Amazon.com: 30 Amp 4 Prong Dryer Cord 6 FT Black, 10/4 Gauge Appliance Dryer Power Cord NEMA 14-30P to 4-Wire, Pure Copper Wire, ETL Listed POWGRN : Appliances
AC WORKS 100ft NEMA L14-30P to NEMA SS2-50R 100-ft 10 / 4-Prong Indoor/Outdoor Soow Heavy Duty Locking Extension Cord in the Extension Cords department at Lowes.com
30 AMP Replacement 4-Prong Locking Female and Male Power Cord Ends NEMA L14- 30
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