Ring Video Doorbell 3 on a modern home's front door.

How to Connect Video Doorbell 3 to a Low Voltage Transformer

If you don't have an existing doorbell, it's possible to connect Video Doorbell 3 directly to a low voltage 8-24V AC transformer designed for doorbell circuits.

  • Video Doorbell 3 may be connected to an AC transformer. DC is
    not
     supported. The voltage rating must be in the range of 8 to 24VAC, with a maximum VA rating of 40VA.
  • Connecting Video Doorbell 3 to an AC transformer requires some knowledge of wiring. If you are uncomfortable reading wiring diagrams and hooking up wires, consult a licensed electrician for assistance.
  • Do not use halogen or garden-lighting transformers.
  • Do NOT install a diode.

To see a wiring diagram for one, doorbell and one transformer, click here.

Last updated 7 months ago