The Valterra A10-1530DA Mighty Cord Adapter Plug is a detachable RV adapter plug for use in adapting 15-amp power for use with 30-amp trailers. Detachable female receptacle with ring makes hooking up the RV to campground power easy and convenient. Molded of durable, long-lasting PVC.• 15-amp male to 30-amp female locking receptacle• Detachable adapter with female ring Detachable female receptacle with ring for easy, convenient hookup Molded of durable, long-lasting PVC | Valterra A10-1530DA Mighty Cord 15A to 30A Detachable Adapter Plug