AC WORKS AC Connectors 1.5 ft. 10/4 30 Amp 4-Prong Dryer Plug to L14-30R 4- Prong 30 Amp Generator Locking Female S1430L1430-018 - The Home Depot
Amazon.com: TOPDC 4 Prong Dryer Cord, 30 AMP Appliance Power Cord 5 Feet, Wires in 4 Colors with O Ring Terminal Connectors, Pure Copper Wire : Tools & Home Improvement
4 Prong Electric Dryer Receptacle – Star Supply USA
How to Wire a 4-Prong Receptacle for a Dryer
cord and plug - White wire when changing from 4 prong to 3 on dryer - Home Improvement Stack Exchange