Knightsbridge SF0140MB TV/SAT Outlet Plate 1 Gang Matt BlackIdeal for TV/Coax and SAT TV/F-type connections (Isolated). Isolated outlets are for use with communal dishes and aerial installations. The isolated socket blocks interference from neighbouring installs i.e. an apartment block. Made from high quality ultra slim, premium grade material. Complete with integral gasket. Compliant to all relevant British safety standards.