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Posts Categorized: Fire Alarm Systems
Do Fire Alarm Strobes Have to Be Synchronized?
Synchronized strobes are a code requirement in occupied spaces. Sync modules and panel-side sync output cards make it work — here’s what you need.
Why Does the Fire Alarm Detector Base Matter?
The wrong detector base defeats sounder integration, isolator function, or remote-LED hookup. Match the base to the head and the panel’s SLC type.
When Should You Use a Heat Detector Instead of a Smoke Detector?
Heat detectors suit kitchens, mechanical rooms, garages, and attics where smoke detectors won’t survive. Rate-of-rise vs fixed-temperature explained.
How Often Should Duct Smoke Detectors Be Tested?
Duct smoke detectors should be tested on the NFPA 72 schedule. Watch the sampling tube — wrong length or missing defeats the detector. Sizing guide inside.
The Most Common Fire Alarm Inspection Failures (and How to Beat the Punch List)
Inspection findings cluster in a few predictable places: panel batteries, duct detectors, and missing end-of-line resistors. Here’s how to get ahead of them.
What End-of-Line Resistor Does My Fire Alarm Need?
The correct EOLR value depends on your panel and circuit type. Common values are 47K, 4.7K, 3.9K, and 10K — match what your panel specifies rather than guessing.
How Often Do Fire Alarm Batteries Need to Be Replaced?
Dead or weak standby batteries are the #1 failed-inspection item. NFPA 72 requires capacity testing, most SLA batteries are replaced about every 5 years, and sizing matters.
Why an Obsolete Fire Alarm System Doesn’t Necessarily Need Complete Replacement
When a manufacturer labels a commercial fire alarm system as obsolete, many building owners immediately assume the entire system must be replaced. While there are situations where upgrading to a newer system is the best solution, an obsolete designation does not always mean the system is unsafe, unusable, or beyond repair. Undoubtedly, many commercial buildings… Read more »
The Importance of Quality Batteries in Commercial Fire Alarm Systems
Although we don’t think about them often, batteries play a vital role in keeping businesses of all sizes safe. These small powerhouses that quietly ensure our fire alarms are always ready to sound the alarm when it matters most. So, let’s dive into why quality batteries are a must for your commercial fire alarm system…. Read more »
