Doorbell – sound mechanism




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Doorbell – sound mechanism
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Installation of a doorbell in an apartment : Doorbell Sound Mechanism

Quote from Article entitled Installation of a doorbell in an apartment:

Bell button consists of two contacts, one of which is spring-loaded. When you press it the contact presses it again, the circuit is closed and the mechanism rings. When you release there is contact break.

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Photo Gallery of the Installation of a doorbell in an apartment

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