NM CID ES-3 Practice Questions - New Mexico CID ES-3 Low Voltage Special Systems (Under 50 Volts) Examination Exam

A typical door or window intrusion contact used on a perimeter zone is a:

Photoelectric beam smoke detector Magnetic reed switch with a mating magnet 70-volt matching transformer Coaxial grounding block

Correct Answer:

Magnetic reed switch with a mating magnet

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