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Phone Wiring Diagram Junction Box. To make the wire connections loosen each terminal screw with a screwdriver. Bt Telephone Junction Box Wiring Diagram.
Bt Telephone Junction Box Wiring Diagram. The Green Telephone Wire. If you like a post or want to say thanks for a helpful answer please click on the Ratings Thumbs.
In the vast majority of cases the other two wires go.
Line 1 primary phone line. Therell be main lines that are represented by L1 L2 L3 and so on. The wiring or home telephone service also known as POTS or Analog is fairly simple. In some boxes they are exposed when you open the main customer access cover but in other boxes they each have their own mini-cover.