Alarm Systems
How Loud Is a Security Alarm Siren? Decibel Levels Explained
Most security alarm sirens typically produce between 100 and 120 decibels (dB) at a distance of one meter. Indoor sirens generally fall in the 100–110 dB range, while outdoor models are often louder, reaching 110–120 dB or more for long-range or ...
Wiring / Connecting 2 Wire and 4 Wire Smoke Detectors to an Alarm System
We are often asked how to connect low voltage smoke detectors to a wired alarm system. First we need to point out that smoke detectors are a life safety product and so it's critical that you read and understand how the connection should work, and ...
EOL End of Line Resistors
Security systems and fire alarm panels use end of line resistors in order to supervise the alarm/fire zone. This means the alarm/fire panel can detect a problem like a short circuit where someone may have tampered with the zone or lets say a nail ...