Marinco 30A 125V Weatherproof Cover with Threaded Sealing Ring for Female Plugs 103RN These weatherproof covers are constructed of heavy-duty vinyl. The 103RN will only fit on female 20 or 30 Amp connectors, and will not fit on a 20 or 30 Amp male plug. Provides a superior seal when fitted used in conjunction with a 20 or 30 Amp male plug that is using a 102N boot and a 110R sealing collar. |