Phone Extension Cord Wiring Diagram. The VoIP Lounge Replacement 25 Foot Long White Handset Curly Cord for ATT Phone. Speaker wire usually has 2 insulated wires bonded together so youll need a third for the ground.
Cat-3 or cat-5 cable. They are typically green red black and yellow. Avoid tight bends of less than 2-in.
Blue wire to red terminal.
This telephone wiring diagram with photos and instructions will show you the direct steps to correctly wiring a telephone jack. Replacing a plug is an easy job that takes only a few minutes. Clamp cables to framing with nylon cable straps lightly secured around the cables and screwed to the framing. White-with-blue-stripe wire to green terminal.