RJ14 JACK WIRING
How to Wire a Phone Jack (Voice or Telephone RJ-11 thru RJ-14)
How to Wire a Phone Jack (Voice or Telephone RJ-11 thru RJ-14) (USOC Wiring Diagram) Telephone wiring for a phone outlet is typically either 1, 2 or 3 pairs (2, 4, or 6 conductor). Most cable nowadays is UTP (unshielded twisted pair). There may be instances where you may need to connect to or transpose from the old "quad" cable.
RJ-11, RJ-14, and RJ-25 Modular Jack Wiring
Apr 16, 2018RJ-11, RJ-14, and RJ-25 Modular Jack Wiring *RJ14 is used for two telephone lines. When only the lines are wired, it uses a 6P4C connector, with power a 6P6C connector is used. *RJ25 is the interface for three telephone lines. It uses all six pins of a 6P6C connector.