The Valterra Mighty Cord Adapter Plug is 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.• Easily hook up the RV to campground power• 15-amp male to 30-amp female adapter• Locking receptacle• Detachable adapter with female ring• Made of durable, long-lasting PVC Molded of durable, long-lasting PVC | Valterra A10-1530DAVP Mighty Cord 15A to 30A Detachable Adapter Plug