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What is this? It's inside a closet up high on the wall. On the other side of the wall is my doorbell chime but they don't line up, they're a few inches off. Is this part of it or something else?

it looks like there's a metal circle part with a metal box on it, that has a red and black wire attached

it looks like there's a metal circle part with a metal box on it, that has a red and black wire attached

1 Answer 1

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It is the transformer that powers the doorbell.

It takes 120 volts and turns it into around 12 to 18 volt DC.

Doorbells do not need much power and is quite a bit better than having 120 volts in the rain if something happens.

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