DEWENWILS 3 FT GFCI Extension Cord, Outdoor/Indoor Automatic 12/3 Gauge SJTW 15 Amp Tri-Tap Power Cord, Black - Walmart.com
Bergen Industries 100 ft. 12/3 SJTW 15 Amp/125-Volt Outdoor Triple Tap Extension Cord, Yellow OC1001233T - The Home Depot
Tripp Lite 3ft Power Cord Extension Cable 5-15P to 5-15R Heavy Duty 15A 14AWG 3' - power extension cable - NEMA 5-15 to - P024-003 - Power Cables - CDW.com
Single Tap Cold Weather Extension Cord 25 FT | 769753 | ElecDirect
Tripp Lite Heavy-Duty Power Extension Cord, 15A, 14 AWG, IEC-320 (P036-006- 15A)
Hospital Grade Extension Cord, HGN5-15P to N5-15R, 15 amp, 15 FT