Ring Video Doorbell

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Voltage too high from Ring plug-in adapter?
hardwired-video-doorbell
troubleshooting
Hi, I am attempting to install a new Ring Pro 2 hardwired unit. I've bought a Ring brand plug-in adapter/transformer to power it. When I plugged the adapter in and checked the voltage with a multimeter, I am getting ~50 volts AC. It should be 24 volts output, right? I am afraid to hook it up to the doorbell for fear I may damage it. Is the adapter defective, or is it normal for it to be be reading around 50 volts, though the nominal voltage is 24?

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01-03-2023 19:04:21

Responses (2)

  • J
    Hi @_donnie_a. The [Ring Plug-In Adapter 2nd Generation](https://ring.com/products/video-doorbell-plugin-adapter-gen-2) is a DC power adapter, not an AC adapter, that will work with the Pro 2. Its power output is 24VDC, 0.5A, 12.0W. I hope this information helps.

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    03-03-2023 15:31:59

    • U

      Hi Donnie, I know this is from a few years ago but did it end up working for you? I attempted the same yesterday and it trips the circuit breaker and my power goes out whenever I plug in the adapter to the wall outlet. I think too much power is being output to the wired doorbell pro. The plug-in adapter says it is compatible with the wired doorbell pro so I don't understand why this is happening. I also connected the plug-in adapter back to my first ring doorbell which is the battery doorbell pro and it has no issues. Receives power and does not trip the circuit breaker. Ring customer service told me it is not compatible with the wired doorbell pro and their website is wrong. I don't believe this to be correct either. At least, I'm hoping it's not.

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      21-11-2025 19:29:12

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