Practice Test Geeks(CAT) Certified Alarm Technician Practice Test
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Knowledge and Skills Flashcards

7 cards from real CAT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Knowledge and Skills flashcards as text

  1. A technician is installing a carbon monoxide (CO) detector. At what height should it typically be mounted per manufacturer guidelines?

    Answer: At breathing height (approximately 5 feet) or as specified by the manufacturer

    CO is approximately the same weight as air, so mounting at breathing height (about 5 ft) is standard, though manufacturers may have specific requirements.

  2. Which of the following best describes a 'contact ID' format in alarm communications?

    Answer: A standardized digital protocol used to transmit alarm event codes from a panel to a central station

    Contact ID is an industry-standard communication protocol that encodes alarm events as DTMF tones sent over phone or IP paths to central stations.

  3. What is the primary reason for using shielded cable on alarm system wiring in commercial environments?

    Answer: To reduce electromagnetic interference (EMI) from nearby electrical equipment

    The foil or braid shield in shielded cable provides a Faraday cage effect that minimizes EMI pickup, which is common near motors, HVAC, and lighting equipment.

  4. When programming a new alarm system, what information must the technician verify is correctly entered for central station communication?

    Answer: Account number, central station phone/IP address, and communication format

    The panel must have the correct account number and communication path to ensure alarm signals are received and matched to the correct customer account.

  5. What does UL listing indicate about an alarm system component?

    Answer: The product has been tested and certified by Underwriters Laboratories to meet specific performance standards

    A UL listing means an independent third-party laboratory has tested the product and confirmed it meets defined safety and performance criteria.

  6. A door contact is installed on a metal door frame. The technician notices frequent false alarms on that zone. What is the most likely cause?

    Answer: Metal frame vibration or misalignment causing the magnet gap to exceed the contact's operating range

    Metal doors and frames can vibrate or shift, causing the magnet gap to momentarily exceed the contact's specified operating gap and triggering the zone.

  7. Which practice best reduces the risk of a nuisance alarm when commissioning a newly installed fire alarm system?

    Answer: Conducting a pre-acceptance test with the AHJ, cleaning all detectors, and verifying no construction dust or debris is present

    Coordinating with the Authority Having Jurisdiction (AHJ), ensuring site cleanliness, and proper pre-acceptance testing minimizes nuisance alarms at commissioning.