Q: I have some equipment cabinets that I want to secure against any sort of cutting, drilling or tampering. Do you have any suggestions on how to secure this equipment?
A: Yes, I can think of one device that you might want to try. It is a UL-listed vibration sensor made by General Electric and designed for metal enclosures. The number of the sensor is 5402/5422.
Q: I have a customer that has asked me to retrofit overhead door contacts to their existing alarm system. Do you have any suggestions on an easy cost-effective way to connecting this alarm circuit control?
A: Many overhead door controllers come with delayed auxiliary relay and power outputs. Look at a way to connect a relay (might be a 110VAC relay) to shunt (short) out and bypass the overhead door contact alarm circuit only while the door is opened from the controller. You may need to extend the delay setting on the overhead door controller to give the customer time to close the door after they enter the garage. If anyone were to manually try and open the garage door, the alarm would activate.
In order to minimize false alarms, make sure to explain to the customer that this configuration is only used when parking their car in the garage. If door is left open after the door controller light delay time has expired, a false alarm will occur and penalty fines might incur.
