Leviton Dual Telephone Wall Plate White Modular RJ11 RJ-11 6P4C 4 Conductor White Duplex Audio Signal Data Line Cord Plug, 2 Outlets, Part # C0254-W, C0254W
Flush mount, twin outlet modular jack and plate. Fits all standard modular phones. Permits connection of two phone or phone / answering machine combination. Installs in standard electrical box, to replace existing flush mount jack or add new jack.
Instructions:
Single line Wiring:
Dual Line Wiring: