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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.
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.
Roy Pollack, CPP, SET, holds Level IV certification in the field of fire alarms from NICET is currently the director of Compliance for Devcon Security Services Corp., Hollywood, Fla., and may be reached at sdmtechtips@bnpmedia.com.
