AC WORKS 1.5ft NEMA 14-50P to NEMA 14-30R 30-Amp 4-wire Single To Single Orange Basic Flexible Adapter in the Adapters & Splitters department at Lowes.com
Amazon.com: PLIS 10-30P to 6-50R Heavy Duty Generator Adapter,30 Amp Dryer Male Plug to 50 Amp Adapter,STW 10AWG*3C Generator Cord,3Prong,Yellow,1.5FT : Patio, Lawn & Garden
ONETAK NEMA 10-30P to 14-50R 240V 30 Amp 3 Prong Dryer Male Plug to 4 Prong Generator Female Outlet Receptacle EV Charger Compatible Te