ML Knightsbridge's curved edge CU9904 white plastic range features a gently contoured 7mm profile with softly rounded edges and anti-microbial properties for a truly modern range of switches and sockets that doesn't compromise on function. 2 gang switched socket with 2x USB port Rating: 13A - USB Rating: 3.1A 5V DC Shared Minimum back box depth: 35mm Terminal capacity: 3 x 2.5mm or 2 x 4.