AC WORKS 10ft Super-Duty L5-30 Cord 10-ft 8 / 3-Prong Indoor/Outdoor Soow Super Heavy Duty Locking Extension Cord in the Extension Cords department at Lowes.com
DuroMax XPC12100C 100' 12/3-Gauge Triple Tap Heavy-Duty Extension Power Cord
25 FT. HEAVY DUTY EXTENSION CORD – Sullivan Supply, Inc.
DuroMax 100-ft 12 / 1 3-Prong Outdoor Heavy Duty Lighted Extension Cord in the Extension Cords department at Lowes.com
Woods 50 ft. 14/3 SJTW Multi-Outlet (3) Outdoor Heavy-Duty Extension Cord, Orange 826 - The Home Depot
Tripp Lite Heavy-Duty Power Extension Cord, 30A, 10 AWG (NEMA L6-30P to NEMA L6-30R), Locking Connectors, 14 ft. - power - P041-014 - Power Cables - CDW.com
Firman 25' 3-Outlet Heavy Duty Extension Cord | HSN
3ft Waterproof Outdoor Extension Cord 12/3 SJTW Heavy Duty Power Black - BN-LINK