BT Socket, Secondary LJU2/3A
PRODUCT CODE: SMBTSE
Secondary (also known as slave) BT socket, LJU2/3A. Used for extension wiring on a standard BT telephone line. Some PBX systems also require the use of secondary sockets. Supplied with back box. IDC termination, a tool to install wiring to IDC terminals can be found HERE. Dimensions (L) 68mm x (W) 68mm x (H) 29mm.