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57 minutes ago, Jack b said:

Does anyone know how an anti drill tamper works and how i could make one myself?

 

A bell with plastic lid can a have pcb with track which forms a 24hr circuit like cc wiring

 

A metal bell can a have circuit made between inner & outer cover which is completed by the drill bit

 

Edited by MrHappy
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Mr th2.jpg Veritas God

7 hours ago, MrHappy said:

 

A bell with plastic lid can a have pcb with track which forms a 24hr circuit like cc wiring

 

A metal bell can a have circuit made between inner & outer cover which is completed by the drill bit

 

Can any of these be easily made?

I recall removing a few older bells that have a wired lug attached to one of the rear bell box back plate screws (would be protection against the bell being ripped off the wall)

The wiring was linked to the tamper circuit.

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