SOUTH CAROLINA (SC) BURGLAR ALARM LICENSE | COMPLETE EXAM 2026/2027 | QUESTIONS AND 100% VERIFIED ANSWERS | PASS GUARANTEE

SOUTH CAROLINA (SC) BURGLAR ALARM LICENSE | COMPLETE
EXAM 2026/2027 | QUESTIONS AND 100% VERIFIED ANSWERS |
PASS GUARANTEE




SC – BURGLAR ALARM LICENSE



1. What is the primary purpose of a burglar alarm system?
A. Heat a building
B. Detect unauthorized entry
C. Control lighting
D. Provide internet access
ANSWER : B
Explanation: Burglar alarm systems are designed to detect unauthorized entry
and notify occupants or a monitoring station.


2. Which device is commonly installed on doors to detect opening?
A. Smoke detector
B. Magnetic contact
C. Motion detector
D. Glass break detector
ANSWER : B
Explanation: Magnetic contacts separate when a door opens, causing the
alarm panel to recognize an entry.


3. A PIR detector detects:

,A. Water leaks
B. Smoke
C. Infrared energy from body heat
D. Carbon monoxide
ANSWER : C
Explanation: Passive Infrared (PIR) detectors sense changes in infrared
radiation caused by moving people.


4. What does the control panel do?
A. Generates electricity
B. Receives and processes alarm signals
C. Amplifies sound
D. Controls HVAC
ANSWER : B
Explanation: The control panel is the brain of the alarm system, supervising all
connected devices.


5. Which power source normally operates an alarm panel?
A. Generator only
B. Utility AC power with battery backup
C. Solar panel only
D. Vehicle battery
ANSWER : B
Explanation: Alarm systems typically use household AC power while
maintaining a rechargeable backup battery.


6. The purpose of a backup battery is to:
A. Increase volume
B. Keep the system operating during power outages
C. Improve Wi-Fi
D. Reduce false alarms

,ANSWER : B
Explanation: Batteries maintain operation when AC power is lost.


7. Which detector is designed to sense broken glass?
A. PIR
B. Glass-break detector
C. Heat detector
D. Relay
ANSWER : B
Explanation: Glass-break detectors analyze the sound frequencies associated
with breaking glass.


8. Normally Closed (NC) alarm contacts are:
A. Open during normal conditions
B. Closed during normal conditions
C. Always energized
D. Wireless only
ANSWER : B
Explanation: NC circuits remain closed until an alarm condition opens the
circuit.


9. End-of-Line (EOL) resistors are primarily used to:
A. Increase voltage
B. Supervise wiring integrity
C. Reduce battery size
D. Improve internet speed
ANSWER : B
Explanation: EOL resistors help detect opens, shorts, and tampering on alarm
circuits.

, 10. A zone on an alarm panel refers to:
A. A battery
B. A supervised circuit of detection devices
C. A transformer
D. A keypad
ANSWER : B
Explanation: Zones allow the control panel to identify where an alarm
originates.


11. Which communication method is most common in modern alarm systems?
A. Telegraph
B. Cellular/IP
C. Fax
D. CB Radio
ANSWER : B
Explanation: Cellular and IP communicators provide reliable signal
transmission.


12. A keypad is primarily used to:
A. Charge batteries
B. Arm and disarm the system
C. Test smoke detectors
D. Connect cameras
ANSWER : B
Explanation: Users operate the alarm system through the keypad.


13. What is a false alarm?
A. A successful burglary
B. An alarm without an actual emergency