4/2A + BACK BOX Double Telephone Socket Extension BT Line Jack Unit

Single gang size (86mm x 86mm)double socket BT type faceplate. Two separate sockets for 2 incoming lines or joining 1 line to two sockets to act as a line splitter. As an extension socket, you can either run 2 lines to it, 1 to each socket, or run 1 line then link between the 2 sockets to use like a doubler.

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