Where is the enclosed and tamper-protected alarm sounding device typically mounted in Mercantile Burglar Alarm Service?

• A. Outside the building
• B. Inside a locked room
• C. On the ceiling above the cash register
• D. On the roof

Answer: (A)

In mercantile burglar alarm setups, the alarm sounding device is placed outside the building in an enclosed, tamper-resistant box to maximize security. Mounting the siren externally ensures that any attempt to tamper with the unit is detected by a tamper switch, since the enclosure is designed to be opened only to trigger a tamper alarm. Weatherproof housing protects the device from rain, dust, and vandalism, keeping it reliable in a retail environment where it may be exposed to the elements. An exterior siren also serves as a strong deterrent, emitting a loud warning that can be heard by neighbors and passersby and can prompt quicker police or security response. Placing the device inside a locked room or on the ceiling would make it easier for an intruder to silence or obstruct, and mounting on the roof can create maintenance challenges and may reduce the immediate audible impact of the alarm.