CAT Alarm Technician System Installation 2

Question 1

When installing a motion detector, what is the recommended mounting height for a passive infrared (PIR) sensor to achieve optimal coverage?

Accepted Answer

6 to 8 feet

Answer

PIR motion detectors are typically mounted at 6 to 8 feet to provide the best coverage pattern and minimize false alarms from pets near the floor.

Question 2

Which wire gauge is most commonly used for connecting alarm system sensors to a control panel?

Accepted Answer

18 AWG

Answer

18 AWG wire is the standard for most low-voltage alarm sensor wiring because it provides sufficient conductivity for signal transmission over typical residential distances.

Question 3

What is the purpose of an end-of-line (EOL) resistor in a supervised alarm zone?

Accepted Answer

To allow the panel to detect open or short circuit faults

Answer

An EOL resistor creates a specific resistance value that the panel monitors, allowing it to detect both open circuits (wire cut) and short circuits (wire shorted) as tamper conditions.

Question 4

A door contact is installed on an outswing door. Where should the magnet portion be placed?

Accepted Answer

On the door itself

Answer

The magnet is placed on the moving door panel while the switch body is mounted on the stationary frame, ensuring the magnet separates from the switch when the door opens.

Question 5

Which National Electrical Code (NEC) article governs the installation of fire alarm systems?

Accepted Answer

Article 760

Answer

NEC Article 760 specifically covers fire alarm systems, including wiring requirements, cable types, and installation methods for fire protective signaling systems.

(CAT) Certified Alarm Technician Level I Practice Test

(CAT) Certified Alarm Technician Level I Practice Test

CAT Alarm Technician System Installation 2