L5-30P to Triple 5-15R Generator Power Cord Adapter | 30A to 15A/110V – Journeyman-Pro
L6-20P 3-Pin Male Twist Lock 220/250V Plug To L5-20R 3-Prong Female Twist Lock 110/125V Receptacle Socket Outlet Adapter, Electrical Power Cord Convert, NEMA FX711-2 - Amazon.com
Gen RV 30 Amp to 15 Amp Tri-Outlet 3-Prong Generator Power Cord, 10 Gauge Heavy Duty L5-30 to 3X 5-15R Up to 3750W - Leisure RV Parts
3-Prong 15A to Twist-Lock 50A RV Power Adapter 1.5 Feet (NEMA 5-15P to SS2-50R)
AOWEITOUR RV 30 Amp to 110 Adapter Generator Power Cord, 3 Prong 30 Am – aoweitour
AC WORKS 25ft Super-Duty L5-30 Cord 25-ft 8 / 3-Prong Indoor/Outdoor Soow Super Heavy Duty Locking Extension Cord in the Extension Cords department at Lowes.com