BT Dropwire External Cable

The BT Dropwire External Cable (The cable coming in from the telegraph pole) This cable often has Orange, White, Green and Black wires. Usually (but not always) Orange and White are the active pair and go to connections 2 and 5 in the master socket. In some master boxes (such as the type with a […] read more

On June 5th, 2016, posted in: external telephone cable, telephone cable by