorm, UL Listed, White, 52203 - Electrical Multi Outlets - Amazon.com
Project Source Adapter 15-Amp 3-wire Grounding Single To Triple Green Basic Standard Adapter in the Adapters & Splitters department at Lowes.com