British General 15A Round Pin Single Socket Switch (Assorted Colors)Twin earth fitted as standard to allow a double Earth facility for installations requiring high integrity protective connection Ref. BS 7671:2008 13A sockets manufactured to BS 1363-2, 15A sockets to BS 546 & Universal to IEC60884-1 Captive terminal screws Terminal capacity 3 x 2.5mm, 3 x 4.0mm, & 2 x 6.0mm Minimum mounting box depth 35mm Concealed fixing screws.