Telephone Socket

The master socket contain a surge arrestor and an R/C circuit filter these are used by your service provider to get a fixed value resistance whe...

Secondary or extension telephone socket are used to run additional points of the original master socket. Standard BT type socket with screw type...

Secondary or extension telephone socket are used to run additional points of the original master socket. Standard BT type socket with screw type te...

The master socket contain a surge arrestor and an R/C circuit filter these are used by your service provider to get a fixed value resistance when t...