A basic system consists of a central control panel to which smoke alarms and heat detectors are connected, together with bells or horns & sprinklers that are activated when the system triggers an alarm. The control panel operates from the electrical system in the building and should contain an emergency battery which can operate the fire alarm part-system for about 24 hours during a power shortage.
The basic requirements for the number and locations of alarms depend mainly on the…Continue
Posted on April 5, 2019 at 6:00am
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