Removing Doorbell Transformer

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  #1  
Old 07-01-19, 04:20 PM
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Question Removing Doorbell Transformer

Hello DIYers,

So, I've replaced traditional wired door bell by a nice tiny wireless (Bluetooth) doorbell. It works GREAT.

Now I want to completely get rid of old door bell system permanently. How can I get rid of the doorbell transformer (located in my basement ceiling) safely?

I suppose it has 1 AC wire incoming and 2 wires outgoing - one to the bell chime and the other one to the doorbell button outside.
Should I just disconnect 2 outgoing low-voltage wires, remove the transformer and leave the AC wire as is? Any way to deactivate that AC wire? I'm not sure and I want to do it safely and appropriately. Also once that's done, can I just pull off the 2 wires? I want to fill the tiny hole caused by the door bell button and before I do that I want to take the wires out completely altogether. Can/Should I do that? Please advice.

Looking for your response. Thank you.
 
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Old 07-01-19, 05:48 PM
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Disconnect the the two AC wires. Once that is done you do what ever you like with the dead low voltage wires and holes left by them.
 
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Old 07-01-19, 06:10 PM
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Technology is changing so I'd leave things as is. There are a bunch of others that are trying to figure out how to wire to their door bell button. (Nest Hello and Ring come to mind)

To deactivate the AC you need to find out where it is coming from and then disconnect the wires there. Tracing the cable back to its source can be a pain. Lots of times the box where the transformer is mounted is a junction so can't be removed.

If you want to get rid of the transformer you need to first cut power to the circuit feeding it - trial and error at your electrical panel. Once that is done you can disconnect and remove the transformer. Cap the AC wires (wire nuts) and put a cover over the box hole.
 
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Old 07-01-19, 06:23 PM
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I agree 100%. Don't cut the low voltage wires especially at the button. Push them back into the hole and put your wireless button over it. This way you can always go back.

Unless the chime is a complete eyesore...... leave it as it is. If it needs to be removed.... push the wires just into the hole. Remove the low voltage wires from the transformer and then disconnect and remove the transformer.
 
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Old 07-02-19, 04:41 AM
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Will it be ok/safe if I do this?

1) Turn off the home power
2) Disconnect 2 low voltage wires
3) Disconnect the AC wire
4) Remove transformer
5) Wrap electric tape to the bare end of the AC wire and just leave AS IS
6) Pull out 2 low-voltage wires from the button and chime or just leave them as is b/c they are disconnected from both sides anyways.

Does that make sense? Thanks.
 
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Old 07-02-19, 05:02 AM
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5) Wrap electric tape to the bare end of the AC wire and just leave AS IS
The AC supply wires should have a wire nut on each wire.
 
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Old 07-04-19, 09:33 AM
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Oh ok, thanks Joed.
So then after removing the transformer, I can just have each AC wire capped off in that wire nut individually and leave them as IS?

Other than that, all my 6 steps seem fine? Thanks.
 
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Old 07-04-19, 09:40 AM
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The transformer was attached to an electrical box ?
The wires should be wire nutted or taped inside the box.

If it wasn't installed onto an electrical box.... where was it ?
Everything else in your list is ok.
 
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Old 07-04-19, 10:04 AM
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The transformer is located on the ceiling in the basement - near a smoke detector. Please see the attached image. I haven't open it yet, so don't know what would be inside.

One more question: In the image, can I just disconnect 2 low voltage wires and can leave everything as is (NOT removing the transformer)?

Name:  Doorbell_Transformer.jpg
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Last edited by PJmax; 07-04-19 at 10:15 AM. Reason: added pic from link
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Old 07-04-19, 10:16 AM
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Certainly. disconnecting the low voltage and leaving the transformer in place is just fine.
Very minimal current draw leaving it connected.
 
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Old 07-04-19, 10:31 AM
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Alright then, it will be quick and easy. So I will...

1) Turn off the home power
2) Disconnect 2 thin low voltage wires - Red & White in the image
3) If possible, maybe I'll try to pull out 2 low-voltage wires from the button and chime and if not then just leave them as is b/c they are disconnected from both sides anyways.

LMK if you think I'd do anything further to keep it safe. Thank you very much.
 
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Old 07-04-19, 10:39 AM
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Once you remove the two wires from the transformer...... the circuit is 100% safe and dead.
 
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