Insignia™ 10' 3-Outlet Extension Power Cord Black NS-HW308 - Best Buy
GENERAL ELECTRIC 3-Outlet Grounded Extension Cord, Braided, 1 Feet, Indoor, Gray/White - Walmart.com
Electes 20 Feet Heavy Duty Extension Cord / Wire , Multi 3 Outlet , 3 Prong Grounded , Angled Flat Plug , 16/3 , SPT3 , UL Listed , White - Amazon.com
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