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What’s Wrong With This?
The photo above shows some basic problems. Can you identify them? HINT: The device is a UL-listed safe vibration device mounted on the side of a jewelry store safe.
Answer to: What’s Wrong With This?
1. The end-of-line resistor is not installed at the device (end of line). 2. The tamper switch is not connected to the control panel. 3. Bare wire is exposed at the terminals.