Conntek 14330 1.5-Foot Adapter 30 Amp NEMA 14-30P 4 Prong Male Plug To 30 Amp 125/250 L14-30R Volt Locking Female Connector RV Adapter 30 amp 125/250 volt Straight Blade plug 30 amp 125/250 volt Twist Lock Female Pigtail Adapter RV Camp Power