Manufacturer Base 20 Amp 125 Volt NEMA 5-20 Heavy Duty Appliance Extension Cord Custom Long Power Cords UL Listed - Cablesgo
Yellow Jacket 2991 125V 20 Amp 2500W 50 ft. 10/3 SJTW Heavy-Duty Extension Cord with Lighted T-Blade Plug - Walmart.com
Tripp Lite Heavy-Duty Power Extension Cord with 20 AMP Breaker, 20A, 10AWG (NEMA L5-30P to NEMA L5-20R) 2-ft.(P043-002): Amazon.co.uk: Electronics & Photo
20m double socket heavy duty 13amp 2 5mm cable extension lead
Utilitech 9-ft 12 / 3-Prong Indoor Spt-3 Heavy Duty General Extension Cord in the Extension Cords department at Lowes.com