Back Door Alert?

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ultramegabob

Senior Member
Location
Indiana
I have a customer that owns a restaurant that wants me to install a loud chime or buzzer that comes on anytime the back door is opened but has to have a key or some other way to shut if off (this is to assure that a manager comes to look and see what is going out the back door). I am sure that I can build something to work with a set of magnetic contacts a relay and a keyed switch, but I was wondering if there is a complete unit already made up for this, any input is appreciated...
 

hillbilly1

Senior Member
Location
North Georgia mountains
Occupation
Owner/electrical contractor
Did something simular for a high end clothing store, they wanted to know if anybody was going into the stockroom after a certain time of day. Designed and built it myself though, which doesn't help you.
 
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