How to Connect Your Ring Video Doorbell 3 Directly to a Low Voltage Transformer (Without a Pre-existing Doorbell)

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

Note: Some important facts for people planning on using this optional alternate configuration for their Ring Video Doorbell 3. 

  • The Ring 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 the Ring 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.

 

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