Southwire 2 ft. 12/3 STW Multi-Outlet (3) Outdoor Heavy-Duty Adapter Extension Cord, Yellow 4112SW8802 - The Home Depot
USW 12/3 Twist to Lock Multi Outlet Adapter 3-ft 12 / 3-Prong Indoor/Outdoor Sjtw Heavy Duty General Extension Cord in the Extension Cords department at Lowes.com
Philips Home Power Outdoor 3 AC Grounded Outlet Adapter Orange SPS163OR/37 New | eBay
Wyze Plug Outdoor | Best Wi-Fi Outdoor Electrical Outlet & Smart Plug – Wyze Labs, Inc.
Kasonic 3-Outlet Wall Plug Adapter, Indoor/Outdoor Use, UL Listed, Heavy Duty Multi Outlet Power Extender, Safe Cover and All Weather Resistant for Home, Office, Garage, Patio (1 PACK) - Amazon.com
GE 3-Outlet Extender, T-Shaped Adapter Spaced, Outdoor Rated, Grounded Wall Tap, 3-Prong, Multiple Plug, Power Splitter, Cruise Essentials, Use for Home Office School Dorm Garage, Black, 50872 - Amazon.com
ProX XC-P143-10 Triple Tap Adapter 10FT 110v to 110v Female Power Cord 14AWG | Reverb
Amazon.com: Maxxima Heavy Duty 3 Grounded Multi Outlet Adapter - Wall Plug Extender, Turns 1 Outlet into 3, Ideal for Garage, Workspace, and Indoor Use, Orange Adapter - Pack of 4 : Tools & Home Improvement