3-WAY EXTENSION CORD ADAPTER - L & W Specialty Products LLC
Amazon.com: 3 Way Power Splitter and 6' Extension Cord, 3 Pack – Angled Plug (1, 6 Foot) : Electronics
Triple Tap Adaptor Plug with CordLock Collar - Fourman Industries
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
25 ft. 14/3 Orange Medium Duty Extension Cord 63025 - The Home Depot
Amazon.com: L5-30/TT-30/L14-30 to Triple 5-20R Generator Power Cord Adapter, by Journeyman Pro | 30A to 20A/15amp /110V 3-Way Splitter | 3-Prong RV Distribution Cords (L5-30P) : Automotive
HDX 28 ft. 16/3 3-Outlet Multi-Directional Outdoor Extension Cord KAB-213Y - The Home Depot