BG Nexus 822RCD - 2 Gang Twin RCD Protected 13 Amp Switched Plug Socket Slimline. Conforms to BS 7288:1990 This socket switch combo is made of high-quality plastic material. It is a double gang socket with twin RCD protected 13 amp switched plugs, making it a safe and reliable choice. Ideal around the home or in a garage or garden setting to protect against mishaps with gardening tools such as lawn mowers and hedge trimmers.