Ring Battery Doorbell mounted on a brightly painted, modern home.

Wiring diagrams for battery doorbells

Use wiring diagrams to connect battery-powered doorbells to existing internal doorbell chimes and transformers.

Wiring diagrams for wired doorbells

View wiring diagrams for wired-powered Video Doorbells.

Wiring diagrams for battery-powered doorbells

Make sure to use an AC (alternating current) transformer that is compatible with your internal doorbell chime and Ring doorbell. Learn more about compatible internal doorbell chimes.

Internal doorbell chime terminal guide:

  • Trans = Transformer connection
  • FRONT = Front (or primary) doorbell connection
  • REAR = Back (or secondary) doorbell connection


Wiring one Ring doorbell

One doorbell to one internal doorbell chime

  • One doorbell wire is directly connected to your
    transformer
    . One wire from your
    transformer
    is connected to the
    TRANS
    (transformer) terminal screw on your internal doorbell.
  • The second doorbell wire is connected to the
    FRONT
    terminal screw on your internal doorbell.
Illustration showing how to wire one battery powered doorbell with one transformer and one in-home chime.


One doorbell to two internal doorbell chimes

  • One doorbell wire is directly connected to your
    transformer
    . One wire from your
    transformer
    is connected to the
    TRANS
    (transformer) terminal screw on one of your internal doorbells.
  • The
    TRANS
    wire will be connected to the
    TRANS
    terminal on any other internal doorbell chimes in your home.
  • The second doorbell wire is connected to the
    FRONT
    terminal screw on one of your internal doorbells.
  • The
    FRONT
    wire will be connected to the
    FRONT
    terminal on any other internal doorbell chimes in your home.
Illustration showing how to wire one battery powered doorbell to one transformer with two in-home chimes.


One doorbell to three internal doorbell chimes

  • One doorbell wire is directly connected to your
    transformer
    . One wire from your
    transformer
    is connected to the
    TRANS
    (transformer) terminal screw on one of your internal doorbells.
  • The
    TRANS
    wire will be connected to the
    TRANS
    terminal on any other internal doorbell chimes in your home.
  • The second doorbell wire is connected to the
    FRONT
    terminal screw on one of your internal doorbells.
  • The
    FRONT
    wire is connected to the
    FRONT
    terminal on any other internal doorbell chimes in your home.
Illustration showing how to wire one battery powered doorbell with one transformer to three in-home chimes.


One doorbell directly to a transformer with resistor

This set up is only applicable for Video Doorbell (1st Gen) and Video Doorbell 2. For other doorbells, you do not need a resistor. However, you will need to update the in-app settings for Chime Type to None.

  • One doorbell wire is directly connected to your
    transformer
    .
  • The second doorbell wire is connected to a
    resistor
    . The other end of the wire is connected to the unused terminal screw on your
    transformer
    .
  • Resistor requirements:
    25 OHM / 50W.
Illustration showing how to wire one doorbell directly to a transformer using a resistor.


Wiring two Ring doorbells

Two doorbells to one internal doorbell chime

  • One doorbell wire from each Ring doorbell is directly connected to your
    transformer
    using the same terminal screw. The wire from your
    transformer
    is connected to the
    TRANS
    (transformer) terminal screw on your internal doorbell.
  • The second doorbell wire on one Ring doorbell is connected to the
    FRONT
    terminal screw on your internal doorbell.
  • The second doorbell wire on the second Ring doorbell is connected to the
    REAR
    terminal screw on your internal doorbell.
Illustration showing how to wire two doorbells with one transformer to one in-home chime.


One battery doorbell and one Video Doorbell Plus/Pro to one internal doorbell chime

  • One doorbell wire from each Ring doorbell is directly connected to your
    transformer
    using the same terminal screw. The wire from your
    transformer
    is connected to the
    TRANS
    (transformer) terminal screw on your internal doorbell.
  • The second doorbell wire on one Ring doorbell is connected to the
    FRONT
    terminal screw on your internal doorbell.
  • The second doorbell wire on the second Ring doorbell is connected to the
    REAR
    terminal screw on your internal doorbell.
  • The Pro Power Kit wires connect to the
    TRANS
    and either
    FRONT
    or
    REAR
    (correlate to where your Video Doorbell Plus/Pro is connected) terminal screws on your internal doorbell.
Illustration showing how to wire one battery powered doorbell and one Video Doorbell Pro or Plus to one transformer with one in-home chime.


One battery doorbell and one Wired Doorbell Plus/Pro to two internal doorbell chimes

  • One doorbell wire from each Ring doorbell is directly connected to your
    transformer
    using the same terminal screw. The wire from your
    transformer
    is connected to the
    TRANS
    (transformer) terminal screw on one of your internal doorbells.
  • The
    TRANS
    wire will be connected to the
    TRANS
    terminal on any other internal doorbell chimes in your home.
  • The second doorbell wire on one Ring doorbell is connected to the
    FRONT
    terminal screw on your internal doorbell.
  • The
    FRONT
    wire is connected to the
    FRONT
    terminal on any other internal doorbell chimes in your home.
  • The second doorbell wire on the second Ring doorbell is connected to the
    REAR
    terminal screw on one of your internal doorbells.
  • The
    REAR
    wire is connected to the
    REAR
    terminal on any other internal doorbell chimes in your home.
  • The Pro Power Kit wires connect to the
    TRANS
    and either
    FRONT
    or
    REAR
    (correlate to where your Video Doorbell Plus/Pro is connected) terminal screws on your internal doorbell.
Illustration showing how to wire one battery powered doorbell and one Wired Doorbell Plus or Pro to one transformer with two in-home chimes.


One doorbell and one Wired Doorbell Plus/Pro to three internal doorbell chimes

  • One doorbell wire from each Ring doorbell is directly connected to your
    transformer
    using the same terminal screw. The wire from your
    transformer
    is connected to the
    TRANS
    (transformer) terminal screw on one of your internal doorbells.
  • The
    TRANS
    wire will be connected to the
    TRANS
    terminal on any other internal doorbell chimes in your home.
  • The second doorbell wire on one Ring doorbell is connected to the
    FRONT
    terminal screw on your internal doorbell.
  • The
    FRONT
    wire is connected to the
    FRONT
    terminal on any other internal doorbell chimes in your home.
  • The second doorbell wire on the second Ring doorbell is connected to the
    REAR
    terminal screw on one of your internal doorbells.
  • The
    REAR
    wire is connected to the
    REAR
    terminal on any other internal doorbell chimes in your home.
  • The Pro Power Kit wires connect to the
    TRANS
    and either
    FRONT
    or
    REAR
    (correlate to where your Video Doorbell Plus/Pro is connected) terminal screws on your internal doorbell.
Illustration showing how to wire one battery powered doorbell and one Wired Doorbell Plus or Pro to one transformer with three in-home chimes.

Last updated 2 days ago