Wiring doorbell Question

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I am attempting to join my doorbell wire which got severed

I have noticed that when i bunch up all the wires (i.e. twist all four wires together) the doorbell works.

Is it okay to do this?

Or do I have to use a connector block to join two wires at a time?

In the end, i plan to stick all the wires in a choc box. However i am curious whether there are any alternatives to this?
 

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looks stranded to me, so wago no good.

Yes, join two wires at a time , otherwise bell will continuously ring!
 
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looks stranded to me, so wago no good.

Yes, join two wires at a time , otherwise bell will continuously ring!
Initially, i used wago 221's and the bell operated as normal.

I then decided to bunch all the wires up to see what would happen and strangely the doorbell worked as normal too.

However the transformer started humming a bit louder than expected and it got quite hot.

I chalked this up to age so i replaced the transformer. The new transformer is quiet

Any idea why the bell appears to function as normal when bunched together?

The chime i have is wired and also has a battery
 
@SFK

That's a great shout regarding the heat shrink.

What diameter is suitable for bell wire please?
 
To clear up any confusion.... are you saying that 2 wires have been severed leaving you 4 ends and you've wrapped all 4 ends together???

If so, it's shorting out the transformer and explains why it's getting very hot. Bad idea.

I can't explain why the bell still works though, it shouldn't do if the above is true.

Nozzle
 
To clear up any confusion.... are you saying that 2 wires have been severed leaving you 4 ends and you've wrapped all 4 ends together???

If so, it's shorting out the transformer and explains why it's getting very hot. Bad idea.

I can't explain why the bell still works though, it shouldn't do if the above is true.

Nozzle
Yes, i wrapped up all four wires (for experimental purposes) :D

And yes, the doorbell still worked

I wil connect two at a time and use the heat shrink as SFK suggested
 

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