Douglas Krantz - Technical Writer - Describing How It Works
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Know Why it Works That Way

Fire Alarm Engineers, Installers, Technicans, and Inspectors get Answers from Douglas Krantz's Technician's Corner

A fire pull box is part of a fire alarm system
Do you know the rules and codes that show what a fire alarm system does? The rules and codes showing what the fire alarm system does are important, but to fix the fire alarm system, Basic Electronic Skills are needed. On top of the electronic skills, an understanding of the Life Safety Upgrades to the Electronics is required.

Basic Electrical Skills

Basic Electronic Skills are are knowing about DC and AC electricity. Ohms Law, which shows how wire carries electricity, is part of skillset. Also, understanding the difference between electricity flow and signal or power flow is another part of the skillset.

Life Safety Upgrades to the Electronics

The fire alarm system, in addition to the electronics, has the goals of Supervision (self-testing and letting the building owners immediately know when something's wrong with the system), Redundancy (if one method fails, another method is standing-by to take over), and Survivability (even during a fire or other disaster, the system still works).

Blog and Books

Learn about how a fire alarm system works by reading the blogs and articles on the website. Books are also available for greater in-depth understanding.

How does the Fire Alarm System Work?

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