CT Burglar Alarm Systems
Contractor Exam Questions And
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A| Instant
Download Pdf
1. What is the primary purpose of a burglar alarm system?
A) Monitor temperature changes
B) Detect unauthorized entry
C) Control lighting
D) Measure humidity
Answer: B
Rationale: Burglar alarm systems are designed to detect unauthorized
entry into a protected area and alert the property owner or monitoring
service.
2. Which type of burglar alarm sensor is activated by breaking of glass?
A) Motion detector
B) Magnetic contact
C) Glass break detector
D) Smoke detector
Answer: C
Rationale: Glass break detectors sense the sound frequency or
vibration of breaking glass and trigger an alarm.
3. In a residential alarm system, what is the most common location for
door contacts?
A) On the floor
B) On the door frame and door edge
C) On the ceiling
D) On the windowsill
, Answer: B
Rationale: Door contacts are typically installed on the door frame and
edge to detect opening.
4. What is the main function of a control panel in a burglar alarm system?
A) Generate sound
B) Power the sensors
C) Process signals from sensors and trigger alarms
D) Provide network access
Answer: C
Rationale: The control panel acts as the central processing unit,
monitoring sensor inputs and activating alarms when necessary.
5. Which type of alarm signaling uses telephone lines to notify a
monitoring station?
A) Radio frequency
B) Cellular
C) PSTN (Public Switched Telephone Network)
D) Internet
Answer: C
Rationale: PSTN signaling uses existing telephone lines to
communicate alarm events to a monitoring station.
6. What is the purpose of a keypad in a burglar alarm system?
A) Sound the siren
B) Arm or disarm the system
C) Detect motion
D) Connect to the internet
Answer: B
Rationale: Keypads allow authorized users to arm or disarm the
system using a security code.
7. Which sensor is most effective for detecting movement inside a
building?
A) Magnetic contact
B) Passive infrared (PIR) sensor
C) Glass break detector
D) Smoke detector
Answer: B
Rationale: PIR sensors detect infrared energy emitted by moving
objects, typically humans, inside a protected area.
, 8. What type of alarm is specifically designed to alert occupants without
notifying a monitoring station?
A) Local alarm
B) Remote alarm
C) Audible alarm
D) Central station alarm
Answer: C
Rationale: Audible alarms produce sound on-site to alert occupants
but do not send signals off-site.
9. A tamper switch in a control panel is used to:
A) Prevent false alarms from pets
B) Detect unauthorized access to the panel
C) Monitor humidity
D) Extend battery life
Answer: B
Rationale: Tamper switches trigger an alarm if the control panel or
enclosure is opened without authorization.
10. Which standard is commonly referenced for the installation of
burglar alarm systems?
A) NEC 500
B) ISO 9001
C) NFPA 731 / UL 681
D) IEC 61000
Answer: C
Rationale: NFPA 731 and UL 681 provide standards and guidelines
for residential and commercial burglar alarm systems.
11. Which type of alarm communication uses a cellular network?
A) PSTN
B) GSM / Cellular
C) Ethernet
D) Coaxial
Answer: B
Rationale: Cellular systems use mobile networks to transmit alarm
signals to the monitoring station.
12. What is the main advantage of wireless alarm sensors?
A) Lower sensitivity
B) Harder to install
Contractor Exam Questions And
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A| Instant
Download Pdf
1. What is the primary purpose of a burglar alarm system?
A) Monitor temperature changes
B) Detect unauthorized entry
C) Control lighting
D) Measure humidity
Answer: B
Rationale: Burglar alarm systems are designed to detect unauthorized
entry into a protected area and alert the property owner or monitoring
service.
2. Which type of burglar alarm sensor is activated by breaking of glass?
A) Motion detector
B) Magnetic contact
C) Glass break detector
D) Smoke detector
Answer: C
Rationale: Glass break detectors sense the sound frequency or
vibration of breaking glass and trigger an alarm.
3. In a residential alarm system, what is the most common location for
door contacts?
A) On the floor
B) On the door frame and door edge
C) On the ceiling
D) On the windowsill
, Answer: B
Rationale: Door contacts are typically installed on the door frame and
edge to detect opening.
4. What is the main function of a control panel in a burglar alarm system?
A) Generate sound
B) Power the sensors
C) Process signals from sensors and trigger alarms
D) Provide network access
Answer: C
Rationale: The control panel acts as the central processing unit,
monitoring sensor inputs and activating alarms when necessary.
5. Which type of alarm signaling uses telephone lines to notify a
monitoring station?
A) Radio frequency
B) Cellular
C) PSTN (Public Switched Telephone Network)
D) Internet
Answer: C
Rationale: PSTN signaling uses existing telephone lines to
communicate alarm events to a monitoring station.
6. What is the purpose of a keypad in a burglar alarm system?
A) Sound the siren
B) Arm or disarm the system
C) Detect motion
D) Connect to the internet
Answer: B
Rationale: Keypads allow authorized users to arm or disarm the
system using a security code.
7. Which sensor is most effective for detecting movement inside a
building?
A) Magnetic contact
B) Passive infrared (PIR) sensor
C) Glass break detector
D) Smoke detector
Answer: B
Rationale: PIR sensors detect infrared energy emitted by moving
objects, typically humans, inside a protected area.
, 8. What type of alarm is specifically designed to alert occupants without
notifying a monitoring station?
A) Local alarm
B) Remote alarm
C) Audible alarm
D) Central station alarm
Answer: C
Rationale: Audible alarms produce sound on-site to alert occupants
but do not send signals off-site.
9. A tamper switch in a control panel is used to:
A) Prevent false alarms from pets
B) Detect unauthorized access to the panel
C) Monitor humidity
D) Extend battery life
Answer: B
Rationale: Tamper switches trigger an alarm if the control panel or
enclosure is opened without authorization.
10. Which standard is commonly referenced for the installation of
burglar alarm systems?
A) NEC 500
B) ISO 9001
C) NFPA 731 / UL 681
D) IEC 61000
Answer: C
Rationale: NFPA 731 and UL 681 provide standards and guidelines
for residential and commercial burglar alarm systems.
11. Which type of alarm communication uses a cellular network?
A) PSTN
B) GSM / Cellular
C) Ethernet
D) Coaxial
Answer: B
Rationale: Cellular systems use mobile networks to transmit alarm
signals to the monitoring station.
12. What is the main advantage of wireless alarm sensors?
A) Lower sensitivity
B) Harder to install
