Old Style Dryer 10-30P 3-Pin Male 220/250V Plug To New Style Dryer 14-30R 220/250V 4-Prong Female Receptacle Socket Outlet Adapter, Electrical Power Connector Cord Convert NEMA UL-FX1107-D - Walmart.com
AC WORKS 4-Prong 220-Volt Plug to 120-Volt 15/ 20Amp Household Female Adapter Cord (4-Prong Dryer Outlet to (4) Household) - Amazon.com
Amazon.com: Rophor Dryer Extension Cord 4 Prong, 30 Amp NEMA 14-30P to 14-30R Extension Cord for Dryer Power Extension and EV Charging, 125V/250V, 10 Feet : Tools & Home Improvement
AC WORKS 3-Prong 50A Dryer/Range Plug to 4-Prong Dryer Female Connector Adapter S10501430-018 - The Home Depot
iMeshbean® Welder Extension Power Cord 25/50 FT 220 Volt 50 Amp 8/3 NEMA 6-50P for MIG TIG Plasma Welding Heavy Duty (Welder Adapter 14-50P 50A 4- Prong Plug to 6-50R with Handle) - Amazon.com
Journeyman-Pro Dryer Adapter Cord 3 to 4 Prong Plug | NEMA 10-30P Male to 14-30R Female | 30A, 250V, 1.5FT, Old Style Wall Outlet (3 Prong Male to 4 Prong Female w/Ground) - Walmart.com
Amazon.com: Iron Forge Cable 4 Prong Range Cord 12 Ft - 50 Amp Extension Cord 12 Foot, NEMA 14-50 Plug, 6/8 Range & Stove Cord 4 Prong STW, 125V/250V, 12500 Watt. Great
Power Cord Adapter; Mighty Cord ™; 4 Prong To Two 30 Amp Female; 30 Am – The RV Parts House
Shop 25 Ft Heavy Duty Welder Extension Cord I Eastwood Auto
4 Prong 220 Volt 30 Amp NEMA 14-30P to 14-30R extension cable (4 foot) FX312.
Utilitech 6-ft 4-Prong Black Range Appliance Power Cord in the Appliance Power Cords department at Lowes.com
AC WORKS 4-Prong 220-Volt Plug to 120-Volt 15/ 20Amp Household Female Adapter Cord (4-Prong Dryer Outlet to Household W/Breaker) - Amazon.com
AC WORKS 1.5 ft. 14-30P 30 Amp 4-Prong Dryer Plug to 30 Amp RV 10/3 Extension Cord Adapter RV1430TT-018 - The Home Depot
AC WORKS 1.5ft NEMA 10-30P to NEMA 14-30R 30-Amp 3-wire To 4-wire Grounding Single To Single Black Basic Flexible Adapter in the Adapters & Splitters department at Lowes.com