Telephone Master Socket Brushed Chrome Knightsbridge SF7300BC Master BT type socket Screw terminals Screwless low profile design with built-in gasket Certified to BS 5733 Minimum mounting box depth: 25mm The Knightsbridge Telephone Master Socket in Brushed Chrome combines functionality with a sleek design. This master socket features a surge arrestor and an R/C circuit filter, essential for service providers to conduct line checks with a fixed value resistance. Its standard BT type socket with screw terminals ensures reliable connectivity, while the flawless screwless design enhances the aesthetic appeal of any installation. Constructed from durable 201 stainless steel, this socket is certified to BS 5733 and is suitable for a minimum mounting box depth of 25mm. With an IP rating of IP20, it is designed for indoor use, making it a perfect addition to modern homes and offices. . Gross Weight Each 0.182 kg Height 87.5 mm Width 87.5 mm Projection 4.3 mm Min. Mounting Box Depth 25 mm Construction 201 Stainless steel IP Rating IP20 Warranty 2 years