1 ft. 10/4 4-Wire 30 Amp 208-Volt 5-Prong Locking NEMA L21-30P Plug to 4-Prong Locking L14-30R Receptacle Adapter Cord

Parkworld brand #60315 1 ft. 30 Amp 208-Volt NEMA L21-30P to L14-30R Power Adapter Cord. This adapter will let you connect any devices having a 30 Amp NEMA L14-30 plug to your 30 Amp NEMA L21-30 wall outlet. It has a 30 Amp 208-Volt Locking L21-30P male plug and a 30 Amp 125/250-Volt Locking L14-30R female connector. It uses UL STW 10AWG/4C stranded wire, 100% copper conductor for heavy-duty performance, the PVC jacket ensures that cable can be used in all weather conditions.