12/3 Outdoor Extension Cord with Multi Outlets, Heavy Duty Flexible Waterproof Power Extension Cable Cords with 3 Prong Grounded Plug for Safety, 15AMP 12AWG 1875W SJTW UL Listed (3 FT) - Newegg.com
Utilitech 2-ft 12 / 3-Prong Outdoor Stw Heavy Duty Lighted Extension Cord in the Extension Cords department at Lowes.com
3ft Power Extension Cord - Rotating Plug - Computer Power Cables - External | Cables | StarTech.com