BT logoed double master socket 5/1A, new in bag. Used for plugging two devices on the same line, can be used as a double extension socket if capacitor and resistor are removed.
10 PACK BT Telephone Dual PSTN Master Socket Screw Terminal Wall Plate 5/4A
BT Telephone Dual Port PSTN Master Socket Screw Terminal Wall Adapter Plate 5/4A
10 PACK BT Telephone Dual Port PSTN Master Socket IDC Terminal Wall Plate 5/1A
RJ45 to BT Type Socket PSTN Master BT Telephone Adapter T70-2211 Fusion BK4504
RJ45 PLUG to BT SOCKET MASTER PSTN NETWORK ADAPTER LAN Ethernet Telephone Line
BT Telephone Master Surface Mounted Box/Socket LJU 2/1A PSTN Single Fusion NEW
